Brocade Communications Systems PowerConnect B-FCXs, IronWare Release Note

Document Title

Summary of Changes

Publication Date

IronWare Software Release

07.2.00a for Brocade FESX, FSX, SX, FCX, FGS, FGS-STK, FLS, FLS-STK, and FWS Switches Release Notes v1.0

New document

November 2010

IronWare Software Release R07.2.00a for Brocade FESX, FSX, SX, FCX, FGS, FGSSTK, FLS, FLS-STK, and FWS Switches

Release Notes v1.0

November 15, 2010

Document History

SecureIron, ServerIron, StorageX, and TurboIron are registered trademarks, and DCFM, Extraordinary Networks, and SAN Health are trademarks of Brocade Communications Systems, Inc., in the United States and/or in other countries. All other brands, products, or service names are or may be trademarks or service marks of, and are used to identify, products or services of their respective owners.

Notice: The information in this document is provided “AS IS,” without warranty of any kind, including, without limitation, any implied warranty of merchantability, noninfringement or fitness for a particular purpose. Disclosure of information in this material in no way grants a recipient any rights under Brocade's patents, copyrights, trade secrets or other intellectual property rights. Brocade reserves the right to make changes to this document at any time, without notice, and assumes no responsibility for its use.

The authors and Brocade Communications Systems, Inc. shall have no liability or responsibility to any person or entity with respect to any loss, cost, liability, or damages arising from the information contained in this book or the computer programs that accompany it.

Notice: The product described by this document may contain “open source” software covered by the GNU General Public License

or other open source license agreements. To find-out which open source software is included in Brocade products, view the licensing terms applicable to the open source software, and obtain a copy of the programming source code, please visit http://www.brocade.com/support/oscd.

Export of technical data contained in this document may require an export license from the United States Government.

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Contents

Supported devices .........................................................................................................5

Summary of enhancements .......................................................................................5

Summary of enhancements in R07.2.00a ................................................................................................. 5

Summary of enhancements in FSX R07.2.00 ........................................................................................... 5

Summary of enhancements in FCX R07.2.00 ........................................................................................... 8

Summary of enhancements in FGS R07.2.00 ........................................................................................... 9

CLI differences in IronWare release R07.2.00a....................................................................................10

Configuration notes and feature limitations .........................................................................................10

New limit for IPv4 system-max ip-cache .................................................................................................................. 10

IronView Network Manager (INM) limitation ....................................................................................................... 11

ACL Statistics on FGS, FLS, and FWS devices.......................................................................................................... 11

IGMP Snooping feature limitation on FESX, FSX, and SX devices ................................................................ 11

Show interface brief command output ...................................................................................................................... 11

ICMP redirect messages .................................................................................................................................................... 11

Enabling and Disabling DHCP-client service on FSX Base Layer 3 devices ............................................ 11

Note regarding Telnet and Internet Explorer 7 .................................................................................................... 12

Note regarding US-Cert advisory 120541 ............................................................................................................... 13

Feature support .......................................................................................................... 14

Supported management features ..............................................................................................................14

Supported security features ........................................................................................................................16

Supported system-level features ...............................................................................................................18

Supported Layer 2 features .........................................................................................................................22

Supported base Layer 3 features ...............................................................................................................25

Supported edge Layer 3 features...............................................................................................................25

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Supported full Layer 3 features .................................................................................................................27

Supported IPv6 management features ....................................................................................................29

Unsupported features....................................................................................................................................30

Software image files for IronWare release R07.2.00a ................................... 32

Factory pre-loaded software .......................................................................................................................32

Upgrading the software ............................................................................................ 33

Important notes about upgrading or downgrading the software .................................................33

Upgrading the software to the new release ...........................................................................................34

Upgrading the boot code ................................................................................................................................................... 34

Upgrading the flash code .................................................................................................................................................. 35

Confirming software versions (IronStack devices) ............................................................................................ 36

