ATTO Technology iPBridge 1500, iPBridge 1550 Installation And Operation Manual

ATTO Technology, Inc.

iPBridge 1500/1550

Installation and Operation Manual

© 2006 ATTO Technology, Inc. All rights reserved. All brand or product names are trademarks of their
respective holders. No part of this manual may be reproduced in any form or by any means without the express
written permission of ATTO Technology, Inc.

4/2006 Document Control Number: PRMA-0351-000

Contents

1 ATTO iPBridge provides storage options ........................................1

iPBridge 1500/1550 features

1.1 ATTO iPBridge 1500D ..........................................................3

Dimensions
Environment
Power
SCSI port
Ethernet port
LED indicators
Reset switch

1.2 ATTO iPBridge 1500E ..........................................................5

Dimensions
Environment
Power
Reset switch
SCSI port
Ethernet port
Serial port
LED indicators

1.3 ATTO iPBridge 1550D ..........................................................7

Dimensions
Environment
Power
SCSI port
Ethernet port
Reset switch

1.4 ATTO iPBridge 1550E ..........................................................9

Dimensions
Environment
Power
Reset switch
SCSI port
Ethernet port
Serial port
LED indicators

2 Installing the iPBridge .......................................................................11

Unpack the packing box; verify contents
Install the iPBridge
Discover the IP address
Customize your configuration
Install MS iSCSI Initiator for Windows
Install iSCSI Initiator for Mac OS X

2.1 Target management .............................................................13

Target names

Default target node

Map devices automatically
Map devices manually

Multiple target nodes

Automatically configure multiple targets
Manually configure multiple target nodes

2.2 System setup options ..........................................................19

Change mapping
Change the current user name, password
Create a read only password or user name
Performance optimization
Set up a VLAN: Virtual Local Area Network

3 Remote system monitoring ...............................................................21

4 Updating firmware .............................................................................22

Preliminary steps
Using ATTO ExpressNAV
Using FTP over GbE

5 Troubleshooting .................................................................................23

Inside out method
Check the host event log
Check the iPBridge event and trace logs
Visually inspect LEDs
Check for problems on attached devices
Check host versions
Check iPBridge product versions
Component check

Checking SCSI devices
Checking the iPBridge SCSI ports
Checking the serial port
Checking the iPBridge internal configuration
Checking iPBridge Ethernet ports
Checking the LAN/WAN
Checking the iSCSI Host Adapter or NIC
Checking the iSCSI OS driver
Checking the Operating System
Checking the applications

Performance issues

Checking SCSI devices
Checking iPBridge SCSI ports
Checking iPBridge Ethernet ports
Checking the LAN/WAN
Checking Ethernet Host Adapter or NIC
Checking the applications
Checking the host system
Checking the Operating System

Reset to factory defaults

6 ExpressNAV provides web-based interface ....................................29

Optimizing ExpressNAV in Internet Explorer
Opening an ExpressNAV session

6.1 ExpressNAV pages ..............................................................31

Status
Serial Port Configuration
Time & Date Configuration
Ethernet Port Configuration
Remote Management
SCSI Configuration
iSCSI Configuration
Automatic iSCSI Target Management
iSCSI Target Management (Manual)
Bridge Configuration
Firmware Update
Advanced CLI Configuration
Restart
Help

7 Alternative interface options ............................................................33

Use the serial port or header
Use Telnet

7.1 CLI provides ASCII-based interface ...................................35

CLI Error Messages

7.1.1 CLI commands summary .......................................37

7.1.2 General use commands .........................................39

Help
Password
ReadOnlyPassword
ReadOnlyUsername
RestoreConfiguration
SaveConfiguration
Username
VerboseMode

7.1.3 Maintenance commands ........................................41

Date
FirmwareRestart
Password
Reserve
RestoreConfiguration
SCSIPortReset
SCSIPortResetOnStartup
SNTP
SNTPServer
SpeedWrite
SpeedWriteDefault
Time
TimeZone
Username

7.1.4 Diagnostic commands ...........................................43

BridgeModel
BridgeName
ClearEventLog
DumpConfig
DumpEventLog
EventLog
Help
IdentifyBridge
Info
iSCSITargetNameDisplay
IsReserved
Ping
RMON
RouteDisplay
SCSIPortList
SCSITargets
SerialNumber
SNMPDumpMIB
SNMPExtendedTraps
SNMPTrapAddress
SNMPTraps
TailEventLog

7.1.5 SCSI configuration commands .............................45

SCSIInitID
SCSIPortBusSpeed
SCSIPortList
SCSIPortReset
SCSIPortResetOnStartup
SCSIPortSelTimeout
SCSIPortSyncTransfer
SCSIPortTermination
SCSIPortWideTransfer
SCSITargetLUNs
SCSITargets
SpeedWrite
SpeedWriteDefault
VirtualDriveResponse

7.1.6 Serial port configuration commands ....................47

SerialPortBaudRate
SerialPortEcho

7.1.7 Ethernet commands ...............................................49

DPMTU
EthernetSpeed
Exit
IPAddress
IPDHCP
IPGateway
IPSubnetMask
iSCSIWANIPAddress
Password
Ping
ReadOnlyPassword
ReadOnlyUsername
RMON
Username
VLAN

7.1.8 iSCSI commands ....................................................51

iSCSIAlias
iSCSIChap
iSCSIChapSecret
iSCSIIntiators
iSCSIPortNumber
iSCSITarget
iSCSITargetNameDisplay
iSCSIWANIPAddress
iSNSLoginControl
iSNSServer

7.1.9 Target management commands ...........................53

AccessControl
AccessEntry
AutoMap
AutoMapOnBoot
AutoMapOnBootDelay
DeleteAllMaps
iSCSITarget
iSCSITargetNameDisplay
Route
RouteDisplay
SCSIInitID
SCSITargets
VLAN

Appendix A ATTO iPBridge, FibreBridge family .................................i

iPBridge
FibreBridge

Appendix B Cabling ...............................................................................iii

SCSI cabling

Cable types
Examples
Connecting SCSI devices to SCSI ports

Ethernet connections

Appendix C Glossary .............................................................................v

Appendix D Safety standards and compliances .................................vi

Appendix E ATTO accessories .............................................................viii

Appendix F Contact ATTO Technology, Inc. .......................................ix

1 ATTO iPBridge provides storage options

The ATTO bridge family of products provides GbE-to-SCSI or Fibre Channel-to-SCSI bridges available
as embeddable boards, stand alone enclosures that can be fitted for rackmount integration, or desktop
units, depending on the model and your needs.

The ATTO iPBridge and ATTO FibreBridge
family of products share common configuration
options and functions to provide the most
versatile connectivity options available. Each
product has been engineered to address specific
customer needs. New capabilities are integrated
into products throughout the family as much as
possible, requiring only an upgrade of firmware to
incorporate them into your SAN (Storage Area
Network) or NAS (Network Attached Storage).

The ATTO iPBridge 1500/1550 is a cost-effective
way of expanding your existing storage capacity
without sacrificing performance. The ATTO
iPBridge 1500/1550 is ideally suited to the SME
or for corporate IT departments seeking to expand
storage requirements with minimal disruption
while making existing SCSI equipment accessible
over an Ethernet network to all network users.

To make sure you have the most up-to-date
version of the firmware, visit the ATTO
Technology website,

www.attotech.com

.

iPBridge 1500/1550 features

• One independent Gigabit Ethernet port and one
independent Ultra 160 SCSI port

• ATTO ExpressNAV
configuration, upgrades, monitoring and
management

• Available as a desktop or embedded form factor

• Inband LAN-based monitoring and management

• Command Line Interface (CLI) for configuration
and management

• RS-232 serial port with RJ11 connector

• Diagnostic capabilities

• Support for manual and auto LUN mapping

• intelligent Bridging Architecture
performance

• Near wire speed sustained throughput

• Virtual Device Architecture for features such as
hardware RAID and Virtual Tape

• Ideal solution for connecting high performance
tape and disk devices to an IP Storage Area
Network (SAN)

TM

, integrated web server for

TM

for optimized

1

ATTO Technology Inc. iPBridge Installation and Operation Manual

Possible storage

configurations

ATTO Celerity FC

storage adapter

4-Gb FC Switch

Ethernet
Fibre Channel
SCSI

GbE network

ATTO iPBridge 2700

GbE Switch

Fibre Channel Hub

ATTO

iPBridge

1550D

ATTO FibreBridge 2400

FC model SCSI model

SCSI Tape Library

ATTO Diamond Storage Array

ATTO FibreBridge

SCSI Tape Library

embedded
ATTO iPBridge
1500/1550/2500

ATTO ExpressPCI

SCSI storage adapter

SCSI Tape Library

2

Overview

1.1 ATTO iPBridge 1500D

The ATTO iPBridge 1500D is a 1-Gigabit Ethernet to SCSI embeddable bridge for midrange
performance, cost effective solutions in SMB/SME environments.

The iPBridge 1500D includes a single Ethernet
port which may be used for either data transfer or
configuration, a serial management port and a
SCSI port.

Dimensions

Width:

Depth:

Height:

SCSI ID LED

7.5 inches wide

5.0 inches long

1.76 inches

electrical codes. Improper grounding may result
in an electrical shock or damage to the unit.

Input voltage: 12.0V DC +

10%

SCSI port

The SCSI port on the iPBridge 1500D connects
storage devices into the Storage Area Network
(SAN). The port is an Ultra 3 LVD/SE SCSI bus
with 68-pin “P” interface: 160 MB/sec. maximum

throughput, downward compatible with all forms
of single-ended SCSI.

The iPBridge supports SCSI devices including
hard disk drives, tape drives, RAID controllers,
DVD and CD libraries.

Ethernet port

The 10/100/1000 GbE RJ45 Ethernet port uses
the Intel 8254x family gigabit Ethernet chipset to
support Telnet-based data transfer and
management through an ASCII-based command
line interface or ATTO ExpressNAV, a browser­based interface.

Environment

Operating Temperature:

0-70° C external

Ambient air should not exceed 40°C.

Humidity:

Recommended airflow:

10-90% non-condensing

11 cubic feet per minute.

Power

Plug in the 12 volt, 20 Watt wall mount adapter to
the back of the unit, then into an appropriate
power source (100-240 VAC input, 50/60 Hz).
The power source must be connected to a
protective earth ground and comply with local

3

ATTO Technology Inc. iPBridge Installation and Operation Manual

GbE cables must be at least CAT-5E certified for

1000 Mb/sec. use.

LED indicators

Activity:

A green LED on the top of the iPBridge
blinks to show the unit is ready and to identify the
iPBridge when the CLI command

IdentifyBridge

is enabled. It goes dark when

there is SCSI activity.

SCSI Activity:

the SCSI bus has an LED which is
lit when the iPBridge is ready and goes dark when
there is SCSI activity.

Reset switch

A manual reset switch is mounted on the back of
the iPBridge to restore factory defaults.

Exhibit 1.1-1 iPBridge 1500D back panel

Ethernet

speed LED

Ethernet

activity LED

air vents

SCSI port

activity LED

power

connector

Power

LED

4

Installation: ATTO iPBridge 1500D

1.2 ATTO iPBridge 1500E

The ATTO iPBridge 1500E is a 1-Gigabit Ethernet to SCSI embeddable bridge for midrange
performance, cost effective solutions in SMB/SME environments.

The iPBridge 1500E includes a single Ethernet
port which may be used for either data transfer or
configuration, a serial management port and a
SCSI port.

Dimensions

Length:
Width:
Height of the tallest component:

6.4 inches

4.4 inches
.536 inches

Environment

Operating Temperature:

5-40° C external

Ambient air should not exceed 40°C.

Humidity:
Recommended airflow:

10-90% non-condensing

11 cubic feet per minute

Power

The iPBridge1500E board may be powered from
a 4-pin connector.

Input voltage:

12V DC ±10% derived from a 4-

pin connection.

Power draw:

12V, 1.7 amps

4- pin power connector pin outs

Pin Description

1 12 volt input

2Ground

3Ground

4 No connect

The iPBridge supports SCSI devices including
hard disk drives, tape drives RAID controllers,
DVD, MO and CD libraries.

Ethernet port

The 10/100/1000 GbE RJ45 Ethernet port uses the
Intel 8254x family gigabit Ethernet chipset to
support Telnet-based data transfer and
management through a an ASCII-based command
line interface or ATTO ExpressNAV, a browser­based interface.
GbE cables must be at least CAT-5E certified for
1000 Mb/sec. use.

Serial port

The RS-232 serial port provides support for
remote monitoring and management through a
command line interface. It is set at the factory at
115,200 bps.

Pin outs of the RJ11

connector, part

number CBL-0911-001

Pin Description

2TXD

3 Ground

4RXD

5 Ground

Reset switch

A manual reset switch is mounted on the board
near the serial port.

SCSI port

The SCSI port on the iPBridge 1500E connects
storage devices into the Storage Area Network
(SAN). The port is an Ultra 3 LVD/SE SCSI bus
with 68-pin “P” interface: 160 MB/sec. maximum
throughput, downward compatible with all forms
of single-ended SCSI.

5

ATTO Technology Inc. iPBridge Installation and Operation Manual

LED indicators

Activity:

A green LED in the middle of the
iPBridge blinks to show the unit is ready and to
identify the iPBridge when the CLI command

IdentifyBridge

is enabled. It goes dark when

there is SCSI activity.

SCSI Activity:

the SCSI bus has an LED which is
lit when the iPBridge is ready and goes dark when
there is SCSI activity.

Exhibit 1.2-1 iPBridge 1500E board layout

Mounting hole

Fault LED

Mounting hole

Reset

SCSI Activity
LED

pin 1

Serial port

Mounting hole

Ethernet port

SCSI port

Exhibit 1.2-2 iPBridge 1500E board profile and dimensions

SCSI Activity

LED

SCSI Activity LED

Mounting hole

4-pin
power
connector

Mounting hole

.3 4 3

.3 4 3

.3 4 3

.3 3 1

.3 3 1

.3 3 1

.3 3 1

.5 3 6

.5 3 6

.5 3 6

Ethernet Port SCSI Port Power

Ethernet Port SCSI Port Power

Long Board Edge

Long Board Edge

Ethernet PortRJ-11 P ort-11 P ort

Ethernet PortRJ-11 P ort-11 P ort

Ethernet PortRJ-11 P ort-11 P ortRJ-11 P ort-11 P ort

Short Board Edge

Short Board Edge

.2 7 6

.2 7 6

.2 7 6

.2 7 6

Short Board Edge

.3 1 3

.3 1 3

.3 1 3

6

Installation: ATTO iPBridge 1500E

1.3 ATTO iPBridge 1550D

The ATTO iPBridge 1550D is a 1-Gigabit Ethernet to Ultra 160 SCSI embeddable bridge for high
performance, cost effective solutions in SMB/SME environments.

Dimensions

Width:
Depth:
Height:

7.5 inches wide

5.0 inches long

1.76 inches

Environment

Operating Temperature:
Ambient air
Humidity:

should not exceed 40°C.

