merchantability and fitness for a particular purpose. Hewlett-Packard shall not be liable for errors contained herein or for incidental or consequential
damages in connection with the furnishing, performance, or use of this material.
This document contains proprietary information, which is protected by copyright. No part of this document may be photocopied, reproduced, or
translated into another language without the prior written consent of Hewlett-Packard. The information is provided “as is” without warranty of any
kind and is subject to change without notice. The only warranties for HP products and services are set forth in the express warranty statements
accompanying such products and services. Nothing herein should be construed as constituting an additional warranty. HP shall not be liable for
technical or editorial errors or omissions contained herein.
Linux is a trademark of Linus Torvalds in the United States and in other countries.
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UNIX is a registered trademark in the United States and in other countries, exclusively licensed through X/Open Company, Ltd.
Parts of this product are derived from the following software:
For detailed copyright and license agreements, see the HP StorageWorks Enterprise File Services WAN Accelerator Installation and Configuration Guide. For modified source code (where required), see the HP technical support site at http://www.hp.com.
Certain libraries were used in the development of this software, licensed under GNU Lesser General Public License, Version 2.1, February 1999. For
the copyright and license agreement, see the HP StorageWorks Enterprise File Services WAN Accelerator Installation and Configuration Guide. For
a list of libraries and source material (where required), see the HP technical support site at
http://www.hp.com.
Enterprise File Services WAN Accelerator 3.0.4 Management Console user guide
Index ....................................................................................................... 229
6 CONTENTS
Introduction
INTRODUCTION
In This
Introduction
Welcome to the HP EFS WAN Accelerator Management Console User Guide. Read
this introduction for an overview of the information provided in this guide and for an
understanding of the documentation conventions used throughout. This introduction
contains the following sections:
“About This Guide,” next
“Hardware and Software Dependencies” on page 8
“Ethernet Network Compatibility” on page 9
“Antivirus Compatibility” on page 9
“Additional Resources” on page 10
“Contacting HP” on page 11
About This Guide
The HP EFS WAN Accelerator Management Console User Guide describes how to
manage and monitor the HP StorageWorks Enterprise File Services WAN Accelerator
using the Management Console.
Types of UsersThis guide is written for storage and network administrators with familiarity
administering and managing networks using Common Internet File System (CIFS),
Hypertext Transport Protocol (HTTP), File Transfer Protocol (FTP), and Microsoft
Exchange.
Organization of
This Guide
HP STORAGEWORKS EFS WAN ACCELERATOR MANAGEMENT CONSOLE USER GUIDE 7
The HP EFS WAN Accelerator Management Console User Guide includes the
following chapters:
Chapter 1, “Overview of the HP EFS WAN Accelerator Management Console,”
describes how to connect to and navigate in the Management Console.
Chapter 2, “Configuring the HP EFS WAN Accelerator,” describes how to
configure and manage the HP EFS WAN Accelerator using the Management
Console.
Chapter 3, “Creating HP EFS WAN Accelerator Reports and Logs,” describes
how to create and view HP EFS WAN Accelerator reports and logs.
Appendix A, “HP EFS WAN Accelerator Ports,” provides a list of commonly
optimized ports, excluded ports, default ports, and interactive and secure ports
that are automatically forwarded by the HP EFS WAN Accelerator.
Appendix B, “HP EFS WAN Accelerator MIB,” provides a reference for the HP
EFS WAN Accelerator Enterprise Simple Network Management Protocol
(SNMP) Message Information Block (MIB).
A glossary of terms follows the chapters, and a comprehensive index directs you to
areas of particular interest.
Document
Conventions
This manual uses the following standard set of typographical conventions to introduce
new terms, illustrate screen displays, describe command syntax, and so forth.
ConventionMeaning
italicsWithin text, new terms and emphasized words appear in italic
typeface.
boldfaceWithin text, commands, keywords, identifiers (names of classes,
objects, constants, events, functions, program variables),
environment variables, filenames, Graphical User Interface (GUI)
controls, and other similar terms appear in bold typeface.
Courier
KEYSTROKE
Information displayed on your terminal screen and information that
you are instructed to enter appear in Courier font.
Keys that you are to press appear in uppercase letters in Helvetica
font.
Hardware and Software Dependencies
The following table summarizes the hardware, software, and operating system
requirements for the Management Console.
HP EFS WAN Accelerator
Component
Management Console• Any computer that supports a
8 INTRODUCTION
Hardware Requirements
Web browser with a color
image display.
Software Requirements
Operating System Requirements
• The Management Console has been tested with
Mozilla Firefox, version 1.0.x and 1.5.x and
Microsoft Internet Explorer version 6.0x.
NOTE: Javascript and cookies must be enabled in
your browser.
NOTE: If you want to encrypt your
communication, you must have a Secure Sockets
Layer (SSL) capable browser.