Technical support ...................................................................................................... 37

Getting help or reporting errors ........................................................................... 37

Web access .........................................................................................................................................................37

E-mail and telephone access .......................................................................................................................37

Additional resources ................................................................................................. 37

Defects ............................................................................................................................ 39

Customer reported defects closed with code in Release R07.2.00a .............................................39

Customer reported defects closed with code in Release R07.2.00................................................41

Customer reported defects closed without code in Release R07.2.00 .........................................49

Open defects in Release R07.2.00 .............................................................................................................49

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Supported devices

Feature

Description

Refer to the FastIron Configuration Guide, section entitled...

New hardware - SX-FI48GPP interface module with 2:1 oversubscription and PoE+ support

48-port 10/100/1000 Mbps (RJ45) Ethernet POE interface module

Refer to the Brocade FastIron X

Series Chassis Hardware Installation Guide

POE+ support on the SXFI48GPP interface module

The SX-FI48GPP interface module supports Power over Ethernet (POE) and Power over Ethernet Plus (POE+), compliant with the standards described in the IEEE 802.3af and

802.3at specifications for delivering in-line power.

Configuring Power Over Ethernet

This software release applies to the following Brocade FastIron switches:

FastIron X Series:

FastIron Edge Switch X Series (FESX) FastIron Edge Switch X Series Expanded (FESXE) FastIron SuperX Switch (FSX) FastIron SX 800, 1600, and 1600-ANR

FastIron GS (FGS) and FastIron LS (FLS) FastIron GS-STK (FGS-STK) and FastIron LS-STK (FLS-STK) FastIron CX (FCX) FastIron WS (FWS)

Summary of enhancements

This section lists the enhancements in software release 07.2.00 and later.

Summary of enhancements in R07.2.00a

There are no enhancements in release 07.2.00a. Release 07.2.00a contains software fixes; however, software release 07.2.00a has a different Interprocessor Communications (IPC ) version for FCX, FGSSTK, and FLS-STK. Refer to the section “Upgrading the software” on page 33 for details.

Summary of enhancements in FSX R07.2.00

Table 1 lists the enhancements in software release 07.2.00 for FESX, FSX, and SX devices.

Table 1 Enhancements in FSX R07.2.00

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Release Notes v 1.0 Page 5 of 55

Feature

Description

Refer to the FastIron Configuration Guide, section entitled...

Hitless management:

Layer 2 and Layer 3

Hitless failover

Layer 3 Hitless OS upgrade

This release adds support for Layer 2 and Layer 3 hitless failover as well as Layer 3 hitless OS upgrade. Releases prior to 07.2.00a support Layer 2 hitless OS upgrade only. These high-availability features enable the standby management module to take over the active role with no loss of data traffic during a software failure, hardware failure, or operating system upgrade.

Hitless management on the FSX 800 and FSX 1600 OSPF graceful restart

OSPF graceful restart is a high-availability routing feature that minimizes disruption in traffic forwarding, diminishes route flapping, and provides continuous service during a system restart, switchover, failover, or hitless OS upgrade. During such events, routes remain available between devices.

OSPF graceful restart

BGP4 graceful restart

BGP4 graceful restart is a high-availability routing feature that minimizes disruption in traffic forwarding, diminishes route flapping, and provides continuous service during a system restart, switchover, failover, or hitless OS upgrade. During such events, routes remain available between devices.

BGP4 graceful restart

DHCP Server support in the Layer 2 and full Layer 3 software image

FastIron devices can be configured to operate as a DHCP server. A DHCP server allocates IP addresses for specified periods of time (known as leases) and manages the IP address pools and the binding (leased addresses) database.

DHCP Server

DHCP Client-Based Autoupdate

Enables Layer 2 and base Layer 3 devices to automatically obtain leased IP addresses through a DHCP server, negotiate address lease renewal, and obtain flash image and configuration files.