10-90% non-condensing

0-70° C external

Power

The iPBridge 1550D uses a 12 volt power brick
connected to an appropriate power source. The
power source must be connected to a protective
earth ground and comply with local electrical
codes. Improper grounding may result in an
electrical shock or damage to the unit.

Input voltage:

12v@1.5A

100-240 VAC, 0.5A@100v, 47-63 Hz

SCSI port

The SCSI port on the iPBridge 1550D connects
storage devices into the Storage Area Network
(SAN). The port is an Ultra 160 LVD/SE SCSI
bus with 68-pin “P” interface; downward
compatible with all forms of low voltage
differential and single-ended SCSI.
The iPBridge supports SCSI devices including
hard disk drives, tape drives, RAID controllers,
DVD and CD libraries.

Ethernet port

The 100/1000 GbE RJ45 Ethernet port uses the
Intel 8254x family gigabit Ethernet chipset to
support iSCSI data transfer and inbound
management through an ASCII-based command
line interface or ATTO ExpressNAV, a browser­based interface.
GbE cables must be at least CAT-5E certified for
1000 Mb/sec. use.

LED indicators

Ready/SCSI Port Activity:

a green LED on the
top and on the back of the iPBridge lights solid
green to indicate Ready and blinks to show SCSI
activity and to identify the unit when commanded
by software.

Ethernet port:

two LEDs are integrated into the
Ethernet connector. One lights solid green to
denote a complete link and blinks green to show
activity. A bicolor green/yellow LED lights
yellow to indicate 1 Gb/sec. transmission speed
and lights green to show 100 Mb/sec. speed.

Reset switch

A manual reset switch is mounted on the back of
the iPBridge to restore factory defaults.

7

ATTO Technology Inc. iPBridge Installation and Operation Manual

Exhibit 1.3-1 iPBridge 1550D back panel

Ethernet port

Activity

LED

Speed

LED

SCSI port

air vents

Ready/SCSI

port activity

LED

Serial

port

power connector

Power

LED

Reset switch

8

Installation: ATTO iPBridge 1550D

1.4 ATTO iPBridge 1550E

The iPBridge 1550E includes a single Ethernet port which may be used for either data transfer or
configuration, a serial management port and a SCSI port.

Dimensions

Length:

Width:

Height of the tallest component:

6.4 inches

4.4 inches
.536 inches

Environment

Operating Temperature:

5-40° C external

Ambient air should not exceed 40°C.

Humidity:

Recommended airflow:

10-90% non-condensing

11 cubic feet per minute

Power

The iP1550E board may be powered from a 4-pin
connector.

Input voltage:

12V DC ±10% derived from a 4-

pin connection.

Power draw:

12V, 1.7 amps

4- pin power connector pin outs

Pin Description

1 12 volt input

2Ground

3Ground

4 No connect

Reset switch

A manual reset switch is mounted on the board
near the serial port.

The iPBridge supports SCSI devices including
hard disk drives, tape drives, RAID controllers,
DVD, MO and CD libraries.

Ethernet port

The 10/100/1000 GbE RJ45 Ethernet port uses the
Intel 8254x family gigabit Ethernet chipset to
support Telnet-based data transfer and
management through a an ASCII-based command
line interface or ATTO ExpressNAV, a browser­based interface.
GbE cables must be at least CAT-5E certified for
1000 Mb/sec. use.

Serial port

The RS-232 serial port provides support for
remote monitoring and management through a
command line interface. It is set at the factory at
115,200 bps.

Pin outs of the RJ11

connector, part

number CBL-0911-001

Pin Description

2TXD

3 Ground

4RXD

5 Ground

SCSI port

The SCSI port on the iPBridge 1550E connects
storage devices into the Storage Area Network
(SAN). The port is an Ultra 3 LVD/SE SCSI bus
with 68-pin “P” interface: 160 MB/sec. maximum
throughput, downward compatible with all forms
of single-ended SCSI.

9

ATTO Technology Inc. iPBridge Installation and Operation Manual

LED indicators

Activity:

A green LED in the middle of the
iPBridge blinks to show the unit is ready and to
identify the iPBridge when the CLI command

IdentifyBridge

is enabled. It goes dark when

there is SCSI activity.

SCSI Activity:

the SCSI bus has an LED which is
lit when the iPBridge is ready and goes dark when
there is SCSI activity.

Exhibit 1.4-1 iPBridge 1550E board layout

Mounting hole

Mounting hole

Reset

SCSI Activity
LED

pin 1

Serial port

Mounting hole

Ethernet port

Fault LED

SCSI Activity

LED

Mounting hole

4-pin
power
connector

SCSI port

Exhibit 1.4-2 iPBridge 1550E board profile and dimensions

Ethernet Port SCSI Port Power

Ethernet Port SCSI Port Power

.5 3 6

.5 3 6

.5 3 6

.3 4 3

.3 4 3

.3 4 3

.3 3 1

.3 3 1

.3 3 1

.3 3 1

.2 7 6

.2 7 6

.2 7 6

.2 7 6

Long Board Edge

Long Board Edge

Short Board Edge

Short Board Edge

Short Board Edge

SCSI Activity LED

Ethernet P ortRJ-11 Port-11 Port

Ethernet P ortRJ-11 Port-11 Port

Ethernet P ortRJ-11 Port-11 PortRJ-11 Port-11 Port

Mounting hole

.3 1 3

.3 1 3

.3 1 3

10

2 Installing the iPBridge

If you have not already completed the instructions on the Quick Start page packed with your iPBridge,
use the following instructions to install the iPBridge.

Unpack the packing box; verify contents

• The iPBridge
Note the serial number of your iPBridge,
located on the bottom of the unit, for later use:
____________________________________

• Power cord

• Power brick

• CD which includes the Installation and Operation

Manual, ATTO QuickNAV and ATTO iPBridge
drivers.

Install the iPBridge

1 Place the iPBridge 1500/1550D model on a

stable flat surface; place the iPBridge
1500/1550E in the target device using the
mounting holes as seen in iPBridge 1500E

board layout on page 6 or iPBridge 1550E
board layout on page 10.

2 Connect SCSI devices to the iPBridge using the

proper SCSI cables. For details refer to Cabling
on page iii of the Appendix.

3 Power up the SCSI devices. Proper termination

is required.

4 Connect the iPBridge Ethernet port to your

network using at least Cat5e cable. For details
refer to Cabling

Note

You must power up attached devices before
adding power to the iPBridge.

5 Connect the AC power cord from the iPBridge

to the proper AC source outlet, connect the AC
power cord to the power brick and connect the
brick to the iPBridge.

6 Wait up to two minutes for the iPBridge Ready

LED to light indicating the bridge has completed
its power-on self test sequence.

on page iii of the Appendix.

Discover the IP address

Ensure the following are in place:

• The computer you are using to install and the
iPBridge must be on the same subnet.

• The switch(es) must allow UDP broadcast
messages to be passed through.

• No router is in place between the computer
and the iPBridge.

• If you are managing your iSCSI system
across a WAN and your system uses a
firewall, be sure that the following ports are
open and available:

If you are using the TCP protocol

• telnet (port 23)

• http (port 80)

• ftp (ports 20 and 21)

• iSCSI (port 3260)

• iSNS (port 3705)

If you are using the UDP protocol

• ntp (port 123)

Note

The iPBridge is initially configured with DHCP
enabled. It is best if you have access to a
DHCP server.

1 From the CD supplied with your iPBridge, run

the QuickNav Utility QuickNAV-windows.exe
for Windows
X.

2 Locate the iPBridge serial number.

3 Highlight the serial number.

4 Click Next.

If a DHCP server is available on your network,

an address is assigned automatically by the
server. Note the assigned address:

_____________________________________

If you do not have a DHCP server, get an

IPaddress and subnet mask from your network
administrator, type it into the area provided, and
select Next.

If you do not wish to continue with optional

configurations as described in the following
chapters, click Finish.

®

or QuickNAV-Mac for Mac® OS

Customize your configuration

Devices are mapped automatically when power is
applied to the iPBridge 1500/1550. Default
settings and the automatic mapping are
appropriate for most systems.

11

ATTO Technology Inc. iPBridge Installation and Operation Manual

• If you wish to view information about the unit or
make any changes, use the ExpressNAV
interface by clicking Launch Browser. Refer to

ExpressNAV provides web-based interface

page 29 and ExpressNAV pages

on page 31.

on

Install MS iSCSI Initiator for Windows

®

1 Download the latest version of Microsoft

Software Initiator from

www.microsoft.com/downloads. Searching

on iSCSI Initiator usually helps to locate it.

2 Launch the Initiator installation program and

follow the instructions.

3 Find the Microsoft iSCSI Initiator icon on your

desktop and launch the program.

4 Click on the Discovery tab.

5 Click on the Add button under the target portal

heading.

6 Type in the iPBridge 1500/1550 IP address

previously-recorded in Discover the IP address
on page 11.

iSCSI

7 Click on OK

8 Click the Targets tab.

9 Click on Log on button.

10 Select Automatically restore

11 Click OK to complete logon.

12 If the Found New Hardware Wizard appears,

follow the instructions and install the iPBridge
driver from the CD that came with your
iPBridge.

13 Click OK to close the iSCSI Initiator utility.

You should now have storage you can manage
through Windows Disk Management.

Install iSCSI Initiator for Mac OS X

Contact your ATTO sales representative or go to

www.attotech.com

to purchase the ATTO
Technology Xtend SAN, iSCSI Initiator for Mac
OS X.

12

Installation

2.1 Target management

SCSI devices are mapped using the designations for the iSCSI LUN. If you must change the default
automatic mapping, the easiest way to map devices is to use the Automatic Target Management feature
in the ATTO ExpressNAV interface.

CAUTIONCAUTION

Changing the device map can affect the
host’s view of devices and your application
configuration.

To map SCSI devices, you must connect the devices to
the iPBridge SCSI port. To access mapped SCSI
devices over Ethernet, you must have a host computer
connected to the iPBridge Ethernet data port.

If you decide to change the automatic mapping set up
when you powered up the iPBridge 1500/1550, you
have two options to map devices after you disable
automatic mapping:

1 The default is set up as a single target node in

which a host or initiator views the iPBridge as a
single iSCSI node with all available devices
shown as LUNs on a single iSCSI target.

2 You may set up multiple target nodes which

allow greater flexibility to grant or deny access
between initiators and devices as needed.

If you divide the default single target node into
multiple target nodes, you must set up access to each
node separately.

Targe t name s

Each iSCSI target node accessed through the Ethernet
port on an iPBridge is identified by a unique world­wide iSCSI-qualified name. This format references the
iPBridge serial number and target node name:

iqn.1995-12.com.attotech:ipbridge:
serialnumber <targetname>

Note

Sample mapping pages are illustrated in
Exhibit 2.1-2 and Exhibit 2.1-3. For
explanations of the CLI commands which
control mapping, refer to

commands

on page 53.

Target management

Default target node

The default target is set as a single target with Access
Control (ACL) disabled and CHAP authentication
disabled. The default target node cannot be deleted.

Use the ExpressNAV interface to map devices
automatically or manually. Refer to

ExpressNAV session

on page 29 for information
about ExpressNAV. Exhibit 2.1-3 shows the target
management page.

Map devices automatically

1 If you have not already, open an ExpressNAV

session. For instructions, refer to

ExpressNAV session on page 29

2 Click on the Auto Target Mgt menu item on the

left side of the screen.

3 Click on the Map all devices to default target

button.

4 When the action is complete, the iSCSI Target

Management page appears. From there you

Opening an

Opening an

may make adjustments to the mapping or begin
a discovery session.

If you are prompted to restart the iPBridge, go
to the Firmware Restart page and restart the
iPBridge.

Map devices manually

1 If you have not already, open an ExpressNAV

session. For instructions, refer to

Opening an

ExpressNAV session on page 29

2 Click on the Manual Target Mgmt menu item

on the left side of the screen.

3 Click on the Device Maps link of the default

target.

4 Select the devices from the box on the right

hand side of the screen and drag to the
appropriate LUN on the left.

5 Click Submit.

If you are prompted to restart the iPBridge, go
to the Firmware Restart page and restart the
iPBridge.

13

ATTO Technology Inc. iPBridge Installation and Operation Manual

Multiple target nodes

Multiple targets allow you to create a more
configurable mapping scheme which can segregate
storage into different iSCSI nodes within the iPBridge,
with each iSCSI target having its own set of access
criteria.

For example, if you have two servers and a library with
four tapes and a media changer, the default node
would provide both servers access to all tapes and the
media changer (default target mode).

If you configured multiple target nodes, you are able to
map some devices to one server and other devices to
the other server, requiring separate usernames and
passwords for access using various methods including
Access Control Lists, iSNS and CHAP authentication.
Consult with your network administrator and refer to
Exhibit 2.1-2,

Glossary

iSCSI commands

on page 51 and the

on page v of the Appendix.

Note

If you map actual storage to more than one
iSCSI target and a server has authorization for
both targets, the server could show duplicate
storage without any warning.

Automatically configure multiple targets

1 If you have not already, open an ExpressNAV

session. For instructions, refer to

Opening an

ExpressNAV session on page 29

2 From the ExpressNAV main menu, click on the

Automatic Target Management menu item on
the left side of the screen.

3 Click on the Map each device to its own

target button.
The iPBridge maps itself as a device at LUN 0.

A target name suffix is attached to the iqn of
each SCSI device such as

vendorid-devicename-xxx

• vendorid is the SCSI device vendor ID

• devicename is the SCSI device’s inquiry
device name.

• xxx is a device index

When the action is complete, the iSCSI Target
Management page appears.
If you are prompted to restart the iPBridge, go
to the Firmware Restart page and restart the
iPBridge.

Manually configure multiple target nodes

1 If you have not already, open an ExpressNAV

session. For instructions, refer to

Opening an

ExpressNAV session on page 29

2 Click on the Automatic Target Management

menu item on the left side of the screen.

3 In the iSCSI Target Management page, type

[name] in the Add an iSCSI target box
The name is a suffix appended to the standard

IPBridge iqn name. The suffix name can be up
to 24 characters.

4 Click on the device map link of your target.
5 After the next mapping page opens, drag the

boxes representing SCSI devices to the LUNs

you want.
6 Click Submit.
7 Repeat from Step 3

configure.
8 If you are prompted to restart the iPBridge, go

to the Firmware Restart page and restart the

iPBridge.

for each node you want to

14

Installation: mapping

Exhibit 2.1-1 Target node configurations.