Ethernet Network Compatibility
The HP EFS WAN Accelerator supports the following types of Ethernet networks:
Ethernet Logical Link Control (LLC) (IEEE 802.2 - 2002)
Fast Ethernet 100 Base-TX (IEEE 802.3 - 2002)
Gigabit Ethernet over Copper 1000 Base-T and Fiber 1000 Base-SX (LC
connector) (IEEE 802.3 - 2002)
The Primary port in the HP EFS WAN Accelerator is 10 Base-T/100, Base-TX/1000,
and Base-T/SX Mbps (IEEE 802.3 -2002).
In-path HP EFS WAN Accelerator ports are 10/100/1000 Base-TX or Gigabit Ethernet
1000Base-T/SX (IEEE 802.3 – 2002) (depending on your order).
The HP EFS WAN Accelerator supports Virtual Local Area Network (VLAN) Tagging
(IEEE 802.1Q - 2003). It does not support the Cisco InterSwitch Link (ISL) protocol.
All copper interfaces are auto-sensing for speed and duplex (IEEE 802.3 - 2002).
The HP EFS WAN Accelerator auto-negotiates speed and duplex mode for all data
rates and supports full duplex mode and flow control (IEEE 802.3 – 2002).
INTRODUCTION
The HP EFS WAN Accelerator with a Gigabit Ethernet card supports Jumbo Frames
on in-path and primary ports.
Antivirus Compatibility
The HP EFS WAN Accelerator has been tested with the following antivirus software
with no impact on performance:
Network Associates (McAfee) VirusScan v7.0.0 Enterprise on the server
Network Associates (McAfee) VirusScan v7.1.0 Enterprise on the server
Network Associates (McAfee) VirusScan v7.1.0 Enterprise on the client
Symantec (Norton) AntiVirus Corporate Edition v8.1 on the server
The HP EFS WAN Accelerator has been tested with the following antivirus software
with a noticeable to moderate impact on performance:
F-Secure Anti-Virus v5.43 on the client
F-Secure Anti-Virus v5.5 on the server
Network Associates (McAfee) NetShield v4.5 on the server
Network Associates VirusScan v4.5 for multiplatforms on the client
Symantec (Norton) AntiVirus Corporate Edition v8.1 on the client
HP STORAGEWORKS EFS WAN ACCELERATOR MANAGEMENT CONSOLE USER GUIDE 9
Additional Resources
This section describes the following resources that supplement the information in this
guide:
“Related HP Documentation” on page 10
“Online Documentation” on page 10
“Related Reading” on page 11
Related HP
Documentation
You can access the complete document set for the HP EFS WAN Accelerator from the
HP StorageWorks EFS WAN Accelerator Documentation Set CD-ROM:
HP StorageWorks Enterprise File Services WAN Accelerator Installation and
Configuration Guide describes how to install and configure the HP EFS WAN
Accelerator.
HP StorageWorks Enterprise File Services WAN Accelerator Command Line
Interface Reference Manual is a reference manual for the HP EFS WAN
Accelerator command-line interface for the HP EFS WAN Accelerator. It lists
commands, syntax, parameters, and example usage.
HP StorageWorks Enterprise File Services WAN Accelerator Deployment Guide
describes how to deploy the HP EFS WAN Accelerator in complex network
environments (for example, environments using Web Cache Communication
Protocol (WCCP), Policy-Based Routing (PBR), and Layer-4 switches).
HP StorageWorks Enterprise File Services Remote Copy Utility Reference
Manual describes how to install and deploy the HP EFS Remote Copy Utility
(RCU). The RCU is an optional utility of the HP EFS WAN Accelerator that
copies, mirrors, and transparently prepopulates data. You can download the RCU
from the HP Technical Support site located at http://www.hp.com.
HP StorageWorks Enterprise File Services WAN Accelerator Manager User’s
Guide describes how to install, configure, and administer a network made up of
multiple HP EFS WAN Accelerators using the HP StorageWorks Enterprise File
ServicesWAN Accelerator Manager.
HP StorageWorks Enterprise File Services N4c WAN Accelerator 4-port NIC
Installation Guide describes how to install bypass cards in the HP EFS WAN
Accelerator.
Online
Documentation
10 INTRODUCTION
The HP EFS WAN Accelerator documentation set is periodically updated with new
information. To access the most current version of the HP EFS WAN Accelerator
documentation and other technical information, consult the HP Technical Support site
located at http://www.hp.com.
Related
Reading
Technical
Support
To learn more about network storage systems and network administration, consult the
following books:
Microsoft Windows 2000 Server Administrator’s Companion by Charlie Russell
and Sharon Crawford (Microsoft Press, 2000)
Common Internet File System (CIFS) Technical Reference by the Storage
Networking Industry Association (Storage Networking Industry Association,
2002)
TCP/IP Illustrated, Volume I, The Protocols by W. R. Stevens (Addison-Wesley,
1994)
Internet Routing Architectures (2nd Edition) by Bassam Halabi (Cisco Press,
2000)
Contacting HP
This section describes how to contact departments within HP.