DHCP Client-Based AutoConfiguration and Flash image update

DHCP Server with IP helper

DHCP server and IP helper address are supported together on the same port.

DHCP Server and Configuring an IP helper address

Ability to disable DHCP Server on the management port

You can configure the DHCP Server to silently discard DHCP client requests received on the management port.

Disabling DHCP Server on the management port

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Feature

Description

Refer to the FastIron Configuration Guide, section entitled...

QoS for the SX-FI48GPP module

The SX-FI48GPP module supports QoS for packets in an oversubscribed environment. QoS configuration and functionality is different on the SX-FI48GPP compared to other interface modules.

Configuring Quality of Service

Buffer profiles on the SXFI48GPP module

To increase or decrease the queue depth limits for a port on the SX-FI48GPP module, you must configure a buffer profile that defines the queue depth limits, and apply the buffer profile to the port.

Dynamic buffer allocation for QoS priorities for FastIron X Series devices

IGMP snooping querier enhancement

You can use the show ip multicast vlan command to display the querier information for a VLAN. This command displays the VLAN interface status and if there is any other querier present with the lowest IP address.

Displaying querier information

Flexible VE numbering

When configuring virtual routing interfaces on a device, you can now specify a number from 1 through 4095. However, the total number of virtual routing interfaces that are configured must not exceed the system-max limit of 512.

Assigning an IP address to a virtual interface

New SNMP MIBs

SNMP MIB support has been added for the following features:

Dynamic ARP Inspection DHCP snooping IP Source Guard EMCP

IronWare MIB Reference Guide

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Release Notes v 1.0 Page 7 of 55

Summary of enhancements in FCX R07.2.00

Feature

Description

See the FastIron Configuration Guide, section entitled...

Hitless stacking:

Layer 2 and Layer 3

Hitless switchover

Layer 2 and Layer 3

Hitless failover

Hitless stacking is a high-availability feature set that enables the Standby Controller to take over the active role with sub-second or no loss of data traffic during a hardware or software failure.

FCX hitless stacking

OSPF graceful restart

OSPF graceful restart is a high-availability routing feature that minimizes disruption in traffic forwarding, diminishes route flapping, and provides continuous service during a system restart, switchover, or failover. During such events, routes remain available between devices.

OSPF graceful restart

BGP4 graceful restart

BGP4 graceful restart is a high-availability routing feature that minimizes disruption in traffic forwarding, diminishes route flapping, and provides continuous service during a system restart, switchover, or failover. During such events, routes remain available between devices.

BGP4 graceful restart

Private VLANs on tagged ports

For FCX devices only, this release supports private VLANs on tagged ports. Previous releases support private VLANs on untagged ports only.

Configuring private VLAN

IGMP snooping querier enhancement

You can use the show ip multicast vlan command to display the querier information for a VLAN. This command displays the VLAN interface status and if there is any other querier present with the lowest IP address.

Displaying querier information

Flexible VE numbering

When configuring virtual routing interfaces on a device, you can now specify a number from 1 through 4095. However, the total number of virtual routing interfaces that are configured must not exceed the system-max limit of 512.

Assigning an IP address to a virtual interface

Table 2 lists the enhancements in software release 07.2.00 for FCX devices.

Table 2 Enhancements in FCX R07.2.00

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Feature

Description

See the FastIron Configuration Guide, section entitled...

DHCP Server with IP helper

DHCP server and IP helper address are supported together on the same port.

DHCP Server and Configuring an IP helper address

Ability to disable DHCP Server on the management port

You can configure the DHCP Server to silently discard DHCP client requests received on the management port.

Disabling DHCP Server on the management port

New SNMP MIBs

SNMP MIB support has been added for the following features:

Dynamic ARP Inspection DHCP snooping IP Source Guard EMCP

IronWare MIB Reference Guide

Feature

Description

See the FastIron Configuration Guide, section entitled...

IGMP snooping querier enhancement

You can use the show ip multicast vlan command to display the querier information for a VLAN. This command displays the VLAN interface status and if there is any other querier present with the lowest IP address.