Physical connections

Initiator/Host to Network

Network to iPBridge Ethernet port

iPBridge SCSI port to SCSI device

Server 1

Ethernet
Network

Server 2

Bridge SN 000123

IP Address: 10.0.3.0

(1 IP Address for each Ethernet port)

Mapping: default vs. multiple target nodes

SCSI device configuration

Default Target node

SCSI device

SCSI device configuration

Multiple Target nodes

Lun 0

Bridge SN 000123

Lun 1

Tape 0

Lun 2

Tape 1

Lun 3

Tape 2

Lun 4

Tape 3

Lun 5

Media Chgr

Node 0

iqn. 1995 - 12. com. attotech :

ipbridge : sn- ipb 1500000123

Lun 0

Bridge SN 000123

Lun 1

Lun 2

Lun 3

Lun 0

Bridge SN 000123

Lun 1

Lun 2

:

Lun 3

Lun 0

Bridge SN 000123

Tape 0

Tape 1

Media Chgr

Media Chgr

Tape 2

Tape 3

Node 0

iqn. 1995-12. com. attotech:
ipbridge: sn- ipb 1500000123-dev0

Node 1

iqn. 1995-12. com. attotech:
ipbridge:sn-ipb1500000123-dev1

Default Node
iqn1993-12.com.attotech
ipbridgesn-ipb1500000123

15

ATTO Technology Inc. iPBridge Installation and Operation Manual

Exhibit 2.1-2 Target management choices in ATTO ExpressNAV.

v

16

Installation: mapping

Exhibit 2.1-3 Automatic iSCSI
Target Management page and the
results of clicking either Map all
devices to the default target or
Map each device to its own target.

Unmapped SCSI devices

17

ATTO Technology Inc. iPBridge Installation and Operation Manual

18

Installation: mapping

2.2 System setup options

Default values are appropriate for most configurations, but may be modified for your needs using ATTO
ExpressNAV. This chapter summarizes some of the specialized configurations you may want to use.

Default values are appropriate for most
configurations, but may be modified for your
needs using ATTO ExpressNAV. Refer to

ExpressNAV pages

on page 31 for a description
of the various parameters available for
configuration

Note

If you have completed configuration
operations at any time and have clicked

Submit
Restart

the settings. If you have not completed
configuration changes, go on to the next
command.

on the page you are viewing, go to the

page and restart the iPBridge to save

It is best practice to change the user name and
password.

Change mapping

If you wish to change the mapping of devices
which took place automatically when you
powered up the iPBridge 1500/1550, use the
ExpressNAV interface to map devices. Refer to

Target management

on page 13.

Change the current user name, password

1 If you have not already, open an ExpressNAV

session. For instructions, refer to

Opening an

ExpressNAV session on page 29

2 Click Bridge.

5 The user name and password for all Telnet,

FTP and ATTO ExpressNAV sessions are
changed.

Create a read only password or user name

You may set a read only password or a read only
user name. Refer to

General use commands

on

page 39.

1 If you have not already, open an ExpressNAV

session. For instructions, refer to

ExpressNAV session on page 29

2 Click Bridge.

The Bridge Configuration page is displayed.
The user name that you are currently logged in
with is displayed in the Username text box.

3 Enter the Admin password in the first line of the

boxed area.

4 Enter the desired information into the Admin

Username, New Admin Password, Confirm
New Admin Password or New Read Only
Password and Confirm New Read Only
Password text boxes.

The user name is case insensitive and
password is case sensitive.

5 Click Submit.

6 The user name or password for all Telnet, FTP

and ATTO ExpressNAV sessions are changed.

Opening an

.

Performance optimization

To provide the optimal performance, use the
ExpressNAV interface to change these settings:

The Bridge Configuration page is displayed.
The user name that you are currently logged in
with is displayed in the Username text box.

3 Enter appropriate information into the

Username, Current Password, Old
Password, New Password, and Confirm
Password text boxes.

Note

The user name is case insensitive and
password is case sensitive.

4 Click Submit.

19

ATTO Technology Inc. iPBridge Installation and Operation Manual

MTU:

SpeedWrite:

9014

enabled

Other settings may already be set to the best
possible mode. Refer to

Troubleshooting

on page

23 or these options:

Optimize ExpressNAV in Internet Explorer

1 Go to the browser toolbar and select Tools
2Select Internet Options
3 Select the Security tab

4 Select the Custom Level button.

5 On the menu presented, go to the Microsoft

VM, Java permissions and make sure
Disable Java is not selected.

6 Go to the Miscellaneous topic and select

METAREFRESH

Set up a VLAN: Virtual Local Area Network

A Virtual LAN (VLAN) is a group of devices on
the same physical LAN which can communicate
with each other as if they were all on different
physical LANs. This creates a network that is
independent of physical location, allows grouping
of users into logical workgroups, increases
efficient use of resources, and adds security
options by allowing some users into the LAN and
keeping other users out.

You may create up to eight Virtual LAN IDs for
each Ethernet data port. Each VLAN ID is
assigned a VLAN name of up to 64 characters. If
no VLAN ID exists for a data port, VLAN is
disabled for that port.

1 If you have not already, open an ExpressNAV

session. For instructions, refer to

Opening an

ExpressNAV session on page 29

2 Click on the Ethernet Port Configuration

page.

3 Click on the data port you wish to configure.

4 Add a VLAN ID number and name in the

appropriate boxes.

5 Press Submit.

After rebooting, Virtual LAN takes effect.

For details on the commands used to set up a
VLAN refer to

Ethernet commands

on page 49.

20

Installation: configuration

3 Remote system monitoring

You may set up the iPBridge to send notifications when certain events occur.

Use the

Remote Management

page of the
ExpressNAV interface to send information about
the operation of the iPBridge from the bridge.

CLI commands may be used to set up remote
monitoring. Refer to

Diagnostic commands

on

page 43.

You may designate the person receiving
notification of conditions and the level of severity
which prompt notification. For example a
recipient with a critical severity level only
receives critical messages and not warning
messages.

Remote system monitoring is also available using
Simple Network Management Protocol (SNMP).
An agent resides in the iPBridge which takes
information from the iPBridge and translates it
into a form compatible with SNMP. If certain
conditions arise, the agent sends notifications
(traps) to a client.

The severity level can be
or

none

.

• All means warnings, critical events and

informational messages are sent.

• Critical means only critical event notifications

are sent.

all, warning, critical

• Warning means only warnings and critical event
notifications are sent.

• None means no notification is sent.

Refer to

Diagnostic commands

on page 43 for
detailed information on the commands which
regulate SNMP on the iPBridge.

Contact your network administrator for the MIB
software and appropriate MIB file for your
iPBridge.

Use the

Remote Management

page of the
ExpressNAV interface to enable traps or extended
traps, to designate the trap recipient IP addresses,
and to indicate the severity level.

1 If you have not already, open an ExpressNAV

session. For instructions, refer to

Opening an

ExpressNAV session on page 29.

2 Click on the Remote Management page.

3 Click on the enable button in the Traps or

Extended Traps line.

4 Enter the Trap Recipient IP addresses.

5 From the drop-down box next to each trap

address, select the level of severity for which
you want each address to be notified.

6 Press Submit.

After rebooting, the iPBridge sends notifications

as you set them up.

21

ATTO Technology Inc. iPBridge Installation and Operation Manual

4 Updating firmware

Several processors control the flow of data in the ATTO iPBridge. The firmware to control these
processors can easily be upgraded in the field using the

PUT

command from an FTP connection.

The iPBridge firmware is distributed as a
compressed .zip file and can be obtained from the
ATTO Technology, Inc. web site or by contacting
ATTO Technical Support at

www.attotech.com

.

Preliminary steps

1 The iPBridge firmware is distributed as a

compressed .zip file and can be obtained from
the ATTO Technology, Inc. web site at

www.attotech.com or from the CD included

with your iPBridge.

2 Uncompress the .zip file into an image file

(.ima). Note the filename.

CAUTIONCAUTION

Before beginning this procedure, ensure
that all I/O to the iPBridge has stopped.

During this procedure, do not interrupt the
flash process.

Do not power down the host or the
iPBridge until the display returns the
Ready prompt.

Interrupting the flash process will make
your iPBridge inoperable and you must
return it to ATTO Technology for repair.

Note

The recommended management tool for the
iPBridge is ATTO ExpressNAV.

Using ATTO ExpressNAV

1 If you have not already, open an ExpressNAV

session. For instructions, refer to

ExpressNAV session on page 29

2 Click on the Firmware page.

3 Click Browse and locate the firmware you

unzipped in the preliminary steps.

4 Click Upload and wait until a success message

is displayed.

5 Click the Restart link.

6 Click on Restart.

Opening an

.

Using FTP over GbE

1 Uncompress the .zip file obtained from the

ATTO Technology Inc. website into an image
file (.ima). Note the filename.

2 Establish an FTP link to the bridge that is to be

flashed.

3Use the PUT command to download the

firmware. For example

c:\bridge_firmware\ibrg0370.ima

4 Once the download is complete, cycle power on

the iPBridge to activate the new firmware.

Update firmware

5 Troubleshooting

If it is clear that a particular component system is at fault in a problem situation, go directly to that
component. If it is not clear, the best approach is to troubleshoot using the inside-out method.

You may check on the status of your iPBridge using
the ExpressNAV interface. Refer to

pages

on page 23 to see which pages may contain the
information you need. You may also look for
information by using the diagnostic CLI commands,
enumerated in
the Advanced page of the ExpressNAV interface or by

Diagnostic commands

ExpressNAV

on page 43, in

using the CLI directly (refer to

based interface

To start and use the ExpressNAV interface, including
how to access the version information, refer to

ExpressNAV provides web-based interface

29.

on page 35).

CLI provides ASCII-

on page

Inside out method

To troubleshoot using the inside out method, begin with the device(s) connected to the iPBridge first, then work
your way out.

• SCSI devices

• iPBridge SCSI ports

• iPBridge internal configuration

• iPBridge Ethernet/IP ports

• LAN/WAN

• Ethernet host adapter or NIC in host

• iSCSI OS driver

• OS

• Application

Check the host event log

Check the event log on the host. Look for the most
recent entries and determine what could be causing a

problem, then go to that event and continue
troubleshooting.

Check the iPBridge event and trace logs

Check the iPBridge event log through the CLI. Refer

Diagnostic commands

to
most recent entries and determine what could be

on page 43. Look for the

causing a problem. Then go to that event and continue
troubleshooting.

Visually inspect LEDs

Light Emitting Diodes (LEDs) are located the back of
the iPBridge.

Each SCSI bus has its own LED

the iPBridge is ready and blinks steadily when
there is SCSI activity.

Check for problems on attached devices

Check the following in order to find problems on
attached devices:

• LEDs

23

ATTO Technology Inc. iPBridge Installation and Operation Manual

• Display panels

• Firmware levels

• Operability

which lights when

Check host versions

Check the following to find problems on attached
hosts:

• Operating system version

• Service pack version

• Host adapter version

• Host adapter firmware version

• Host adapter device driver version

• iSCSI driver version

If an update is required, perform the update. For an
updated list of supported iPBridge host platforms and
host adapters, visit

Check iPBridge product versions

For a current list of required updates, visit

www.attotech.com

1 If you have not already, open an ExpressNAV

session. For instructions, refer to Opening an

ExpressNAV session on page 29

.

2 If you need to update, download the update

Component check

Use this procedure to check system components. For
more information on the commands used in this
procedure, refer to

interface

on page 35.

CLI provides ASCII-based

Checking SCSI devices

1 Check SCSI devices to make sure they are all

set to different SCSI IDs.

By default, the iPBridge SCSI ports use SCSI
ID 7 so drives should use IDs 0 through 6 and 8
through 15.

2 Check the SCSI device power. Make sure the

devices are powering up.

3 Watch the drive lights before, during, and after

startup. Many drives have term power lights
that should be on before startup and turn off
when system boots.

4 Verify the external terminator is the correct type

and does not have damaged pins.

5 Check cable integrity. Check the cables for

solid connections. Make sure they are screwed
down. Inspect cable ends for bent pins.

6 If termination is correct, and the problem

persists, try drives one at a time with different
cables, adding drives and cables until the
problem occurs. This helps pinpoint the drive or
cable causing the problem.

7 Check with the manufacturer of SCSI device(s)

for further troubleshooting methods.

If SCSI devices appear to be working, continue to
the iPBridge SCSI port section.

Checking the iPBridge SCSI ports

1 Verify the iPBridge has its termination set

2 Either through the ATTO ExpressNAV or CLI,

3 Check the internal cabling of the SCSI device.

4 Some older SCSI devices improperly negotiate

5 If all devices appear, invoke the ScsiTargets

If all devices appear and remain, move to the
iPBridge internal configuration section.

www.attotech.com.

Go to the Status page and check the version
number.

from

www.attotech.com.

Refer to Updating firmware

properly. By default, termination is

perform a SCSI bus scan on each SCSI port.

Refer to Opening an ExpressNAV session
page 29

If no devices appear, re-check SCSI cables and
termination. If garbage information appears,
the problem is most likely a bad SCSI cable or
termination.

LVD SCSI cable lengths are limited to 12.5
meters. Longer cable lengths can cause
problems. Internal cabling is also considered
when calculating total cable length. For details,
refer to Cabling

with the iPBridge SCSI port. If older devices are
not showing up, contact your service
representative.

command several times on each SCSI port to
verify that the devices can be seen. If devices
disappear then appear again, the problem is
most likely a SCSI cable. For information on the
ScsiTargets command, refer to iSCSI

commands on page 51.

or

iSCSI commands on page 51.

on page iii.

on page 25.

enabled

on

.

24

Troubleshooting

When changing any setting on the iPBridge the
configuration must be saved by using either the
saveConfiguration CLI command or through the
ATTO ExpressNAV interface.

Checking the serial port

1 Verify you have the correct settings and that

your terminal is configured to:

• Baud rate: 115200

• Data bits: 8

• Stop bits: 1

• Parity: off

• Flow control: None

2 Verify that your serial cable is less then two

meters in length.

Checking the iPBridge internal
configuration

Verify that the SCSI devices are mapped properly.
Check in the ATTO ExpressNAV interface or use the

routedisplay iSCSI command to show mappings. If

devices do not appear, power down the iPBridge and
power back on. Refer to
13 and

Target management commands

Target management

on page 53.

on page

When changing any setting on the iPBridge, the
configuration must be saved by using either the

saveConfiguration

CLI command or through the

ATTO ExpressNAV interface.

Checking iPBridge Ethernet ports

1 Check Ethernet cable integrity. Check the

cables for solid connections. Cat5 cable can
cause connection issues with Gigabit Ethernet.
Cat6 cable is the best cabling for the iPBridge.

2 Verify the IP address, subnet mask, and

gateway are properly set on each data port on
the iPBridge for your network environment.
Refer to Installing the iPBridge

3 Verify that the Ethernet speed is set to auto:

invoke the get EthernetSpeed all command,
check the Ethernet page of the ATTO
ExpressNAV interface, or check the LED link
lights to determine if the Ethernet speed is
correct.

4 Determine if the iPBridge is set to get its IP

information from a DHCP server. If so, verify
that the DHCP server has available IP
addresses. Refer to Installing the iPBridge
page 11.

5 Verify that each used Ethernet port on the

iPBridge can be pinged from the desired host.
Refer to Ping

on page 49.

on page 11.

on

If the host cannot ping the iPBridge ports and
the iPBridge ports are properly configured,
continue to the Local Area Network/Wide Area
Network section, Checking the LAN/WAN
page 25.

Verify that each port on the iPBridge can ping
each desired host. Refer to Ping
the iPBridge cannot ping the host, continue to

Checking the LAN/WAN

6 If using DHCP, verify that the DHCP server is

assigning the correct IP information to the host.