Telephone numbers for worldwide technical support are listed on the following HP
web site: http://www.hp.com/support
For example, the North American technical support number is 800-633-3600.
. From this web site, select the country of origin.
INTRODUCTION
NOTE: For continuous quality improvement, calls may be recorded or monitored.
Be sure to have the following information available before calling:
Technical support registration number (if applicable)
Product serial numbers
Product model names and numbers
Applicable error messages
Operating system type and revision level
Detailed, specific questions
HP Storage Web Site
The HP web site has the latest information on this product, as well as the latest drivers.
Access the storage site at: http://www.hp.com/country/us/en
From this web site, select the appropriate product or solution.
/prodserv/storage.html.
HP STORAGEWORKS EFS WAN ACCELERATOR MANAGEMENT CONSOLE USER GUIDE 11
12 INTRODUCTION
1 OVERVIEWOFTHE HP EFS
WAN A
CHAPTER 1Overview of the HP EFS WAN
Accelerator Management Console
In This ChapterThis chapter introduces the Management Console. This chapter includes the following
sections:
“Connecting to the Management Console,” next
“Navigating in the Management Console” on page 16
NOTE: If you prefer, you can use the HP EFS WAN Accelerator Command Line Interface
(CLI) to perform configuring and monitoring tasks. For detailed information, see the HP
StorageWorks Enterprise File Services WAN Accelerator Command Line Interface Reference
Manual.
This chapter assumes you have installed and configured the HP EFS WAN
Accelerator. For detailed information, see the HP StorageWorks Enterprise File Services WAN Accelerator Installation and Configuration Guide.
CCELERATOR
This chapter also assumes you are familiar with the various deployment options
available to you. For detailed information, see the HP StorageWorks Enterprise File Services WAN Accelerator Deployment Guide.
Connecting to the Management Console
You can connect to the Management Console through any supported Web browser.
Connecting to
the
Management
Console
HP STORAGEWORKS EFS WAN ACCELERATOR MANAGEMENT CONSOLE USER GUIDE 13
To connect to the Management Console you must know the Uniform Resource Locator
(URL) and administrator password that you assigned in the configuration wizard of the
HP EFS WAN Accelerator. For detailed information, see the HP StorageWorks Enterprise File Services WAN Accelerator Installation and Configuration Guide.
NOTE: Cookies and Javascript must be enabled in your Web browser.
To connect to the
Management Console
1. Enter the URL for the Management Console in the location box of your Web
browser:
protocol://host.domain
protocol is http or https. Hypertext Transport Protocol Secure (HTTPS) uses the
Secure Sockets Layer (SSL) protocol to ensure a secure environment. If you use
HTTPS to connect, you are prompted to inspect and verify the SSL key.
host is the host name you assigned to the HP EFS WAN Accelerator during initial
configuration. If your Domain Name Service (DNS) server maps that IP address
to a name, you can specify the DNS name.
domain is the full domain name for the appliance.
TIP: Alternatively, you can specify the IP address instead of the host and domain name.
The Management Console appears, displaying the Welcome page.
Figure 1-1. Welcome Page
2. In the Account text box, type the user login: admin, monitor, or a login from a
Remote Authentication Dial-In User Service (RADIUS), or a Terminal Access
Controller Access Control System (TACACS+) database. The default login is
admin.
Users with administrator (admin) privileges can configure and administer the HP
EFS WAN Accelerator. Users with monitor (monitor) privileges can view HP
EFS WAN Accelerator reports and system logs.
3. In the Password text box, type the password you assigned in the configuration
wizard of the HP EFS WAN Accelerator. (The HP EFS WAN Accelerator is
shipped with the default password: password.)
4. Click Login to display the Home: Welcome page. The Home: Welcome page
summarizes the current status of your system and provides links to connected
appliances, a traffic summary, alarms, system logs, and technical support
information.
14 OVERVIEWOFTHE HP EFS WAN ACCELERATOR MANAGEMENT CONSOLE
The Home:
Welcome Page
The Management Console Home: Welcome page includes the current status of the HP
EFS WAN Accelerator and the Traffic Overview report.
Figure 1-2. The Home: Welcome Page
1 OVERVIEWOFTHE HP EFS
WAN A
CCELERATOR
HP STORAGEWORKS EFS WAN ACCELERATOR MANAGEMENT CONSOLE USER GUIDE 15
The following table describes the information included in the Home: Welcome page.
FieldDescription
Status BarThe status bar appears on every page of the Management Console and displays the current
status of the system. To check the status of the system, click the link in the status bar. For
detailed information about system alarms, see “Viewing Alarm Status Reports” on
page 185. The HP EFS WAN Accelerator can be in one of the following states:
• Healthy. All systems are functioning properly.