Displaying querier information

Flexible VE numbering

When configuring virtual routing interfaces on a device, you can now specify a number from 1 through 4095. However, the total number of virtual routing interfaces that are configured must not exceed the system-max limit of 512.

Assigning an IP address to a virtual interface DHCP Server with IP helper

DHCP server and IP helper address are supported together on the same port.

DHCP Server and Configuring an IP helper address

Summary of enhancements in FGS R07.2.00

Table 3 lists the enhancements in software release 07.2.00 for FGS, FGS-STK, FLS, FLS-STK, and FWS devices.

Table 3 Enhancements in FGS R07.2.00

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Release Notes v 1.0 Page 9 of 55

Feature

Description

See the FastIron Configuration Guide, section entitled...

New SNMP MIBs

SNMP MIB support has been added for the following features:

Dynamic ARP Inspection DHCP snooping IP Source Guard EMCP

IronWare MIB Reference Guide

CLI differences in IronWare release R07.2.00a

The FastIron Configuration Guide and the section “Configuration notes and feature limitations” in these release notes describe the CLI differences in IronWare release 07.2.00a compared with earlier releases. No CLI commands have been deprecated for this release.

Configuration notes and feature limitations

This section contains configuration notes and describes some feature limitations in this release.

48-port 10/100/1000 Mbps Ethernet POE (SX-FI48GPP) interface module limitations

The following configuration limitations apply to this module:

Q-in-Q and SAV (VLAN stacking) are not supported on this module. For systems with this module and IPv4 or IPv6 interface modules or management modules with user

ports:

GRE tunnels and IPv6 over IPv4 tunnels are not supported.

NOTE: If the SX-FI48GPP module is inadvertently inserted in a system that has IPv4 or IPv6 interface modules, or a management module with user ports, existing tunnels will be taken down immediately. To recover, you must physically remove the module that caused the mix-and-match condition, then disable and re-enable the tunnel interfaces.

Legacy ports and 48 Gbps copper ports cannot be members of the same trunk.

Virtual cable testing (CLI command phy cable-diag tdr) is not supported on the SX-FI48GPP module

in software release 07.2.00.

New limit for IPv4 system-max ip-cache

Starting in software release 07.2.00, for FCX and FastIron X Series devices, the maximum value for system-max ip-cache (IPv4) is reduced from 256000 to 32768. When you upgrade to release 07.2.00 and if your configuration has an ip-cache value greater than 32768, it will be automatically reduced to

32768.

IronWare Software Release 07.2.00a for Brocade FastIron switches

Release Notes v 1.0 Page 10 of 55

IronView Network Manager (INM) limitation

INM version 3.3.01 and later does not support download of the 07.2.00 router images (SXL07200.bin and SXR07200.bin). Also, with INM version 03.3.01 and later, it will take approximately six minutes to upload the Layer 2 switch image (SXS07200.bin) from the FastIron switch to a TFTP server.

ACL Statistics on FGS, FLS, and FWS devices

The FGS, FLS, and FWS do not support the use of traffic policies for ACL statistics only (CLI command traffic-policy <TPD name> count). However, these models do support the use of traffic policies for ACL

statistics together with rate limiting traffic policies. For more information, refer to “Enabling ACL statistics with rate limiting traffic policies” in the FastIron Configuration Guide.

IGMP Snooping feature limitation on FESX, FSX, and SX devices

High CPU utilization will occur when IGMP Snooping and PIM/DVMRP routing are enabled simultaneously on a FESX, FSX, or SX router. With IGMP Snooping and PIM/DVMRP Routing enabled simultaneously on a given system, IP Multicast data packets received in the snooping VLAN(s) will be forwarded to client ports via the hardware; however, copies of these packets will also be received and dropped by the CPU.

Show interface brief command output

If a port name is longer than 5 characters, the port name will be truncated in the output of the show interface brief command.