7 Some older switches/hosts cannot auto

negotiate between the iPBridge and the
switch/host at the desired speed. You may
have to force the host/switch or the iPBridge to
the desired speed.

8 Verify that the host is logging into the iPBridge

correctly by viewing the Connections page
and determining if there a “session open”
status.

9 Verify that you are using the correct log in

procedure for your initiator. For example: When
connecting using the Adaptec initiator, the log
on screen requests the iPBridge iqn (iSCSI
qualified name). If left blank, Adaptec cannot
log in. Enter “iSCSI” into this field for auto iqn
discovery.

on page 25.

on page 49. If

on

When changing any setting on the iPBridge the
configuration must be saved by using either the

saveConfiguration

CLI command or through the

ATTO ExpressNAV interface.

Checking the LAN/WAN

1 Verify that the switch/switches are segmented

properly so that hosts and the iPBridge have
access to each other.

2 If there are routers involved in the setup, make

sure the IP addresses and/or MAC addresses
of the iPBridge are allowed through the router.

3 Verify that the switch can see the iPBridge on

the port(s) in question. Refer to your switch
vendor’s guide for more information.

Checking the iSCSI Host Adapter or NIC

iSCSI host adapters appear as a type of Storage
Controller to the host OS, not as a standard NIC. These
adapters usually have hardware acceleration to offload
the TCP processing from the host. Configuration of
these adapters is usually done through the vendor’s
own utility and not through the OS itself.

25

ATTO Technology Inc. iPBridge Installation and Operation Manual

NICs come in two types: accelerated and un­accelerated. Accelerated NICs use some hardware to
offload some of the TCP processing from the host. Un­accelerated NICs make the OS do all TCP processing.

To check the iSCSI host adapter or NIC

1 Check cable integrity. Check the cables for

solid connections. Make sure they are plugged
in properly. Inspect cable ends for broken clips
and improper wiring.

2 Verify that the iSCSI host adapter or NIC is

configured with the correct IP information.

3 If using DHCP, verify that the DHCP server is

assigning the correct IP information to the host.

4 Verify that the hosts are running the

recommended driver and firmware level for the
iSCSI host adapter or NIC vendor.

5 Verify that the hosts and the iPBridge are using

the same port number to communicate via
iSCSI. The default port number for the iPBridge
is 3260. Refer to iSCSI commands

6 Make sure the host adapter/NIC is configured

to log into the iPBridge. Some iSCSI host
adapters do not re-login upon reboot or
unplug/replug event without marking a check
box.

7 Some older switches cannot autonegotiate

between the host and the switch properly. You
may have to force the host or switch to the
desired speed.

on page 51.

For a NIC using an OS iSCSI driver, continue to the
iSCSI OS driver section.

Checking the iSCSI OS driver

This section is for hosts using a driver that allows the
OS to talk to iSCSI targets via a NIC, not an iSCSI
storage adapter.

1 A PC using an iSCSI storage adapter and an

iSCSI OS driver might not work correctly on the
same machine. Check with the vendors to
make sure they are compatible.

2 Verify that the PC has the latest iSCSI driver as

well as the required service packs and patches.

Check with the iSCSI OS driver vendor for more
information.

3 Verify that the iSCSI OS driver has started.

Look under Device Manager for Windows or
lsmod for Linux.

4 Verify that the iSCSI OS is still looking for the

iPBridge at the right IP address.

5 If using DHCP, verify that the DHCP server is

assigning the correct IP information to the host.
Refer to Ethernet Port Configuration

23.

6 Verify that the NIC is configured with the correct

IP information.

7 Verify that the hosts and the iPBridge are using

the same port number to communicate via
iSCSI. The default port number for the iPBridge
is 3260. Refer to iSCSI commands

8 Check cable integrity. Check the cables for

solid connections. Make sure they are plugged
in properly. Inspect cable ends for broken clips
and improper wiring.

on page

on page 51.

Checking the Operating System

1 Verify that the OS has the required service

packs or patches installed. If not, obtain the
proper service packs and patches and install
them.

2 Some iSCSI host adapters and iSCSI OS

drivers do not always automatically find new
targets when plugged in or when forced to
rescan. Reboot the hosts.

3 Check if the vendor has a new driver. If so,

install it.

Checking the applications

1 Verify that the application is running the latest

device drivers for the devices connected to
iPBridge. If not, get the latest device drivers and
install them.

2 Verify with the application vendor if the iSCSI

technology is supported on the version of the
application being used.

26

Troubleshooting

Performance issues

If the host is not getting the performance it should,
check the following items.

Checking SCSI devices

1 Verify that the devices are running at their

highest possible SCSI speed. Refer to iSCSI

commands on page 51.

Mixing SE and LVD devices on the same SCSI
bus forces the speed of the bus to SE, thus
slowing faster LVD devices. The iPBridge
cannot accelerate an already slow device.
Refer to Connecting SCSI devices to SCSI

ports on page iii of the Appendix.

2 Verify that the proper terminator is being used.

An SE terminator forces the SCSI bus to SE
speeds.

Checking iPBridge SCSI ports

1 Verify that the SCSI port configuration is set to

the highest speed using the ATTO ExpressNAV
interface or CLI. Refer to Opening an

ExpressNAV session on page 29 and SCSI
configuration commands on page 45.

The iPBridge SCSI port speed, wide
negotiation, and sync negotiation settings all
affect the speed of the port. By default, these
settings are set for optimal speed.

2 Verify that the SCSI devices are equally

distributed between the SCSI ports. Refer to

Opening an ExpressNAV session

or

Alternative interface options on page 33.

Optimal performance is seen when only two
high-speed SCSI devices are connected to
each SCSI port.

on page 29

Checking iPBridge Ethernet ports

1 Verify that the data ports are set to auto

negotiate or forced to 1000 Mbs. Refer to

Opening an ExpressNAV session

and Ethernet Port Configuration

2 Verify that the MTU size is set to optimal setting

for the LAN/WAN environment.

Refer to Opening an ExpressNAV session
page 29 and Ethernet Port Configuration
page 23. The current optimized frame size for
the iPBridge is 9k. Smaller frame sizes can
cause a decrease in performance.

on page 29

on page 23.

on

on

Checking the LAN/WAN

1 Verify that the MTU size is set to optimal setting

for the LAN/WAN environment. Refer to

Ethernet Port Configuration

9k frame size is the current optimized frame
size for the iPBridge. Smaller frame sizes
causes a decrease in performance. Many
switch and router vendors do not support the
larger frame size of 9k or 16k.

2 Verify that each associated port in the IP SAN

is configured for 1000Mbs.

IP SAN traffic should be segmented so that it
does not interfere with the main LAN network
traffic.For better performance, the IP SAN
should be on its own set of hardware.

3 Verify that packets are not being dropped along

the LAN/WAN. Many utilities track packet
activity and switch statistics.

on page 23.

Checking Ethernet Host Adapter or NIC

Ethernet Storage Adapters generally outperform
accelerated NICs and un-accelerated NICs by
offloading most of the processing from the host.

An accelerated NIC provides some offloading, but still
requires a host OS iSCSI driver, making the host spend
more CPU cycles.

An un-accelerated NIC does not offload anything so
the CPU must do much of the processing.

To check the Ethernet host adapter or NIC

1 Verify that the adapter or NIC is sent to auto-

negotiate or forced to 1000 Mbs.

2 Set the MTU size to the largest MTU size

supported in the LAN/WAN. Refer to Opening

an ExpressNAV session on page 29
Ethernet Port Configuration on page 23.

9k frame size is the current optimized frame
size for the iPBridge. Smaller frame sizes can
cause a decrease in performance. Many switch
and router vendors do not support the larger
frame size of 9k or 16k. Set the maximum
transfer size to the most efficient size for the
intended target(s). For many tape drives, 64k is
the optimal setting.

Checking the applications

Some applications can be configured to change
transfer sizes. Configure the application for the

and

27

ATTO Technology Inc. iPBridge Installation and Operation Manual

optimal size for the particular SCSI device(s)
connected to the iPBridge.

Checking the host system

The faster the host, the faster your transfer times are.
The work flow goes only as fast as the slowest
connection in the host system, so transferring data
from an IDE drive, 100Mb connection, a DLT 4000, a
high speed RAID volume across the country, or other
applications, slows the system no matter how fast
everything else is in the system.

1 Verify that the iSCSI storage adapter or NIC is

connected to the fastest PCI bus connector
supported by the adapter or NIC.

If the adapter supports PCI-X, place the
adapter in a PCI-X slot. If one is not available,
the host might not achieve the optimal
performance capable from the adapter.

Reset to factory defaults

Even placing a PCI-X adapter into a 64 bit 66
MHz slot loses performance. Some adapters
adjust clock speed depending on the speed of
the PCI slot into which they are plugged.

2 The host OS disk and swap disk/partition/file

should be on a high speed drive such as a SCSI
drive to minimize the time needed to access the
host’s virtual memory.

The more memory a system has, the less time
it spends accessing virtual memory (hard drive
space).

Checking the Operating System

If possible, eliminate swap space and virtual drives
which require large amounts of system memory.
However, the OS might not allow the elimination of
swap space. An OS set to run many kinds of different
servers spends much of its CPU cycle on other
operations, thus slowing down performance.

A manual reset switch is mounted on the board.

1 Insert a tool in the hole in the back panel to

activate the switch.

2 Wait until the Activity LED on the top of the unit

becomes green, then cycle power.

The unit is reset to factory defaults.

28

Troubleshooting

6 ExpressNAV provides web-based interface

Each page in the ATTO ExpressNAV interface provides information and/or configuration parameters
based on a specific topic.

ATTO ExpressNAV is the recommended
management tool for the iPBridge. It is a web­based graphical user interface (GUI) that allows
you to manage the iPBridge by clicking choices
and commands in traditional GUI fashion or by
entering CLI commands directly, as you would in
a terminal emulation session.

To enter ExpressNAV session, you must find the
iPBridge on the network. Refer to

IP address

on page 11.

Discover the

The minimum requirement for browsers is
Internet Explorer 5.5 or Netscape Navigator 6.2.

Access from any web browser that supports the
latest standards for XHTML 1.0 and CSS1. To
make ExpressNAV as compatible as possible
with as many browsers as possible, all pages are
written in pure XHTML 1.0 and CSS1. It is
compatible with the latest versions of Internet
Explorer, Netscape, Mozilla (including K­Meleon, Camino, Mozilla Firefox, Epiphany and
Galeon), and KHTML (including Konqueror and
Safari).

To take full advantage of the ExpressNAV
interface, enable JavaScriptTM through your
browser.

Optimizing ExpressNAV in Internet
Explorer

1 Go to the browser toolbar and select Tools
2Select Internet Options
3 Select the Security tab
4 Select the Custom Level button.
5 On the menu presented, go to the Microsoft

VM, Java permissions and make sure
Disable Java is not selected.

6 Go to the Miscellaneous topic and select

METAREFRESH.

Opening an ExpressNAV session

1 Point your browser at the IP address of the

iPBridge. Refer to Discover the IP address
page 11.

2The ExpressNAV home page is displayed.

Click Enter.

3 Enter the user name and password values.

Note

The default values are

password

case insensitive and
sensitive. It is best practice to change
usernames and passwords. Refer to

the current user name, password

19.

The Status page appears.

: “Password”. The

username

username

password

is case

on

: “root” and

is

Change

on page

Each page can be reached through the menu at the
side of each page. An image on each page’s
header shows each port in the product faceplate.
Each port is clickable and takes you to the
appropriate page.

If you have completed configuration operations at
any time and have clicked
you are viewing, go to the

Submit
Restart

on the page
page and

restart the iPBridge to save the settings.

If you have not completed configuration changes,
go on to the next command.

Refer to

ExpressNAV pages

on page 31 for

details on each page.

29

ATTO Technology Inc. iPBridge Installation and Operation Manual

Exhibit 6.0-1 A typical ExpressNAV page.

Product

faceplate

graphic provides
links to specified

port

Sidebar:

select the

item you

wish to view

Ethernet
port icon

SCSI port icon

Serial port icon

enabled option

option unavailable

for selection

because of previous

choice

Parameter name

Red print provides

link to help text

Submit button

same as typing all CLI commands

and saveconfigruation norestart

30

User interface

6.1 ExpressNAV pages

Each page in the ATTO ExpressNAV interface provides information and/or configuration parameters
based on a specific topic. Each page can be reached through the menu at the side of each page. An image
on each page’s header shows each port in the product faceplate. Each port is clickable and takes you to
the appropriate page.

Status

Displays iPBridge information

• Vendor ID, product ID, firmware revision number
and serial number

• Ethernet port IP address and status

• SCSI port status

Serial Port Configuration

Configures the baud rate and echo parameters. Refer to

Serial port configuration commands

details on each option.

on page 47 for

Time & Date Configuration

Manually changes the iPBridge clock or accesses
a remote time server. Configurable options are

• enable or disable Simple Network Time Protocol

• Time Server

• Time Zone

If you set the time and date manually, the time and
date will revert to the default if the unit is powered
offer. Refer to

Maintenance commands

on page

41 for details each parameter.

Ethernet Port Configuration

Configures each port independently for the following
parameters and controls VLAN:

• enable or disable DHCP

• IP address, gateway, subnet mask and Ethernet
speed

• MTU

• iSCSI port number

• VLAN ID and name

Remote Management

Remote system monitoring is available using
Simple Network Management Protocol (SNMP).
Refer to
for more information. Refer to

commands

Remote system monitoring

on page 21

Diagnostic

on page 43 for detailed information.

SCSI Configuration

Controls the SCSI port for the following parameters:

31

ATTO Technology Inc. iPBridge Installation and Operation Manual

• Bus speed

• Sync transfer

• Wide transfer

• Initiator ID

• Bus reset on startup

• Bus termination

• Maximum LUNs for each SCSI Target

Attached devices are listed for each bus and you can
reset each port from this screen.

Refer to

SCSI configuration commands

on page 45.

iSCSI Configuration

Controls the following iSCSI parameters:

• iSCSI Alias

• enable or disable iSNSLoginControl

• iSNS Server

• enable or disable SpeedWrite

Refer to
each parameter.

iSCSI commands

on page 51 for details on

Automatic iSCSI Target Management

Choose to map devices automatically to the
default target or map each device to its own target.
By default, access control and CHAP are
disabled.

After you choose the target management method,

iSCSI Target Management

the

page opens.

From the pages following you can configure
access control, device maps, iSCSI CHAP and
discovery sessions.

Refer to

Target management commands

Target management

on page 13, and

on page 53 for

details.

iSCSI Target Management (Manual)

Allows you to set up and configure iSCSI targets
individually for access control, device maps and
iSCSI CHAP depending on the choices you make.

Refer to

management commands

Target management

on page 53 for details.

on page 13, and

Target

Bridge Configuration

Defines a name for the bridge, sets an administrator
user name and password, a read only user name and
password, restores defaults and controls the

Bridge

Refer to

feature.

Maintenance commands

on page 41 for

Identify

details on each parameter.