• Degraded. A system alarm has been triggered. Alarms are triggered for software
version mismatches, abnormal memory page swapping activity, when the CPU
utilization threshold has been reached, or on the Series 5000 and 3000, if there is a
Redundant Array of Independent Disks (RAID) issue. For detailed information about
system alarms, see “Viewing Alarm Status Reports” on page 185.
• Critical. Critical indicates one of the following states:
– Bypass Mode. The HP EFS WAN Accelerator service is not functioning or the HP
EFS WAN Accelerator is in bypass mode. For detailed information, see “Starting
and Stopping Services” on page 144.
– Unlicensed. The HP EFS WAN Accelerator does not have a a base license key or
the key has expired. For detailed information, see “Updating Your Licenses” on
page 137.
– Corrupted Store. The HP EFS WAN Accelerator data store is corrupt. For detailed
information, see “Starting and Stopping Services” on page 144.
– Service Halted. The HP EFS WAN Accelerator has detected a software error that
prevents the HP EFS WAN Accelerator service from continuing. For detailed
information, see “Starting and Stopping Services” on page 144.
• Connection Limit. The system has reached the maximum number of connections for
this model of the HP EFS WAN Accelerator. For detailed information about system
alarms, see “Viewing Alarm Status Reports” on page 185.
TIP: The status bar alerts you if you need to save your configuration changes to memory.
To save your changes, click the link in the status bar.
System Up
Time
Service Up
Time
TemperatureThe current Central Processing Unit (CPU) temperature. An alarm is raised if the
Total time the system has been active.
The state of the HP EFS WAN Accelerator service. The total time the HP EFS WAN
Accelerator has been running or Not Running is displayed. To restart the HP EFS WAN
Accelerator service, see “Starting and Stopping Services” on page 144.
temperature rises above 70º C.
Navigating in the Management Console
The following section describes how to navigate in the Management Console.
Navigating in
the
Management
Console
16 OVERVIEWOFTHE HP EFS WAN ACCELERATOR MANAGEMENT CONSOLE
You navigate to the tools and reports available to you in the Management Console
using hyperlinked tabs and menus.
The following figure illustrates the tabs and menus that appear on each page of the
Management Console.
Figure 1-3. Management Console, The Home: Welcome Page
Click tabbed pages to display configuration and
administration tools, reports, logs, and online help.
Menus for tasks you can perform
from tabbed pages appear on the
left of the Console.
Click Logout to log out of
the system.
Click the Printer icon to print
a page or report. Click the
Book icon to display online
help.
1 OVERVIEWOFTHE HP EFS
WAN A
CCELERATOR
TIP: To revisit the Home: Welcome page, click Home in the navigation bar.
HP STORAGEWORKS EFS WAN ACCELERATOR MANAGEMENT CONSOLE USER GUIDE 17
Tabbed Pages and
Menus
You click the hyperlinked tabs to display tools and reports to help you configure and
manage your HP EFS WAN Accelerator. The following table summarizes the purpose
of each tabbed page.
TabPurpose
HomeDisplays the current status of your system and provides
links to connected appliances, a traffic summary, alarms,
system logs, and technical support information.
SetupConfigure and administer the HP EFS WAN Accelerator.
ReportsCreate and view performance, network, and appliance
reports.
Logging View system logs.
HelpDisplay contact information for technical support, and the
online-help table of contents.
When you click a hyperlinked tab, a menu for the tasks you can perform appears in the
left menu of the Management Console. For example, when you click the Setup tab, the
Setup menu appears.
Menu items are hyperlinks to pages that display tools and reports to help you configure
and manage your HP EFS WAN Accelerator. When you click a menu item, you display
the primary tool or report for the menu choice.
Saving Your
Configuration
Restarting the HP
EFS WAN
Accelerator
Service
Printing Pages and
Reports
As you Apply page settings, the values are applied to the running configuration and an
orange exclamation point (!) appears in the left menu to remind you to permanently
save your configuration settings to disk.
NOTE: The status bar at the top of each page also alerts you if the changes you have made
require you to save them to disk. To save your changes, click the link in the status bar to go to
the Configuration Manager page.
For detailed information about saving your configuration to disk, see “Managing
Configurations” on page 139.
Some configuration settings apply to the HP EFS WAN Accelerator service. The HP
EFS WAN Accelerator service is a daemon that executes in the background performing
operations when required.
If the new settings require you to restart the HP EFS WAN Accelerator service an
orange exclamation point (!) appears in the left menu to remind you to restart the
service. For detailed information, see “Starting and Stopping Services” on page 144.
You can print Management Console pages and reports.
To print pages and
reports
18 OVERVIEWOFTHE HP EFS WAN ACCELERATOR MANAGEMENT CONSOLE
• Click the Printer icon in the upper right-side of the page to display a printer-
friendly version of the page.
Displaying Online
Help
You can view online help that describes each page of the Management Console and the
tasks that you can perform.