ICMP redirect messages

In software release 07.2.00, ICMP redirect messages are disabled by default, whereas in prior releases, ICMP redirect messages are enabled by default.

If ICMP redirect messages were enabled prior to upgrading to release 07.2.00, you will need to re-

enable this feature after upgrading to 07.2.00. To do so, enter the ip icmp redirect command at the global CONFIG level of the CLI.

If ICMP redirect messages were disabled prior to upgrading to release 07.2.00, the configuration (no

ip icmp redirect) will be removed from the configuration file after upgrading to 07.2.00, since this

feature is now disabled by default. In this case, ICMP redirect messages will not be sent and no further action is required.

Enabling and Disabling DHCP-client service on FSX Base Layer 3 devices

By default, DHCP-client service is enabled. If the DHCP-Server is connected to an interface on a FSX Base L3 device, the interface is assigned a leased IP address. To disable DHCP-client service on an interface on a FSX Base L3 device, and assign a new IP address, enter the following commands.

Note: In release 07.2.00, the DHCP-client service feature can only be enabled or disabled on a FSX Base L3 device by performing the following steps.

1. Remove the dynamic IP address assigned to the interface. For example, enter a command such

as the following.

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FastIron(config-if-e1000-3/1)# no ip address 10.10.10.10/24

Syntax: no ip address <ip-address>

2. Assign a new IP address to the interface. For example, enter a command such as the following.

FastIron(config-if-e1000-3/1)# ip address 10.10.2.1/24

Syntax: ip address <ip-address>

3. To save the configuration, enter the write memory command on the CLI as displayed in the

following example.

FastIron(config)# write memory

FastIron(config)# end

4. Reload the FSX Base L3 device by entering the following command:

FastIron# reload

The DHCP-client service feature is now removed from the interface.

To enable DHCP-client service on an interface on a FSX Base L3 device when a static IP address is assigned to the interface, enter the following commands.

1. Remove the static IP address assigned to the interface. For example, enter a command such as

the following.

FastIron(config-if-e1000-3/1)# no ip address 10.10.10.10/24

Syntax: no ip address <ip-address>

2. To save the configuration, enter the write memory command on the CLI as displayed in the

following example.

FastIron(config)# write memory

FastIron(config)# end

3. Reload the FSX Base L3 device by entering the following command:

FastIron# reload

Once the device has reloaded, the DHCP-client service will start up and a new dynamic IP address is assigned to the interface. The DHCP-client service feature is now enabled on the interface.

Note regarding Telnet and Internet Explorer 7

The Telnet function in Web management does not work with Internet Explorer version 7.0.5730. The system goes to "telnet://10.43.43.145" page when the user clicks web/general system configuration/ (telnet) in Internet Explorer version 7.0.5730. This is a known issue for Internet Explorer. To work around this issue, you must download and install a patch for IE 7. To do so, go to

http://www.lib.ttu.edu.tw/file/IE7_telnet.reg.

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Note regarding US-Cert advisory 120541

In order to address the SSL and TLS vulnerability issue discussed in US-Cert advisory 120541, the Web server re-negotiation feature has been disabled in this release so that SSL re-negotiation requests will not be honored by the Brocade IP device Web server.

Based on Cert advisory 120541, the Secure Sockets Layer (SSL) and Transport Layer Security (TLS) protocols are vulnerable to Man-In-The-Middle (MITM) attacks. Vulnerability is in the way SSL and TLS protocols allow re-negotiation requests, which may allow a MITM to inject arbitrary requests into an application HTTP protocol stream. This could result in a situation where the MITM may be able to harm the Brocade IP device through the Web Management interface.