Firmware Update

You may update firmware using ExpressNAV. Refer
to

Updating firmware

on page 22.

Advanced CLI Configuration

Allows you to input any CLI command available
through the iPBridge. See Exhibit 6.1-1 for an
example.

1 Type in the CLI command

2 Click the Submit button.

A text field beneath the box lists the most recent
commands issued to the iPBridge through this
page.

If you enter an incorrect parameter, the CLI
help text is displayed, showing the parameters
available.

3 If your entry was correct, type

saveconfiguration

4 Click the Submit button. Your changes are

implemented.

1 Click the Restart button.

A box tells you to wait until the counter gets to
0 and then the browser refreshes.

2 If the browser does not refresh after the counter

gets to 0, click the link to refresh it manually.

Note

Restarting the firmware may take a few
minutes.

Help

Gives help information about the command line
interface commands and troubleshooting tips via links
to pages with help text for each category of options
and one link to the Troubleshooting Tips and FAQs
page on the ATTO website,
from the CD included with your iPBridge.

Contact information for ATTO technical support is on
the right. Help is always available by pressing any
word shown in red on the screen.

www.attotech.com

, or

Restart

Implements a firmware restart of the bridge and makes
permanent any changes you have made since the last
firmware restart.

Exhibit 6.1-1 CLI commands entered on the Advanced CLI page.

32

User infterface

7 Alternative interface options

Alternative methods to the ATTO ExpressNAV interface may be used to manage the iPBridge. ATTO
ExpressNAV is the recommended interface.

Use the serial port or header

1 Connect a cable from iPBridge RS-232 serial

port or header to the serial (COM) port on a
personal computer.

2 Turn on the iPBridge.

3 Start a terminal emulation program on the

personal computer, and use it to connect to the
iPBridge. For example, if you are using
HyperTerminal on a computer running a
Windows operating system,

a. Type iPBridge in the New Connection

dialog box.

b. Click OK.
c. In the Connect To dialog box, for the

Connect using field select the COM

port number to which your serial cable
is connected.

d. Click OK.
e. In the COM Properties dialog box

select the following values:

• Bits per second: 115200

• Data Bits: 8

• Parity: None

• Stop Bits: 1

• Flow Control: None

• Terminal type: ASCII

• Echo: on

f. Click OK.

4 After you connect to the iPBridge, start-up

messages are displayed. These messages are
only displayed at start-up. The last line in the
start-up message sequence is Ready. See the
example in Exhibit 7.0-1 on page 34.

Note

In serial port sessions, there is no prompt on
the line below the word
commands in the blank line where the cursor
is resting. No user name or password is
required for serial port access.

5 To verify that you have connected successfully,

type help after the Ready prompt and press

Enter.

Ready

. Begin typing

• If a list of all available commands does not
appear on the screen, review the steps in this
section, check the cable, or contact service
personnel until the problem is solved.

If you have difficulty using the serial port, verify
that you have the correct settings and that your
serial cable is less then two meters in length.

Use Telnet

Up to three Telnet sessions can be conducted
simultaneously. A serial port session can use the
CLI while Telnet sessions are open. Whichever
session issues the first “set” CLI command can
continue to issue set commands, while the other
sessions can only issue “get” commands or
display information. Once a connection is
established, refer to

interface

1 Connect to the iPBridge from a computer on the

2 Start a Telnet session.

3 At the telnet prompt, issue the open command

telnet > open x.x.x.x

4 If you have to specify a port type, enter the port

port type: telnet
terminal type: vt100

5 Enter the default values for the username,

on page 35.

same Ethernet network.

Note

There is more than one way to connect to the
iPBridge using a telnet program.Your telnet
program may operate differently than in the
following instructions.

where x.x.x.x is the IP address of the iPBridge.

type “telnet” and the terminal type “vt100”.

“root”, and the password, “Password”, if you
did not set new values in System setup options
on page 19.

CLI provides ASCII-based

33

ATTO Technology Inc. iPBridge Installation and Operation Manual

Exhibit 7.0-1 Start up messages.

ATTO iPBridge 1550
(c) 2002 - 2006 ATTO Technology, Incorporated.

Firmware version 3.70 release date Apr 7 2006, 09:12:06 Build 002T
Base version 9.00

126 Megabytes of RAM Installed.

1 GbE Data Port(s).
1 Ultra160 SCSI Interface Port(s).

World Wide Name = 20 00 00 10 86 20 02 A3
Serial Number = "IP1550L10001"
User-defined name = "iPBridge"

For help, type HELP.
Active Configuration = ATTO
Apr 7 2006 09:12:06 001A Initialization Complete
SCSI Interface 1 PCI Config Test Passed
SCSI Interface 1 Initialization Passed

Initializing Port dp0...................................................

GBE hardware Init done.

Power-On Self-Test (POST) Completion Status: GOOD

Device discovery and mapping in progress...

Ready.

34

Alternative user interfaces

7.1 CLI provides ASCII-based interface

The command line interface (CLI) provides access to the ATTO iPBridge Services through a set of ASCII
commands. CLI commands may be entered while in CLI mode.

iPBridge Services provide configuration and
monitoring for the iPBridge. CLI commands may
be entered while in a Telnet session or on the
ExpressNAV interface

Advanced CLI

page
using the Ethernet port or while in a Telnet or
standard emulation program using the serial port.

• CLI commands are context sensitive and

generally follow a standard format

[Get | Set] Command [Parameter 1 |
Parameter 2]

followed by the return or enter key

• CLI commands are case insensitive: you may

type all upper or all lower case or a mixture.
Upper and lower case in this manual and the
help screen are for clarification only.

• Commands generally have three types of

operation: get, set and immediate.

• The get form returns the value of a parameter or

setting and is an informational command.

Responses to get commands are specified in

the Results field for each command, followed by
Ready.

• The set form is an action that changes the value
of a parameter or configuration setting. It may
require a SaveConfiguration command and a
restart of the system before it is implemented.
The restart can be accomplished as part of the
SaveConfiguration command or by using a
separate FirmwareRestart command. A
number of set commands may be issued before
the SaveConfiguration command.

Responses to set commands are either an error

message or Ready. *. The asterisk indicates
you must use a SaveConfiguration command
to finalize the set command.
SaveConfiguration asks if you want to restart
the system or not.

• Set commands which do not require a

SaveConfiguration command, defined as
Immediate commands, are immediately

executed.

Responses to Immediate commands are either

an error message or data results followed by
Ready.

Exhibit 7.1-1 Symbols, typefaces and abbreviations used to indicate functions and elements of the
command line interface used in this manual.

Command conventions

Symbol Indicates Symbol Indicates

[ ] Required entry Boldface words must be typed as they appear

< > Optional entry Italicized words Arguments which must be replaced by whatever they

represent

| pick one of Dp Data port

… Ellipses, repetition of preceding item sb SCSI bus number

\n end of line sl SCSI LUN ID (0 <= sl <= 7)

- a range (6 – 9 = 6, 7, 8, 9) st SCSI target ID (0 <= st <= 15)

35

ATTO Technology Inc. iPBridge Installation and Operation Manual

CLI Error Messages

The following error messages may be returned by the Command line Interface:

ERROR. Invalid Command. Type 'Help' for command list.
ERROR. Wrong/Missing Parameters
Usage: <usage string>
ERROR. Command Not Processed.

Exhibit 7.1.1-1 If you enter a parameter for a CLI command incorrectly, the CLI help file displays with
an error message.

Incorrect entry

Error message
including

Correct entry
Response

Help listing

36

CLI

7.1.1 CLI commands summary

A summary of the Command Line Interface commands, their defaults, an example of how they might be
used, and where you can find the specifics of the command. Commands which have no default values
associated with them have a blank entry in that column of the table.

Command Defaults Example Page

AccessControl disabled set accesscontrol default enabled 53
AccessEntry set accessentry discovery all 53
AutoMap automap 53
AutoMapOnBoot enabled automaponboot disabled 53
AutoMapOnBootDelay 0 automaponbootdelay 60 53
BridgeModel get bridgemodel 43
BridgeName iPBridge set bridgename Omega6 43
ClearEventLog cleareventlog 43
Date set date 03/25/1951 41
DeleteAllMaps deleteallmaps 53
DPMTU 1514 set dpmtu dp0 9014 49
DumpConfig dumpconfig 43
DumpEventLog dumpeventlog 43
EthernetSpeed auto set ethernetspeed dp0 100 49
EventLog enabled set eventlog disabled 43
Exit exit 49
FirmwareRestart firmwarerestart 41
Help help exit 39, 43
IdentifyBridge disabled set identifyBridge enabled 43
Info info 43
IPAddress .10.0.0.1 get ipaddress dp0 49
IPDHCP enabled set ipdhcp dp0 disabled 49
IPGateway 0.0.0.0 set ipgateway dp0 1 200.10.22.3 49
IPSubnetMask 255.255.0.0 get ipsubnetmask dp0 49
ISCSIAlias “ “ set iscsialias diamond 51
iSCSIChap disabled set iscsichap enabled 51

iSCSIChapSecret “..... “ set iscsichapsecret in Data1 barbara556d12345 51

iSCSIInitators iscsiinitators 51
iSCSIPortNumber 3260 get iscsiportnumber 51
iSCSITarget iscsitarget alpha1 51, 53
iSCSITargetNameDisplay iscsitargetnamedisplay 43
iSCSIWANIPAddress 0.0.0.0 set iscsiwanipaddress dp0 172.21.22.1 52
iSNSLoginControl disabled set isnslogincontrol enabled 52
iSNSServer 0.0.0.0 get isnsserver 52
IsReserved isreserved 43
Password Password set password 41, 49
Ping ping 192.42.155.155 49
ReadOnlyPassword Password get readonlypassword 50
ReadOnlyUsername user get readonlyusername 50

37

ATTO Technology Inc. iPBridge Installation and Operation Manual

Command Defaults Example Page

Reserve reserve disabled 41
RestoreConfiguration restoreconfiguration default 39, 41
RMON

buckets request: 50
interval: 1800
status: invalid

get RMON ethernetHistory 50

Route route iscsi 2 scsi 1 1 1 53
RouteDisplay routedisplay iscsi 54
SaveConfiguration saveconfiguration restart 39
SCSIInitID 0x07 set scsiinitid 1 1 45
SCSIPortBusSpeed Ultra 160 set scsiportbusspeed 1 fast 45
SCSIPortList scsiportlist 44, 45
SCSIPortReset scsiportreset 1 41, 45
SCSIPortResetOnStartup enabled set scsiportresetonstartup 1 disabled 45
SCSIPortSelTimeout 256ms get scsiportseltimeout dp0 45
SCSIPortSyncTransfer enabled set scsiportsynctransfer 1 disabled 45
SCSIPortTermination enabled set scsiporttermination 1 disabled 45
SCSIPortWideTransfer enabled get scsiportwidetransfer 1 45
SCSITargetLUNs 8 set sscitargetluns 1 64 45
SCSITargets scsitargets 1 44, 45
SerialNumber get serialnumber 43
SerialPortBaudRate 115200 set serialportbaudrate 19200 47
SerialPortEcho enabled get seriallportecho 47
SNMPDumpMIB snmpdumpmib 44
SNMPExtendedTraps disabled set snmpextendedtraps enabled 44
SNMPTrapAddress

index iPaddress: 0.0.0.0
level: none

set snmptrapaddress 6 192.42.155.155 all 44

SNMPTraps disabled set snmptraps enabled 44

SNTP enabled get sntp

SNTPServer 192.43.244.18 set sntpserver 129.6.15.28

41

41

SpeedWrite get speedwrite scsi all 45
SpeedWriteDefault disabled set speedwritedefault enabled 45
TailEventLog taileventlog 44

Time set time 03:32:30

TimeZone EST set timezone pst

42

42

Username root set username Barbara 42, 50
VerboseMode enabled set verbosemode disabled 39
VirtualDriveResponse disabled set virtualdriveresponse enabled 44
VLAN set VLAN dp0 Alpha1 all 50

38

CLI: command summary

7.1.2 General use commands

These CLI commands are used in a variety of situations

Help

Lists available commands. If command name is specified,
displays detailed command-specific information.

Help [command name]

Password

Specifies a password for all sessions: Telnet, FTP and
ExpressNAV web-based interface. You are prompted for
the current password, to enter the new password, and to
confirm the new password. Passwords are case sensitive,
0-32 characters with no spaces.An empty password can
be configured by entering the Password confirmation
prompts with no parameters. The command

RestoreConfiguration default

sets the password to its

default value.

Default: Password
set Password
Requires a SaveConfiguration command

ReadOnlyPassword

Specifies a read only password for all sessions: Telnet,
FTP and ExpressNAV web-based interface. You are
prompted for the current password, to enter the new
password, and to confirm the new password. Passwords
are case sensitive, 0-32 characters with no spaces. An
empty password can be configured by entering the
Password confirmation prompts with no parameters. The
command

RestoreConfiguration default

sets the

password to its default value.

Requires a SaveConfiguration command

RestoreConfiguration

Restores configuration to either the default configuration
or the configuration last saved into non-volatile memory.
The saved option undoes any changes made since the last
save.

RestoreConfiguration [Default | Saved]

SaveConfiguration

Many commands require a
command indicated by the return

When you invoke

SaveConfiguration

SaveConfiguration

Ready. *.

, the current
configuration is permanently saved in the iPBridge and
the new configuration becomes the active configuration.

If a firmware restart is required to make the requested
change permanent, you see a prompt asking you to
confirm the restart. You can override this request by
indicating the override value on the command line.

You may make several changes through commands and

SaveConfiguration

before implementing the restart,
but once you have restarted the iPBridge, all the
command changes created before the restart and save are
implemented. If you select the restart option, the iPBridge
performs its complete start up cycle.

Restart

SaveConfiguration < Restart | NoRestart >

or

no Restart

parameter is optional

Default: Password
set ReadOnlyPassword
Requires a SaveConfiguration command

ReadOnlyUsername

Specifies a read only user name for all Telnet, FTP and
ExpressNAV web server sessions.
insensitive, 1-32 characters with no spaces.

Default: user
set ReadOnlyUsername [username]

39

ATTO Technology Inc. iPBridge Installation and Operation Manual

Username

is case

Username

Specifies a user name for all Telnet, FTP and
ExpressNAV web server sessions.

Username

is case
insensitive, 1-32 characters with no spaces. You must be
using the Admin password to change

Default: root
set Username [username]
Requires entering a password
Requires a SaveConfiguration command
get Username

Username

.

VerboseMode

Specifies the detail of feedback for the command line
interface. Disabling this option removes parameter
names from action commands and removes descriptions

from information commands. Choices are enabled or
disabled

Default: enabled (returns have parameter information)
set VerboseMode [enabled | disabled]
get VerboseMode

40

CLI commands

7.1.3 Maintenance commands

This chapter gives more information about commands which may be used to get information or perform
functions which are used in a variety of situations with the ATTO iPBridge through the ExpressNAV
interface, the serial or Ethernet ports. Refer to

System setup options

on page 19.