To display online help• Click the Book icon in the upper right-side of the page. The help for the page
appears in a new browser window.
The Help tab provides you with the following links to help you administer and manage
the HP EFS WAN Accelerator:
Technical Support. Displays HP Technical Support contact information.
Online Help. Displays the online help table of contents.
Logging OutClick the Logout link to end your session and require subsequent users to authenticate
their session. When you click Logout, the Management Console displays the GoodBye page.
To log out of the
Management Console
• Click Logout to display the Good-Bye page and log out of the Management
Console.
1 OVERVIEWOFTHE HP EFS
WAN A
CCELERATOR
HP STORAGEWORKS EFS WAN ACCELERATOR MANAGEMENT CONSOLE USER GUIDE 19
20 OVERVIEWOFTHE HP EFS WAN ACCELERATOR MANAGEMENT CONSOLE
2 CONFIGURINGTHE HP EFS
WAN A
CHAPTER 2Configuring the HP EFS WAN
Accelerator
In This ChapterThis chapter describes how to configure and manage the HP EFS WAN Accelerator
using the Management Console. This chapter includes the following sections:
“Setting Optimization Services,” next
“Setting Host Parameters” on page 52
“Setting Advanced Network Parameters” on page 65
“Enabling Proxy File Service” on page 99
“Creating Port Labels” on page 113
“Setting Report Parameters” on page 115
“Setting Logging Options” on page 123
“Setting the Date and Time” on page 125
“Setting Authentication Methods” on page 127
CCELERATOR
“Managing Licenses” on page 137
“Viewing Scheduled Jobs” on page 138
“Managing Configurations” on page 139
“Upgrading Your Software” on page 142
“Starting and Stopping Services” on page 144
“Rebooting the HP EFS WAN Accelerator” on page 145
“Shutting Down the HP EFS WAN Accelerator” on page 145
This chapter assumes that you have installed and configured the HP EFS WAN
Accelerator. For detailed information, see the HP StorageWorks Enterprise File Services WAN Accelerator Installation and Configuration Guide.
If you prefer, you can use the HP EFS WAN Accelerator Command Line Interface
(CLI) to configure your system. For detailed information, see the HP StorageWorks
Enterprise File Services WAN Accelerator Command Line-Interface Reference
Manual.
HP STORAGEWORKS EFS WAN ACCELERATOR MANAGEMENT CONSOLE USER GUIDE 21
Setting Optimization Services
This section describes how to set optimization service parameters for the HP EFS
WAN Accelerator. It includes the following sections:
“Enabling In-Path and Out-of-Path Support,” next
“Setting In-Path Rules” on page 25
“Modifying In-Path Descriptions” on page 30
“Configuring CIFS Protocol Support” on page 31
“Configuring MAPI Protocol Options” on page 34
“Configuring MS-SQL Protocol Options” on page 36
“Enabling the NFS-Application Streamlining” on page 38
“Modifying NFS Server Settings” on page 39
“Enabling HSTCP Protocol Options” on page 42
“Enabling Connection Pooling” on page 44
“Enabling Transparent Prepopulation” on page 46
Enabling InPath and Out-ofPath Support
“Enabling and Synchronizing Prepopulation Shares” on page 47
You can modify general in-path and out-of-path interface settings in the Optimization
Service - General Settings Page.
NOTE: You were prompted to enable in-path or out-of-path support when you completed the
installation wizard. This section describes how you can modify these settings.
The following types of deployments are available to you:
Physical In-Path. The HP EFS WAN Accelerator is physically in the direct path
between the client and server. The clients and servers continue to see client and
server IP addresses. Physical in-path configurations are suitable for any location
where the total bandwidth is within the limits of the installed HP EFS WAN
Accelerator.
Virtual In-Path. The HP EFS WAN Accelerator is virtually in the path between
the client and server. This differs from a physical in-path in that a packet
redirection mechanism is used to direct packets to HP EFS WAN Accelerators
that are not in the physical path. Redirection mechanisms include Web Cache
Communication Protocol (WCCP), Layer 4 (L4) switches, and Policy-Based
Routing (PBR). In this configuration, clients and servers continue to see client
and server IP addresses.
Out-of-Path. The HP EFS WAN Accelerator is not in the direct path between the
client and the server. Servers see the IP address of the server-side HP EFS WAN
Accelerator rather than the client IP address, which might impact security
policies. An out-of-path configuration is suitable for data center locations where
physically in-path or virtually in-path configurations are not possible.
22 CONFIGURINGTHE HP EFS WAN ACCELERATOR
For detailed information about in-path and out-of-path deployments, see the HP
StorageWorks Enterprise File Services WAN Accelerator Deployment Guide.
To enable in-path or
out-of-path support
If you have an HP EFS WAN Accelerator that contains multiple two-port or four-port
bypass cards, the Management Console displays options to enable in-path support for
these ports. The number of these interface options depends on the number of pairs of
Local Area Network (LAN) and Wide Area Network (WAN) ports that you have
enabled in your HP EFS WAN Accelerator.
1. Click the Setup tab to display the Optimization Service - General Settings page.
Figure 2-1. Optimization Service - General Settings Page
2 CONFIGURINGTHE HP EFS
WAN A
CCELERATOR
HP STORAGEWORKS EFS WAN ACCELERATOR MANAGEMENT CONSOLE USER GUIDE 23
2. Use the controls to complete the configuration, as described in the following table.
ControlDescription
In-Path Enable In-Path Support. Specify this option to enable optimization on traffic that is in
the direct path of the client, server, and HP EFS WAN Accelerator.
Reset Existing Client Connections on Startup. Specify this option to enable kickoff. If
you enable kickoff, connections that exist when the HP EFS WAN Accelerator service is
started and restarted are disconnected. When the connections are retried they are
optimized.
Generally, connections are short lived and kickoff is not necessary. It is suitable for very
challenging remote environments. For example, in an environment with 128 kbps and 1.5
seconds of latency, you might want to abort an HTTP download so that your traffic is
optimized, whereas in a remote branch-office with a T1 and 35 ms round-trip time, you
would want connections to migrate to optimization gracefully, rather than risk
interruption with kickoff.
NOTE: Do not enable kickoff for in-path HP EFS WAN Accelerators that use autodiscovery or if you do not have an HP EFS WAN Accelerator on the remote side of the
network.
Enable L4/PBR/WCCP Support on Interface <interface_name>. Specify this option
to enable optional, virtual in-path support on the named interface. External traffic
redirection is supported only on the first in-path interface. The following redirection
methods are available:
• Layer-4 Switch. You enable Layer-4 switch support when you have multiple HP EFS
WAN Accelerators in your network, so that you can manage large bandwidth
requirements.
• Policy-Based Routing (PBR). PBR allows you to define policies to route packets
instead of relying on routing protocols. You enable PBR to redirect traffic that you
want optimized by an HP EFS WAN Accelerator that is not in the direct physical path
between the client and server.
• Web Cache Communication Protocol (WCCP). If your network design requires you
to use WCCP, a packet redirection mechanism directs packets to HP EFS WAN
Accelerators that are not in the direct physical path to ensure that they are optimized.
For detailed information about configuring Layer-4 switch, PBR, and WCCP
deployments, see the HP StorageWorks Enterprise File Services WAN Accelerator Deployment Guide.
Enable Optimizations on Interface <interface_name>. Specify this option to enable
in-path support for additional bypass cards.
If you have an HP EFS WAN Accelerator that contains multiple two-port or four-port
bypass cards, the Management Console displays options to enable in-path support for
these ports. The number of these interface options depends on the number of pairs of
LAN and WAN ports that you have enabled in your HP EFS WAN Accelerator.
The interface names for the bypass cards are a combination of the slot number and the
port pairs (inpath<slot>_<pair>, inpath<slot>_<pair>). For example, if a four-port
bypass card is located in slot 0 of your appliance, the interface names are: inpath0_0 and
inpath0_1. Alternatively, if the bypass card is located in slot 1 of your appliance, the
interface names are: inpath1_0 and inpath1_1. The maximum number of pairs is six,
which is three four-port bypass cards.
For detailed information about installing additional bypass cards, see the HP
StorageWorks Enterprise File Services N4c WAN Accelerator 4-port NIC Installation
Guide.
24 CONFIGURINGTHE HP EFS WAN ACCELERATOR
ControlDescription
Out-of-PathEnable Out-of-Path Support. Specify this option to enable out-of-path support. You
enable out-of-path support on server-side HP EFS WAN Accelerators only.
NOTE: If you set up an out-of-path configuration with failover support, you must set
fixed target rules that specify the master and backup HP EFS WAN Accelerators. For
detailed information, see “Setting In-Path Rules” on page 25.
Connection LimitPer Source IP Connection Limit. Check this box to limit half-opened connections on a
source IP address initiating connections (that is, the client machine). Set this feature to
block a source IP address that is opening multiple connections to invalid hosts or ports
simultaneously (for example, a virus or a port scanner). This feature does not prevent a
source IP address from connecting to valid hosts at a normal rate. Thus a source IP
address could have more established connections than the limit. The default value is
4096.
The appliance counts the number of half-opened connections for a source IP address
(connections that check if a server connection can be established before accepting the
client connection). If the count is above the limit, new connections from the source IP
address are passed through unoptimized.
NOTE: If you have a client connecting to valid hosts or ports at a very high rate, some of
its connections might be passed through even though all the connections are valid.
3. Click Apply to apply your settings to the running configuration. (Apply your
settings to test a new configuration before saving them permanently.)
2 CONFIGURINGTHE HP EFS
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Setting In-Path
Rules
4. Click Save to save your settings permanently or click Reset to return the settings
to their previous values.