Date

Sets the date for the iPBridge if SNTP has been disabled
or is not available.

set Date [MM] / [DD] / [YYYY]
Requires a SaveConfiguration command
get Date

FirmwareRestart

Causes the iPBridge to reboot, then re-initialize its
firmware. Use the forced option to override any CLI
reservation held by other sessions.

FirmwareRestart <forced>

Password

RestoreConfiguration default sets the password to the
default value. Passwords are case sensitive, 0-32
characters with no spaces. When the password is all 0s,
Telnet and ftp do not validate the password and MD5
authentication are disabled.

Default: Password
set Password
Requires a SaveConfiguration command

Reserve

Reservation of the iPBridge is implicit: once the
configuration image is changed by any user of services,
the iPBridge becomes RESERVED. Executing a

SaveConfiguration

or

RestoreConfiguration

RELEASES the iPBridge so that other services users may
access it. When iPBridge services interface is
RESERVED, set commands from other users are
unavailable.

At least one interface must always have access to the
iPBridge. Refer to

Reserve

IsReserved

on page 43.

RestoreConfiguration

Restores configuration to either the default configuration
or the configuration last saved into non-volatile memory.
The saved option undoes any changes made since the last
save.

RestoreConfiguration [Default | Saved]

SCSIPortReset

Resets the specified SCSI bus.

SCSIPortReset [sb]

SCSIPortResetOnStartup

Specifies whether the SCSI port is reset on power-up or
not.

Default: enabled
set SCSIPortResetOnStartup [sb [enabled | disabled] ]
Requires a SaveConfiguration command
get SCSIPortResetOnStartup [sb]

SNTP

Controls the SNTP (Simple Network Time Protocol)
settings for the iPBridge. When enabled, the iPBridge
will try to contact a specified SNTP server at reset and
every 12 hours after to initialize/synchronize the time.

Default: Enabled
set SNTP [enabled|disabled]
Requires a SaveConfiguration command
get SNTP

SNTPServer

Controls the IP address of the SNTP time server that the
iPBridge will contact to initialize/synchronize the time.

If the iPBridge is unable to contact the specified SNTP
server within 30 seconds, the iPBridge will try to contact
the first auxiliary SNTP time server. If the first auxiliary
SNTP time server is not available, the iPBridge will try to
contact the second auxiliary SNTP time server. If the
second auxiliary SNTP time server is not available, the
iPBridge will continue to approximate the time based on
the most recent SNTP time server, physical real time clock
or manual initialization/synchronization.

Auxiliary time servers

129.6.15.28 (

132.163.4.101 (
Default: 192.43.244.18 (
set SNTPServer [xxx.xxx.xxx.xxx]
Requires a SaveConfiguration command
get SNTPServer

www.time-a.nist.gov

www.time-a-timefreq.bidrdoc.gov

www.time-a.nist.gov

)

)

)

41

ATTO Technology Inc. iPBridge Installation and Operation Manual

SpeedWrite

When enabled, improves the performance of SCSI WRITE
commands to SCSI devices attached to the iPBridge.
Specify SCSI bus (sb), target (st), LUN (sl) of a mapped
SCSI device or (all) for each currently mapped device.

set SpeedWrite SCSI [sb st sl | all] [enabled|disabled]
get SpeedWrite SCSI [sb st sl | all]

SpeedWriteDefault

When enabled, SpeedWrite performance enhancement is
set as the default for any subsequent SCSI devices
mapped manually or via an AutoMap operation. If
disabled, the iPBridge does not enable SpeedWrite
performance enhancement to newly-mapped SCSI
devices.

Default: disabled
set SpeedWriteDefault [enabled | disabled]
get SpeedWriteDefault

Time

Controls the time for the iPBridge if SNTP has been
disabled or is not available.

TimeZone

Controls the time zone for the iPBridge if SNTP has been
disabled or is not available. Choices are EST, CST,
MST,

.

PST or numerical offset from GMT in the form of
+/-:HH:MM.When SNTP is enabled, the iPBridge
applies the time zone setting to the time retrieved from a
specified SNTP time server to determine local time.

Default: EST
set TimeZone [ [EST | CST | MST | PST] [+ / - HH :MM ] ]
Requires a SaveConfiguration command
get TimeZone

Username

Specifies user name for all Telnet, FTP and ExpressNAV
web server sessions.The

username

is case insensitive, 1­32 characters, no spaces You must have the Admin
password to change

Default: root
set Username [username]
Requires a SaveConfiguration command
get Username

Username

.

set Time [HH]: [MM]: [SS]
Requires a SaveConfiguration command
get Time

42

CLI commands

7.1.4 Diagnostic commands

ATTO iPBridge diagnostic commands help validate iPBridge operation and diagnose/isolate iPBridge
faults. For more information on SNMP, refer to

Remote system monitoring

on page 21.

BridgeModel

Reports model and firmware information about a specific
iPBridge

get BridgeModel

BridgeName

Specifies name used to identify individual iPBridge units.
May be up to a maximum of eight characters. It is not the
World Wide Name (WWN).

set BridgeName [value]
get BridgeName

ClearEventLog

Clears the contents of the event log. No events are
recorded until the command has been completed.

ClearEventLog

DumpConfig

Displays a unit’s configuration to an RS-232 or TCP/IP
session (over Ethernet) without impact on the log itself
(the log is not cleared). No events are recorded until the
command has been completed.

DumpConfig

DumpEventLog

Dumps the contents of the entire event log to an RS-232
or TCP/IP session (over Ethernet) without impact on the
log itself. (the log is not cleared). No events are recorded
until the command has been completed.

DumpEventLog

EventLog

When enabled, records various system events to the event
log.

Default: enabled
set EventLog [enabled|disabled]
Requires a SaveConfiguration command
get EventLog

Help

Lists available commands. If command name is specified,
displays detailed command-specific information.

Help [command name]

IdentifyBridge

Enabling this option causes the LED on the top panel of
the iPBridge to blink until the parameter is disabled.

Default: disabled
set IdentifyBridge [enabled|disabled]
get IdentifyBridge

Info

Displays version numbers and other production
information for key components within the iPBridge.

Info

iSCSITargetNameDisplay

Displays the iSCSI target name.

iSCSITargetNameDisplay

IsReserved

Displays the reservation status of the current iPBridge
session/interface.

If the display shows the iPBridge is reserved, the
configuration image is being modified by another
iPBridge services session: set commands are temporarily
unavailable but information commands are available.

Other users may access the iPBridge after execution of a

SaveConfiguration, RestoreConfiguration
FirmwareRestart.

or

At least one interface must always have access to the
iPBridge. Refer to

IsReserved

Reserve

on page 41.

Ping

Ping sends an ICMP echo request to the specified host.

43

ATTO Technology Inc. iPBridge Installation and Operation Manual

ping dp0 [xxx.xxx.xxx.xxx] <count <size>>

RMON

RMON collects and stores Ethernet data on data ports at
specified intervals. You can display the entire table
requested, or a single entry based on the index (and
sample index for the Ethernet History table).

Entries in the Ethernet History table are not valid when
their Sample Index is 0.

Setting the history control entries take effect immediately,
but changes must be saved to be persistent over a reboot.

Valid range for buckets Request: 1-180
Valid range for ethernetStat index: 1-3
Valid range for historyControl: 1-6
Valid range for EthernetHistory index: 1-6
Valid range for sampleidx: 1-2147483647
Valid range for interval: 1-3600

RMON [idx] [bucketsRequest] [interval] [valid| invalid]
Get syntax for entire table: get RMON [ethernetStat |

historyControl] <idx>

Get syntax for single index entry: get RMON

ethernetHistory <idx sampleIdx>

RouteDisplay

Displays a combined list of the host protocol address to
target destination device mappings.

RouteDisplay iSCSI [default <lun> | Target Name <lun>]

SCSIPortList

Lists available SCSI ports and their current status

SCSIPortList

SerialNumber

Reports the serial number which is unique for each
iPBridge. The serial number tracks the board throughout
its life and should not be changed for any reason.

get SerialNumber

SNMPDumpMIB

Dumps the contents of the ATTO iPBridge private SNMP
MIB to the current CLI session. Consult your network
administrator for further assistance with SNMP.

SNMPDumpMIB

SNMPExtendedTraps

Controls Extended SNMP map functioning such as device
transition and device error. Consult your network
administrator for further assistance with SNMP.

set SNMPExtendedTraps [enabled|disabled]
get SNMPExtendedTraps

SNMPTrapAddress

Sets/displays the IP trap addresses and levels. Consult
your network administrator for further assistance with
SNMP.

Index: value between 1 and 6
IP Address: standard IP address
Trap Level: severity required for an event to trigger a
trap
None: no traps are sent to the address
ALL: all triggering events are sent
Warning: warning and critical events are sent
Critical: only critical events trigger a trap

SCSITargets

Lists SCSI devices operational on the SCSI port.

SCSITargets [sb]

set SNMPTrapAddress [Index] [IPAddress] [none | all |

warning | critical ]

get SNMPTrapAddress

SNMPTraps

Enables/disables SNMP trap functions.Consult your
network administrator for further assistance with SNMP.

Default: disabled
set SNMPTraps [enabled | disabled]
get SNMPTraps

TailE v entLo g

Displays new events to the terminal during a serial or
Telnet session.Press <ESC> to exit tail mode.

TailEventLog

44

CLI commands

7.1.5 SCSI configuration commands

The SCSI ports are configured with default settings but may be customized to your specifications using
the CLI commands in this section.

SCSIInitID

Specifies the persistent SCSI initiator ID to be used on the
specified SCSI port. All maps coinciding with the user­specified SCSIInitID must be set to offline and become
invalid upon issuing this command. Choices are 0 to 15.

Default: 7
set SCSIInitID [sb [0-15] ]
Requires a SaveConfiguration command
get SCSIInitID

SCSIPortBusSpeed

Controls the transfer rate at which the iPBridge attempts
to negotiate with its SCSI devices.

Default: Ultra 160
set SCSIPortBusSpeed [sb [fast | ultra | ultra2 | ultra160 ]
Requires a SaveConfiguration command
get SCSIPortBusSpeed [PortNum]

SCSIPortList

Returns a list of available SCSI ports and their current

O.K.

and

status. Valid status values are

SCSIPortList

Failed.

SCSIPortReset

Resets the specified SCSI bus.

SCSIPortReset [sb]

SCSIPortResetOnStartup

Specifies whether or not the SCSI port is reset on power­up.

Default: enabled
set SCSIPortResetOnStartup [sb [enabled | disabled] ]
Requires a SaveConfiguration command
get SCSIPortResetOnStartup [sb]

SCSIPortSelTimeout

Indicates the time, in milliseconds, that the bridge waits
for a response from a SCSI device on the selected port
after a selection request.

get SCSIPortSelTimeout [sb]

Default: enabled
set SCSIPortSyncTransfer [[sb [enabled | disabled] ]
Requires a SaveConfiguration command
get SCSIPortSyncTransfer [sb]

SCSIPortTermination

Configures/reports the SCSI internal termination of the
SCSI port identified.Enabling termination allows the
iPBridge to act as a terminator at the end of a SCSI chain.

Default: enabled
set SCSIPortTermination [sb [enabled | disabled]]
Requires a SaveConfiguration command
get SCSIPortTermination [sb]

SCSIPortWideTransfer

Specifies whether wide SCSI transfers should be
negotiated on the specified bus.

Default: enabled
set SCSIPortWideTransfer [sb [enabled | disabled] ]
Requires a SaveConfiguration command
get SCSIPortWideTransfer [sb]

SCSITargetLUNs

Sets the maximum number of SCSI LUNs per target the
FibreBridge attempts to query during a SCSI bus scan.
Choices are 8 and 32.

Default: 8
set SCSITargetLUNs [sb] [8 | 32]
Requires a SaveConfiguration command
get SCSITargetLUNs

SCSITargets

Lists the physical devices connected and running on the
specified SCSI port.

SCSITargets [n]

SpeedWrite

When enabled, improves the performance of WRITE
commands to target devices attached to the iPBridge.
Specify SCSI bus (sb), target (st), LUN (sl) of a mapped
SCSI device or (all) for each currently mapped device

SCSIPortSyncTransfer

Specifies whether synchronous SCSI transfers should be
negotiated with devices on the specified SCSI port.

45

ATTO Technology Inc. iPBridge Installation and Operation Manual

set SpeedWrite SCSI [sb st sl | all] [enabled | disabled]
get SpeedWrite SCSI [sb st sl | all]

SpeedWriteDefault

When enabled, SpeedWrite performance enhancement is
set as the default for any subsequent SCSI devices
mapped manually or via an AutoMap operation. If
disabled, the iPBridge does not attempt SpeedWrite
performance enhancement to newly-mapped SCSI
devices.

Default: disabled
set SpeedWriteDefault [enabled | disabled]
get SpeedWriteDefault

VirtualDriveResponse

Allows the iPBridge to provide proxy responses to SCSI
INQUIRY and TEST UNIT READY commands if a SCSI
device selection times out or is busy. Host systems can
then assign devices consistently regardless of the device’s
state during the execution of the commands.

Default: disabled
set VirtualDriveResponse [enabled | disabled]
get VirtualDriveResponse

46

CLI commands

7.1.6 Serial port configuration commands

The ATTO iPBridge serial ports or serial headers are configured with default settings but may be
customized to your specifications using the CLI commands in this section.

SerialPortBaudRate

Configures/reports the baud rate for the iPBridge RS-232
serial port or serial header. The number of data bits per
character is fixed at 8 with no parity. Choices are 2400,
9600, 19200, 38400, 57600 and 115200.

Default: 115200
set SerialPortBaudRate [2400 | 9600 |19200 | 38400 |

57600 |115200]
Requires a SaveConfiguration command
get SerialPortBaudRate

SerialPortEcho

Enables/disables/reports the echoing of keyboard input.
When enabled, all non-control character keyboard input
is output to the display. Local ASCII terminal (or terminal
emulator) echo settings should be set to disabled while
using SerialPortEcho enabled

Default: enabled
set SerialPortEcho [enabled | disabled]
Requires a SaveConfiguration Restart command
get SerialPortEcho

47

ATTO Technology Inc. iPBridge Installation and Operation Manual

48

CLI commands

7.1.7 Ethernet commands

These commands configure the Ethernet port including Telnet parameters.

DPMTU

Controls the MTU (Maximum Transmission Unit) used by
the data port: increasing the MTU may improve
throughput on the ipBridge data ports.

Default: 1514
set DPMTU
Requires a SaveConfiguration command
get

dp0

dp0

DPMTU

[1514 | 9014]

EthernetSpeed

Specifies the speed of the Ethernet port. If auto is enabled,
the speed is negotiated.10 and 100 speeds are half duplex
Ethernet speed settings in the host must be the same as
Ethernet speed settings in the iPBridge. Choices are 10
(10 baseT), 100 and 1000

Default: auto
set EthernetSpeed
Requires a SaveConfiguration command
get EthernetSpeed

dp0

[10 | 100 | 1000| Auto]

dp0

Exit

Exits the current Telnet CLI session; it has no effect if
used during a serial CLI session.