You set in-path configuration rules in the Optimization Service - In-Path Rules page.
An in-path rule defines the policies for intercepting traffic on specified ports for
optimization.
You can create rules that apply to a single port or to a port label. A port label is a name
that you assign to a set of ports so that you can reduce the number of configuration
rules in your system. The following port labels are created by default in your system:
Interactive. Automatically passes through traffic on interactive ports (for
example, Telnet, TCP ECHO, remote logging, and shell).
Secure. Automatically pass-through traffic on commonly secure ports (for
example, ssh, https, and smtps).
RBT-Proto. Specifies well-known ports used by the system: 7800-7801 (in-path),
If you do not want to automatically forward these ports, click Remove Selected Rules
in the Optimization Service - In-Path Rules page.
For detailed information about how to configure port labels, see “Creating Port
Labels” on page 113.
HP STORAGEWORKS EFS WAN ACCELERATOR MANAGEMENT CONSOLE USER GUIDE 25
For a list of interactive and secure ports that are automatically forwarded, see
Appendix A, “HP EFS WAN Accelerator Ports.”
To set an in-path rule1. Click the Setup tab to expand the Optimization Service menu.
2. Click In-Path Rules to display the Optimization Service - In-Path Rules page.
Figure 2-2. Optimization Service - In-Path Rules Page
26 CONFIGURINGTHE HP EFS WAN ACCELERATOR
3. Use the controls to complete the configuration, as described in the following table.
ControlDescription
Add New RuleType. Select one of the following rule types from the drop-down list:
• Auto-Discovery. Auto-discovery is the process by which the HP EFS WAN
Accelerator automatically intercepts and optimizes traffic on all Internet Protocol (IP)
addresses and ports. By default, auto-discovery is applied to all IP addresses and the
ports which are not secure or interactive. Defining in-path rules modifies this default
setting.
• Fixed-Target. Use fixed-target rules to specify out-of-path HP EFS WAN Accelerators
near the target server that you want to optimize. Determine which servers you would
like a particular HP EFS WAN Accelerator to optimize (and, optionally, which ports),
and add rules to specify the network of servers, ports, port labels, and out-of-path HP
EFS WAN Accelerators to use.
• Pass-Through. Pass-through rules identify traffic that is passed through the network
unoptimized. You define pass-through rules to exclude subnets from optimization.
Traffic is also passed through when the HP EFS WAN Accelerator is in bypass mode.
(Pass through might be occur because of in-path rules or because the connection was
established before the HP EFS WAN Accelerator was put in place or before the HP
EFS WAN Accelerator service was enabled.)
• Discard. Packets for the connection that match the rule are dropped silently. The HP
EFS WAN Accelerator filters out traffic that matches the discard rules. This process is
similar to how routers and firewalls drop disallowed packets: the connection-initiating
device has no knowledge of the fact that its packets were dropped until the connection
times out.
• Deny. When packets for connections match the deny rule, the appliance actively tries
to reset the connection. Deny tells the HP EFS WAN Accelerator to actively try to reset
a TCP connection being attempted. Using an active reset process, rather than a silent
discard allows the connection initiator to know that its connection is disallowed.
If you have an out-of-path configuration with failover support, you specify the master
and backup HP EFS WAN Accelerator in the Optimization Service - In-Path Rules page.
NOTE: In out-of-path deployments, to optimize MAPI Exchange 2003 by destination
port, you must define fixed-target, in-path rules that specify the following ports on the
client-side HP EFS WAN Accelerator: the Microsoft end-point mapper port: 135; the HP
EFS WAN Accelerator port for Exchange traffic: 7830; the HP EFS WAN Accelerator
port for Exchange Directory Name Service Provider Interface (NSPI) traffic: 7840. For
detailed information, see “Optimizing MAPI Exchange in Out-of-Path Deployments” on
page 34.
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Source Subnet. Specify the IP address for the source network in the Source Subnet text
box. Use the following format: XXX.XXX.XXX.XXX/XX.
Destination Subnet. Specify the IP address for the destination network. Use the
following format: XXX.XXX.XXX.XXX/XX.
Port. Specify the destination port number, port label, or all. For detailed information on
port labels, see “Creating Port Labels” on page 113.
HP STORAGEWORKS EFS WAN ACCELERATOR MANAGEMENT CONSOLE USER GUIDE 27
ControlDescription
Add New Rule cont.Insert Rule At. Select start, end, or a rule number from the drop-down list.
HP EFS WAN Accelerators evaluate rules in numerical order starting with rule 1. If the
conditions set in the rule match, then the rule is applied, and the system moves on to the
next packet. If the conditions set in the rule do not match, the system consults the next
rule. For example, if the conditions of rule 1 do not match, rule 2 is consulted. If rule 2
matches the conditions, it is applied, and no further rules are consulted.