Exit

IPAddress

Controls the IP address of the iPBridge Ethernet data
ports. If

IPDHCP

is enabled, the

get

command reports
the current IP address assigned by the network DHCP
server followed by the DHCP identifier.

Default IP address: 10.0.0.1
set IPAddress
Requires a SaveConfiguration command
get IPAddress

dp0

xxx.xxx.xxx.xxx

[dp0|all]

IPDHCP

Selecting DHCP allows the iPBridge to request an IP
address from the network DHCP server. The network
must have at least one DHCP server.

Default: enabled
set IPDHCP [
Requires a SaveConfiguration command
get IPDHCP

dp0|all]

dp0

[enabled | disabled]

IPGateway

Controls the current gateway. If IPDHCP is enabled (see

get

above),

command reports the current IP gateway

assigned by the network DHCP server.

Default: 0.0.0.0
set IPGateway
Requires a SaveConfiguration command
get

dp0

dp0

IPGateway.

xxx.xxx.xxx.xxx

IPSubnetMask

Controls the current subnet mask. If IPDHCP is enabled

get

(see above),

command reports the current subnet

mask assigned by the DHCP server.

Default: 255.255.0.0
set IPSubnetMask
Requires a SaveConfiguration command
get

dp0

IPSubnetMask

dp0

xxx.xxx.xxx.xxx

iSCSIWANIPAddress

Sets the IP address reported from the host. Setting the
address to 0.0.0.0 causes the unit to report the LAN IP
address.

Default: 0.0.0.0
set iSCSIWANIPAddress [dp0 | all] [xxx.xxx.xxx.xxx]
get iSCSIWANIPAddress [dp0 | all]

Password

Specifies a password for all sessions: Telnet, FTP and
ExpressNAV web-based interface. You are prompted for
the current password, to enter the new password, and to
confirm the new password. Passwords are case sensitive,
0-32 characters with no spaces. An empty password can
be configured by entering the Password confirmation
prompts with no parameters. The command

RestoreConfiguration default

sets the password to its

default value.

Default: Password
set Password
Requires a SaveConfiguration command

Ping

Sends an ICMP echo request to the specified host.

ping

dp0

[xxx.xxx.xxx.xxx] <count <size>>

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ATTO Technology Inc. iPBridge Installation and Operation Manual

ReadOnlyPassword

Specifies a read only password for all sessions: Telnet,
FTP and ExpressNAV web-based interface. You are
prompted for the current password, to enter the new
password, and to confirm the new password. Passwords
are case sensitive, 0-32 characters with no spaces.An
empty password can be configured by entering the
password confirmation prompts with no parameters. The
command

RestoreConfiguration default

sets the

password to its default value.

Default: Password
set ReadOnlyPassword [password]
Requires a SaveConfiguration command

ReadOnlyUsername

Specifies a read only user name for all Telnet, FTP and
ExpressNAV web server sessions.

Username

is case

insensitive, 1-32 characters with no spaces.

Default: user
set ReadOnlyUsername [username]
Requires a SaveConfiguration command

get Username

RMON

RMON collects and stores Ethernet data on data ports at
specified intervals. You can display the entire table
requested, or a single entry based on the index (and
sample index for the Ethernet History table).

Entries in the Ethernet History table are not valid when
their Sample Index is 0.

Setting the history control entries take effect immediately,
but changes must be saved to be persistent over a reboot.

Valid range for buckets Request: 1-180
Valid range for ethernetStat index: 1-3
Valid range for historyControl: 1-6
Valid range for EthernetHistory index: 1-6
Valid range for sampleidx: 1-2147483647
Valid range for interval: 1-3600

RMON [idx] [bucketsRequest] [interval] [valid| invalid]
For entire table: get RMON [ethernetStat | historyControl]

<idx>

For single index entry: get RMON ethernetHistory <idx

sampleIdx>

Username

Specifies a user name for all Telnet, FTP and
ExpressNAV web server sessions.

Username

is case
insensitive, 1-32 characters with no spaces.You must
have an Admin password to change

Default: root
set Username [username]
Requires entering a password
Requires a SaveConfiguration command
get Username

Username

.

VLAN

Creates up to eight Virtual LAN IDs for each Ethernet
data port. Each VLAN ID is assigned a VLAN name of up
to 64 characters. If no VLALN ID exists for a data port,
VLAN is disabled for that port.Refer to

optimization

on page 19

.

Performance

set VLAN [dp [n]] [[VLAN ID] [VLAN Name] <delete>| [all]

[delete]]
Requires a SaveConfiguration command
get VLAN [dp [n]]

Exhibit 7.1.7-1 Default history Control table (buckets and interval in hexadecimal) for the RMON CLI
command.

Idx DataSrc BktReq BktGrant Interval Owner Status
====================================================================
001 43.6.1.2.1.2.2.1.1.1 00000032 00000032 0000001e monitor 00000004
002 43.6.1.2.1.2.2.1.1.1 00000032 00000032 00000708 monitor 00000004
003 43.6.1.2.1.2.2.1.1.2 00000032 00000032 0000001e monitor 00000004
004 43.6.1.2.1.2.2.1.1.2 00000032 00000032 00000708 monitor 00000004
005 43.6.1.2.1.2.2.1.1.3 00000032 00000032 0000001e monitor 00000004
006 43.6.1.2.1.2.2.1.1.3 00000032 00000032 00000708 monitor 00000004

CLI commands

50

7.1.8 iSCSI commands

You may customize the iPBridge to your specifications using the CLI commands in this section.

iSCSIAlias

Assigns a human-readable name to the iPBridge. Aliases
may be 1 to 64 characters long and may contain spaces if
spaces are enclosed in quotation marks. Entering the

iSCSIAlias

command with no alias parameter causes

set

the alias to be removed.

Default: ““
set iSCSIAlias [Alias]
Requires a SaveConfiguration command
get iSCSIAlias

iSCSIChap

Regulates whether CHAP (Challenge-Handshake
Authentication Protocol) is used for the iSCSI protocol. If

CHAP

is enabled, the target requires the initiator to
negotiate CHAP authentication using the CHAP secrets.
An initiator may reject this negotiation. If

discovery

is
specified, the setting applies to CHAP during discovery
sessions.

Default:disabled
set iSCSIChap [default | Target Name | discovery ]

[enabled | disabled]

get iSCSIChap [default | Target Name | discovery ]

can be 1 to 223 characters.
sensitive. Account name can not be

out

An

chap secret is for authentication of the iPBridge

Account Names

all

.

are case

to the rest of the network. There can only be one out
secret. The account name is ignored for out secrets and
defaulted to

set iSCSIChapSecret [default | Target Name | discovery ]

[in [Account Name | all] | out [root] | delete [Account
Name | all ] ] <Secret>

get iSCSIChapSecret [default | Target Name | discovery

][ in [Account Name | all] | out [root]]

root

.

iSCSIIntiators

Lists previous and current successfully logged-in iSCSI
initiators including successful initiators recorded in the
event log and any initiators manually added since the last
reboot. This list is cleared if the event log is cleared.

iSCSIIntiators

iSCSIPortNumber

Specifies the port number which listens for iSCSI
connections. The port number must be between 1024 and
65535 except for port 860.

iSCSIChapSecret

Specifies the incoming and outgoing passwords (secrets)
for iSCSI CHAP sessions.

default

sets the CHAP secret passwords pair to default

RestoreConfiguration

values.

Secrets are case sensitive, 12 to 32 characters, and
cannot contain spaces.

In

and

out

secrets must be
different for each name.If discovery is specified, the
setting applies to CHAP during discovery sessions.

An

in

CHAP secret is for authentication of the server to
the iPBridge. The iPBridge can store up to 32
each with a unique
Initiator Name) and secret pair. The

Account Name

(optionally the

Account Name

in

secrets,

Default: 3260
set iSCSIPortNumber [dp0 | all] [portnumber]
Requires a SaveConfiguration command
get iSCSIPortNumber [dp0] | all]

iSCSITarget

Creates/deletes an iSCSI target name. The target name
acts as a suffix to the standard bridge iSCSI-qualified
name. The target name may not exceed 24 characters. A
newly-created target has one LUN, the iPBridge LUN, at
LUN 0. If the target name already exists, this command
does nothing. In verbose mode, overwriting a map
requires secondary confirmation of the action.

iSCSITarget [Target Name] <delete>

51

ATTO Technology Inc. iPBridge Installation and Operation Manual

iSCSITargetNameDisplay

Displays the iSCSI target name.

iSCSITargetNameDisplay

iSNSLoginControl

Specifies whether the iPBridge delegates its access
control/authorization to an iSNS server.

iSCSIWANIPAddress

Sets the IP address reported from the host. Setting the
address to 0.0.0.0 causes the unit to report the LAN IP
address.

Default: 0.0.0.0
set iSCSIWANIPAddress [dp0 | all] [xxx.xxx.xxx.xxx]
get iSCSIWANIPAddress [dp0 | all]

Note

iSNSLoginControl cannot be used with
AccessControl

Default: disabled
set iSNSLoginControl [enabled | disabled]
Requires a SaveConfiguration command
get iSNSLoginControl

iSNSServer

Specifies whether the IP address of a valid iSNS server
from which the iPBridge attempts iSCSI initiator
discovery. Setting to 0.0.0.0 disables iSNS server lookup.

Default: 0.0.0.0
set iSNSServer [xxx.xxx.xxx.xxx]
Requires a SaveConfiguration command
get iSNSServer

52

CLI commands

7.1.9 Target management commands

Use the default mapping or map target devices using ATTO ExpressNAV. The commands in this chapter
provide additional information and specific CLI commands you may use if mapping using the Ethernet
or serial port. Refer to

Target management

on page 13.

AccessControl

Controls access to a target node as keyed to the iSCSI
qualified name of listed initiators.

Note

AccessControl cannot be used with iSNS.
Refer to

set AccessControl [default | Target Name] [enabled |

disabled]

get AccessControl [default | Target Name]

iSNSLoginControl

on page 52.

AccessEntry

Allows the addition or deletion of an initiator entry from
the access control list of a target node. The initiator name
must be an iSCSI qualified name and must be between 1
to 223 characters. The name is case sensitive and cannot
be

all.

set AccessEntry [default | Target Name | discovery]

[Initiator Name <delete> | all [delete]]

get AccessEntry [default | Target Name | discovery]

AutoMap

Automatically assigns iSCSI LUNs to a set of SCSI target
destination devices visible to the iPBridge.Automap with
no arguments maps all drives to the default target. By
specifying a target name,
that target. By specifying

Automap

*, automap

maps all devices to

maps each device

to its own auto-named target.

AutoMapOnBootDelay

Controls automatic device detection and mapping
(automap) at bridge startup with a delay of up to 4.25
minutes (1-256 seconds).

set AutoMapOnBootDelay [0-256]
Requires a SaveConfiguration command
get AutoMapOnBootDelay

DeleteAllMaps

Removes all mapped devices from the map table. Upon
the subsequent POST, if no maps are present the default
maps will be loaded.

DeleteAllMaps

iSCSITarget

Creates/deletes an iSCSI target name. The target name
acts as a suffix to the standard iPBridge iSCSI-qualified
name. The target name may not exceed 24 characters. A
newly-created target has one LUN, the iPBridge LUN, at
LUN 0. If the target name already exists, this command
does nothing. Access control is enabled by default unless
iSNS is already enabled.The default target cannot be
deleted.

iSCSITarget [Target Name] <delete>

iSCSITargetNameDisplay

Displays the iSCSI target name.

iSCSITargetNameDisplay

AutoMap < default | Target Name | * >

AutoMapOnBoot

Controls automatic device detection and mapping
(automap) at bridge startup.

Default: enabled
set AutoMapOnBoot [enabled | disabled]
Requires a SaveConfiguration command
get AutoMapOnBoot

53

ATTO Technology Inc. iPBridge Installation and Operation Manual

Route

Assigns a host protocol address to a target destination
device. If you try to map a new SCSI BTL to the same
iSCSI LUN, the new BTL overwrites the previous map.
Using the

Delete

identifier removes the map from its map
table. In verbose mode, overwriting a map requires
secondary confirmation.

Route iSCSI [default | Target Name][lun] [SCSI [Bridge ]

| Delete] <bb tt ll>

RouteDisplay

Displays a combined list of the host protocol address to
target destination device mappings.

RouteDisplay iSCSI [default <lun> | Target Name <lun>]

SCSIInitID

Specifies the persistent SCSI initiator ID to be used on the
specified SCSI port. All maps coinciding with the user­specified

SCSIInitID

are destroyed upon issuing this

command. Choices are 0 to 15.

Default: 7
set SCSIInitID [sb [0-15] ]
Requires a SaveConfiguration command
get SCSIInitID

SCSITargets

Lists the SCSI devices operational on the SCSI port.

SCSITargets [sb]

VLAN

Creates up to eight Virtual LAN IDs for each Ethernet
data port. Each VLAN ID is assigned a VLAN name of up
to 64 characters. If no VLALN ID exists for a data port,
VLAN is disabled for that port.Refer to

optimization

set VLAN [dp [n]] [[VLAN ID] [VLAN Name] <delete>| [all]
[delete]]
Requires a SaveConfiguration command
get VLAN [dp [n]]

on page 19

.

Performance

54

CLI commands

Appendix A ATTO iPBridge, FibreBridge family

The ATTO bridge family of products provides iSCSI-to-SCSI, iSCSI to Fibre Channel or Fibre Channel­to-SCSI bridges available as Compact PCI (CPCI) boards, stand alone enclosures that can be fitted for
rackmount integration, or desktop units, depending on the model and your needs.

The ATTO iPBridge and ATTO FibreBridge
family of products share common configuration
options and functions to provide the most
versatile connectivity options available. Each
product has been engineered to address specific
customer needs. New capabilities are integrated

iPBridge

Product features 2700 2600R/D 2500 1550

Number of GigE ports 4431
Number of SCSI ports NA 2 2 1
SCSI interface NA LVD/SE LVD/SE LVD/SE
Number of FC ports 2 NA NA NA
FC interface SFP NA NA NA
Data transfers 4 Gigabit NA NA NA
Ethernet interface Gigabit

Ethernet

Data transfer wire speed wire speed near wire

Configuration cPCI board

Desktop

Supports
full duplex data transfers
Class 3 transfers
intermix transfers
direct fabric connect
error recovery

Bridge management available
Serial
Ethernet

Diagnostics Advanced Advanced Standard Advanced
Common Code base Yes Yes Yes Yes
Virtual Device Architecture Yes Yes Yes
ExpressNAV web management Yes Yes Yes Yes
iSCSI SANS Yes Yes Yes Yes
Configuration save and restore Yes Yes NA Yes

into products throughout the family as much as
possible, requiring only an upgrade of firmware to
incorporate them into your SAN (Storage Area
Network) or NAS (Network Attached Storage).
Check the website,

www.attotech.com

latest firmware updates.

Rack

Yes
Yes
Yes
Yes
Yes

Yes
Yes

Gigabit

Ethernet

cPCI board

Desktop

Rack

NA NA NA

Yes
Yes

Gigabit

Ethernet

speed

cPCI board

Desktop

Rack

Yes
Yes

, for the

Gigabit

Ethernet

wire speed

Embedded

Desktop

Yes
Yes

i

ATTO Technology Inc. iPBridge Installation and Operation Manual

FibreBridge

Product features

Number of FC ports 1 1 1 1 2
FC interface SFP SFP SFP SFP SFP
Data transfers 2-Gb 2-Gb 2-Gb 4-Gb 4-Gb
Number of SCSI ports 2 2 2 2 2
SCSI interface LVD/SE LVD/SE LVD/SE LVD/SE LVD/SE
Sustained data transfer rate

(MB/sec.)
Configurations Embedded cPCI board,

Full duplex data transfers Yes Yes Yes Yes Yes
Supports

Class 2 transfers
Class 3 transfers
intermix transfers
direct fabric connect
error recovery

Bridge management available
Serial
Ethernet
In-band

Serverless backup Yes Yes Yes Future Future
Virtual Device Architecture

(VDA)
Port failover NANANANAYes
Diagnostics Standard Standard Advanced Advanced Advanced
Configuration save and restore NA NA NA Yes Yes

1290E

160 185 195 280 440

Yes
Yes
Yes
Yes
Yes

Yes
Yes
Yes

NA NA NA Yes Yes

2300

rackmount

desktop

Yes
Yes
Yes
Yes
Yes

Yes
Yes
Yes

2350 2390 2400

cPCI board,

rackmount

desktop

Yes
Yes
Yes
Yes
Yes

Yes
Yes
Yes

cPCI board,

rackmount

desktop

NA

Yes

NA
Yes
Yes

Yes
Yes
Yes

cPCI board,

rackmount

desktop

NA

Yes

NA
Yes
Yes

Yes
Yes
Yes

ii

Appendix

Appendix B Cabling

Additional information to physically connect ports to devices and to your SAN.

SCSI cabling

Cables and devices must be chosen to maximize
performance and minimize the electrical noise
from the high-speed data transfers available with
the SCSI protocol. Cabling and termination
methods become important considerations for
proper performance. SCSI cables and devices are
subject to specific length and number limitations
to deal with electrical problems that arise at
increased operating speeds.

Examples

The SCSI specification limits total bus cable
length for single-ended SCSI in a non-UltraSCSI
environment to 3 meters (combined length of both
internal and external cable lengths).

In an UltraSCSI workgroup environment with a 7­drive tower, you are limited to 1.5 meters between
the host and the tower, including the cabling for
the tower. If the 7-drive tower requires 1 meter of
cabling to connect all of its drives, the distance

Cable types

from the tower to the host must be .5 meters.

Use high-quality cables rated for the type of SCSI
transfers required: well-insulated SCSI cables
ensure error free communications. Try to keep
cable lengths as short as possible to ensure higher
signal quality and performance.

Exhibit 0.0-1 Various types of SCSI operate at different speeds and require different bus lengths to support
a certain number of devices.

Bus speed

STA terms

Fast SCSI 10 8 3 25 n/a 8
Fast/WIDE SCSI 20 16 3 25 n/a 16
UltraSCSI 20 8 1.5 25 n/a 8
Ultra/WIDE SCSI 40 16 n/a 25 n/a 16
WIDE Ultra SCSI 40 16 1.5 n/a n/a 8
WIDE Ultra SCSI 40 16 3 n/a n/a 4
Ultra2 SCSI 40 8 n/a n/a 12 8
WIDE Ultra2 SCSI 80 16 n/a n/a 12 16
Ultra 160 SCSI 160 16 n/a n/a 12 16
Ultra 320 SCSI 320 16 n/a 12 n/a 16

MB/sec.

max.

Bus

width

bits

Max. bus lengths in meters

Single-

ended

Note

UltraSCSI is very sensitive to SCSI bus noise,
cable distances and the number of devices
connected on the SCSI bus. Carefully connect
your devices when working with UltraSCSI.

Max. device

Differential LVD

support

Connecting SCSI devices to SCSI ports

ATTO iPBridge SCSI ports connect SCSI storage
devices to the network. Each SCSI port is totally
independent from the other SCSI port.

Each SCSI port is a bus capable of supporting 15
devices and each bus is capable of 40, 80 or 160

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ATTO Technology Inc. iPBridge Installation and Operation Manual

MB/sec. (Ultra, Ultra2, or Ultra160) transfer
rates.

You may use externally provided striping
software to create a RAID 0 group that includes
devices from both SCSI busses to increase overall
performance.

Each SCSI bus auto-negotiates the appropriate
sync rates with the connected devices. If slower
devices are mixed with faster devices, the bus
communicates at the rate of the slowest device,
thus wasting the performance capabilities of the
faster devices. Connect slower devices to one
SCSI port and connect faster devices to the other
port.

The iPBridge supports a wide variety of SCSI
storage devices including stand-alone drives,
removable drives, JBODs, RAIDs, tape, CD and
DVD drives, changers and libraries.

1 Connect the cable from the SCSI device to a

VHDCI SCSI port on the iPBridge.

Ethernet connections

2 Check the type of cable, cable length limit and

number of devices recommended for the port.
See Exhibit 0.0-1.

Keep cable lengths as short as possible to

ensure the highest signal quality and
performance. These cable lengths include the
wiring inside the devices.

3 Set the IDs of the SCSI devices connected to

the bridge to a value other than 7.

Use a sequential ID starting at 0 for each

device. The SCSI port in the ATTO iPBridge
has an internal factory setting ID of 7, typical for
a SCSI initiator device.

4 Terminate the SCSI bus after the last device.

The iPBridge is terminated internally.

Use at least Cat 5e cable to connect the Ethernet
ports to your network.

Note

For best performance, all cabling, network
interface cards (NICs), host bus adapters
(HBAs), and network switches must be Gigabit
Ethernet (GbE), and at least Cat 5e certified.
Most standard offices use 2-pair wiring which
is not compatible. GbE requires 4-pair wiring.

For best performance, support for 9014 byte
jumbo frames should be available for all switches
and host iSCSI equipment.

Before you begin installing the iPBridge Ethernet
ports, be sure to check or complete the following:

• If you are managing your iSCSI system across a
WAN and your system uses a firewall, be sure
that the following ports are open and available:

If you are using the TCP protocol

• telnet (port 23)

• http (port 80)

• ftp (ports 20 and 21)

• iSCSI (port 3260)

• iSNS (port 3705)

If you are using the UDP protocol

• ntp (port 123)

• Be sure your host system(s) is set up and
configured.

• Your host system can use any of three
different types of cards: a network interface
card (NIC), a telnet offload engine card
(TOE), or a storage network interface card
(SNIC).

• The ATTO driver file from the CD included
with your iPBridge or from the ATTO
website,
your host.

• The switch has been configured to forward
UDP broadcast messages.

• The minimum requirement for Windows-based
browsers is Internet Explorer 5.5 or Netscape
Navigator 6.2. The minimum requirement for
Macintosh browsers is Internet Explorer 5.2 or
Safari 1.2.

• Ethernet speed defaults to auto; the iPBridge
determines the speed and set other parameters
based on the speed.

www.attotech.com, is installed on

iv

Appendix

Appendix C Glossary

More information is available through the Storage Networking Industry Association

(

www.snia.org/education/dictionary)

Term Definition

Access Control
List (ACL)

Broadcast Domain PCs and servers send (broadcast) information out through an Ethernet domain.

CHAP Challenge-Handshake Authentication Protocol: If CHAP is enabled, the target

DHCP As defined in RFC 2131, a protocol which assigns IP addresses to devices on a

Firmware Software stored in read-only memory (ROM) or programmable ROM (PROM);

IETF Internet Engineering Task Force: The standards body responsible for Internet

Initiator Device A component which originates a command
iSCSI Internet SCSI (Small Computer System Interface), a protocol to link data storage

iSCSI node representation of a single iSCSI initiator or iSCSI target.

LUN Logical Unit Number: an identifier of a device
NAS Network Attached Storage: storage elements connected to a network to provide

SCSI Small Computer Systems Interface: a processor-independent standard for

SNMP Simple Network Management Protocol: a standard for monitoring and managing

SNTP Simple Network Time Protocol: uses a server to set the time and date over the

Target Node iSCSI synonym for zone

Access Control List: characteristic of an iSCSI target node on ATTO iPBridges
whereby iSCSI initiators allowed access to that target node are included on a list
of permitted initiators.

Switches and routers may connect domains, but may not share information
across domains.

requires the initiator to negotiate CHAP authentication using the CHAP secrets
(passwords). An initiator may reject this negotiation.

local area network. The iPBridge is set up by default to request an IP address
from the DHCP server.

firmware is often responsible for the behavior of a system when it is first switched
on

standards such as SNMP and TCP/IP through a community of network
designers, operators, vendors and researchers concerned with the evolution and
smooth operation of the Internet

facilities over the Internet or an intranet developed by the Internet Engineering
Task Force (IETF); carries SCSI commands over IP networks to facilitate data
transfers over intranets and manage storage over long distances

accessed through the Ethernet port on an iPBridge is identified by a unique world­wide iSCSI-qualified name.

file access services to computer systems; an NAS Storage Element includes an
engine to implement the file services and one or more devices to store data; NAS
elements may be attached to any type of network; an NAS host system uses a
file system device driver to access data and NAS systems interpret these
commands to execute the necessary internal file and device I/O operations

system-level interface between a computer and intelligent devices including hard
disks, tape, floppy disks, CD-ROM, printers, scanners, etc.

systems and devices in a network; data is defined by a MIB; functions supported
include the request and retrieval of data

Ethernet port.

and the IETF

(

www.ietf.org

).

Each iSCSI target node

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ATTO Technology Inc. iPBridge Installation and Operation Manual

Appendix D Safety standards and compliances

The equipment described in this manual generates and uses radio frequency energy. If this equipment is
not used in strict accordance with the manufacturer's instruction, it can and may cause interference with
radio and television reception. See the Technical Specification sheet for a full list of certifications.

WARNING

Risk of explosion if battery is removed and/or replaced by an incorrect type. Dispose of used
batteries in accordance with your local environmental regulations.

No operator serviceable components inside the iPBridge 1500/1550.

Do not remove cover of the iPBridge 1550. Refer servicing to qualified personnel.

FCC Standards: Radio and Television Interference

WARNING

This equipment generates, uses, and can radiate radio frequency

energy and, if not installed and used in accordance with the instruction
manual, may cause interference to radio communications. It has been tested and found to comply
with the limits for a Class A computing device pursuant to Subpart J of Part 15 of FCC rules, which
are designed to provide a reasonable protection against such interference when operating in a
commercial environment. Operation of this equipment in a residential area is likely to cause
interference, in which case the user, at his own expense, will be required to take whatever
measures may be required to correct the interference.

If this equipment does cause interference to radio and television reception, which can be determined by
turning the equipment off and on, try to correct the interference by one or more of the following
measures

• Move the receiving antenna.

• Relocate the bridge with respect to the receiver,
or move the bridge away from the receiver.

• Plug the computer into a different outlet so the
computer and receiver are on different branch
circuits.

The booklet

How to Identify and Resolve Radio/TV Interference Problems

• If necessary, consult an ATTO authorized
dealer, ATTO Technical Support Staff, or an
experienced radio/television technician for
additional suggestions.

prepared by the Federal
Communications Commission is a helpful guide. It is available from the US Government printing office,
Washington, DC 20402, Stock No. 004-000-00345-4.

Canadian Standards

This Class A digital apparatus complies with Canadian ICES-003.

Cet appareil numérique de la classe A est conforme à la norme NMB-003 du Canada.

vi

Appendix

European Standards

Declaration of Conformity

This following statement applies to the ATTO iPBridge.

This device has been tested in the basic operating configuration and found to be compliant

with the following European Union standards

Application of Council Directive: 89/336/EEC.

Standard(s) to which conformity is declared: EN55022, EN50082-1
This Declaration will only be valid when this product is used in conjunction with other CE approved
devices and when the entire system is tested to the applicable CE standards and found to be compliant.

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ATTO Technology Inc. iPBridge Installation and Operation Manual

Appendix E ATTO accessories

The following accessories are available through ATTO Technology. Contact an ATTO Technology
authorized sales representative to order.

iSCSI Bridge board-level models

ATTO iPBridge 2600C

IPBR-2600-CR0 4 Gigabit Ethernet by 2 LVD Ultra320 SCSI

ATTO iPBridge 2700C

IPBR-2700-CR0 4 Gigabit Ethernet by 2 4-Gb Fibre Channel

ATTO iPBridge 2500C

IPBR-2500-C00 3 Gigabit Ethernet by 2 LVD SCSI

ATTO iPBridge 1500E

IPBR-1500-E00 1 Gigabit Ethernet by 1 LVD SCSI, up to 37 MB/sec.

ATTO iPBridge 1550E

IPBR-1550-E00 1 Gigabit Ethernet by 1 LVD SCSI, up to 100 MB/sec.

iSCSI Bridge desktop models & desktop models with rackmount kits

ATTO iPBridge 2600R/D

IPBR-2600-DR0 4 Gigabit Ethernet by 2 LVD Ultra320 SCSI

ATTO iPBridge 2700R/D

IPBR-2700-DR0 4 Gigabit Ethernet by 2 Gb Fibre Channel

ATTO iPBridge 2500R/D

IPBR-2500-D00 3 Gigabit Ethernet by 2 LVD SCSI

ATTO iPBridge 1500D

IPBR-1500-D00 1 Gigabit Ethernet by 1 LVD SCSI 1; up to 37 MB/sec.

ATTO iPBridge 1550D

IPBR-1550-D00 1 Gigabit Ethernet by 1 LVD SCSI; up to 100 MB/sec.

Cables

CBL-HD68-681 SCSI, External, HD68 to HD68, U320-rated, 1m
CBL-LCLC-003 Fibre Channel, Optical, LC to LC, 3m.
CBL-LCLC-010 Fibre Channel, Optical, LC to LC, 10m.
CBL-LCSC-003 Fibre Channel, Optical, LC to SC, 3m.
CBL-LCSC-010 Fibre Channel, Optical, LC to SC, 10m.

Accessories

SFP2-0000-000 Adapter, 2-Gigabit Fibre Channel, Short Wave Optical, SFP LC
SFP4-0000-000 Adapter, 4-Gigabit Fibre Channel, Short Wave Optical, SFP LC

Cables: RS232

CBL-0911-001 Cable, Serial RS232, RJ11 to DB9, 10 ft.

viii

Appendix

Appendix F Contact ATTO Technology, Inc.

Customer service, sales Get syntax and technical support are available by phone Monday through
Friday, Eastern Standard Time 8:00 a.m. to 8:00 p.m., or by fax and website 24-hours a day.

ATTO Technology, Inc.
155 CrossPoint Parkway
Amherst, New York 14068
[phone] • voice
[phone] • fax

www.attotech.com

ATTO Technology can also be reached via e-mail at the following addresses:

Sales Support: [e-mail]
Technical Support:[e-mail]

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ATTO Technology Inc. iPBridge Installation and Operation Manual