In general, you should list rules in the following order:
1. Pass-through. List the exceptions to optimization, first.
2. Fixed-target. List any fixed-targets for optimization, next.
3. Auto-discovery. Apply the default rule: optimize all remaining traffic. (The default
auto-discovery rule is listed automatically.)
Add Rule. Specify this option to add the rule to the rules list.
Remove Selected Rules. To remove an entry, click the check box next to the and entry and click Remove Selected Rules.
Move Rule. Use the Move Rule drop-down list and button to change the order in which
rules are evaluated.
28 CONFIGURINGTHE HP EFS WAN ACCELERATOR
ControlDescription
Advanced OptionsVLAN Tag ID. Select the VLAN identification number from the drop-down list to set
the VLAN tag identification number (VLAN ID). All specifies the rule applies to all
VLANs; Untagged specifies the rule applies to non-tagged connections.
The HP EFS WAN Accelerator supports VLAN 802.1q. To configure VLAN tagging you
perform the following tasks:
• You configure in-path rules to apply to all VLANs or to a specific VLAN. By default,
rules apply to all VLAN values unless you specify a particular VLAN ID. Pass-through
traffic maintains any pre-existing VLAN tagging between the LAN and WAN
interfaces.
• You set the in-path interfaces, VLAN tag IDs to define the VLAN tag that the HP EFS
WAN Accelerator uses to communicate with other HP EFS WAN Accelerator. For
detailed information, see “Setting In-Path Interfaces” on page 54.
Optimization Policy. Optionally, if you have selected an Auto-Discovery or Fixed
Ta rg et rule, you can configure the following types of optimization policies:
• Normal. Perform Lempel-Ziv (LZ) compression and Scalable Data Referencing
(SDR).
• SDR-Only. Perform SDR; do not perform LZ compression.
• Compression-Only. Perform LZ compression; do not perform SDR.
• None. Do not perform SDR or LZ compression.
Setting an optimization policy allows you more flexibility in applying optimization
techniques. For example, if you have a network that requires 45 Mbps or higher with
abundant bandwidth, you do not need to perform LZ compression to obtain maximum
optimization of data. Turning off LZ compression also increases throughput on large
bandwidth networks.
To configure optimization policies for the File Transfer Protocol (FTP) data channel,
define an in-path rule with the destination port 20 and set its optimization policy. Setting
QoS for port 20 on the client-side HP EFS WAN Accelerator effects passive FTP, while
setting the QoS for port 20 on the server-side HP EFS WAN Accelerator effects active
FTP.
To configure optimization policies for the Messaging Application Protocol Interface
(MAPI) data channel, define an in-path rule with the destination port 7830 and set its
optimization policy.
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ControlDescription
Advanced Options cont.Neural Framing. Optionally, if you have selected Auto-Discovery or Fixed Target, you
can select a neural framing mode for the in-path rule. Neural framing enables the
appliance to select the optimal packet framing boundaries for SDR. Neural framing
creates a set of heuristics to intelligently determine the optimal moment to flush TCP
buffers. The appliance continuously evaluates these heuristics and uses the optimal
heuristic to maximize the amount of buffered data transmitted in each flush, while
minimizing the amount of idle time that the data sits in the buffer. You can specify the
following neural framing settings:
• Never. Never use the Nagle algorithm. All the data is immediately encoded without
waiting for timers to fire or application buffers to fill past a specified threshold. Neural
heuristics are computed in this mode but are not used.
• Always. Always use the Nagle algorithm. All data is passed to the codec which
attempts to coalesce consume calls (if needed) to achieve better fingerprinting. A timer
(6 ms) backs up the codec and causes leftover data to be consumed. Neural heuristics
are computed in this mode but are not used.
• Transmission Control Protocol (TCP) Hints. This is the default setting which is
based on the TCP hints. If data is received from a partial frame packet or a packet with
the TCP PUSH flag set, the encoder encodes the data instead of immediately
coalescing it. Neural heuristics are computed in this mode but are not used.
• Dynamic. Dynamically adjust the Nagle parameters. In this option, the HP EFS WAN
Accelerator software discerns the optimum algorithm for a particular type of traffic and
switches to the best algorithm based on traffic characteristic changes.
For different types of traffic, one algorithm may be better than others. The considerations
include: latency added to the connection, compression, and SDR performance.
To configure neural framing for an FTP data channel, define an in-path rule with the
destination port 20 and set its optimization policy. To configure neural framing for a
MAPI data channel, define an in-path rule with the destination port 7830 and set its
optimization policy.
Additional OptionsEnable Computation of Neural Heuristics. Optionally, check this box to enable
optimal packet framing boundaries for SDR.
Update. Click Update to apply your settings to the running configuration.
Remove Selected Rules. To remove an entry, click the check box next to the entry and click Remove Selected Rules.
4. Click Save to save your settings permanently or click Reset to return the settings
to their previous values.
Modifying InPath
You can modify the description of your in-path rules in the Optimization Service - InPath Rules Edit page.
Descriptions
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