For more information regarding Cert advisory 120541, refer to the following links:

http://extendedsubset.com/?p=8 http://www.links.org/?p=780 http://www.links.org/?p=786 http://www.links.org/?p=789 http://blogs.iss.net/archive/sslmitmiscsrf.html http://www.ietf.org/mail-archive/web/tls/current/msg03948.html https://bugzilla.redhat.com/show_bug.cgi?id=533125 http://lists.gnu.org/archive/html/gnutls-devel/2009-11/msg00014.html http://cvs.openssl.org/chngview?cn=18790 http://www.links.org/files/no-renegotiation-2.patch http://blog.zoller.lu/2009/11/new-sslv3-tls-vulnerability-mitm.html https://svn.resiprocate.org/rep/ietf-drafts/ekr/draft-rescorla-tls-renegotiate.txt http://www.educatedguesswork.org/2009/11/understanding_the_tls_renegoti.html

IronWare Software Release 07.2.00a for Brocade FastIron switches Release Notes v 1.0 Page 13 of 55

Feature support

Category and description

FESX FSX FSX 800 FSX 1600

FGS FLS

FGS-STK FLS-STK

FWS

FCX

802.1X accounting

Yes

AAA support for console commands

Yes

No

Yes

Access Control Lists (ACLs) for controlling management access

Yes

Yes Alias command

Yes

Combined DSCP and internal marking in one ACL rule

Yes

No

Single source address for the following packet types:

Telnet TFTP Syslog SNTP TACACS/TACACS+ RADIUS SSH SNMP

Yes

No

DHCP client-based auto-configuration

No

Yes

DHCP server

Yes

Disabling TFTP access

Yes

No

Yes

These release notes include a list of supported features in IronWare software for the FastIron devices supported in this release. For more information about supported features, refer to the manuals listed in Additional resources.

Supported management features

Table 4 lists the supported management features. These features are supported in the Layer 2, base Layer 3, edge Layer 3, and full Layer 3 software images.

Table 4 Supported management features

IronWare Software Release 07.2.00a for Brocade FastIron switches Release Notes v 1.0 Page 14 of 55

Category and description

FESX FSX FSX 800 FSX 1600

FGS FLS

FGS-STK FLS-STK

FWS

FCX

Hitless management:

Hitless switchover Hitless failover Hitless OS upgrade

Yes (FSX 800 and FSX 1600 only)

No

See next line item

Hitless stacking management:

Hitless stacking switchover Hitless stacking failover

No

Yes IronView Network Manager (optional

standalone and HP OpenView GUI)

Yes

Yes Remote monitoring (RMON)

Yes

Retaining Syslog messages after a soft reboot

Yes

Yes sFlow support for IPv6 packets

Yes

sFlow version 2

Yes

sFlow version 5 (default)

Yes

Industry-standard Command Line Interface (CLI), including support for:

Serial and Telnet access Alias command On-line help Command completion Scroll control Line editing Searching and filtering output Special characters

Yes

Show log on all terminals

Yes

SNMP v1, v2, v3

Yes

SNMP V3 traps

Yes

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Category and description

FESX FSX FSX 800 FSX 1600

FGS FLS

FGS-STK FLS-STK

FWS

FCX

Specifying the maximum number of entries allowed in the RMON Control Table

Yes

No

Yes Specifying which IP address will be included in a DHCP/BOOTP reply packet

Yes

No

Yes Traffic counters for outbound traffic

Yes

No

Web-based GUI

Yes

Web-based management HTTPS/SSL

Yes

Category and description

FESX FSX FSX 800 FSX 1600

FGS FLS

FGS-STK FLS-STK

FWS

FCX

802.1X port security

Yes

802.1X authentication RADIUS timeout action

Yes

802.1X dynamic assignment for ACL, MAC filter, and VLAN

Yes

Access Control Lists (ACLs) for filtering transit traffic

Support for inbound ACLs only.

Outbound ACLs are not supported.

Yes

Address locking (for MAC addresses)

Yes

AES Encryption for SNMP v3

Yes

AES Encryption for SSH v2

Yes

Supported security features

Table 5 lists the supported security features. These features are supported in the Layer 2, base Layer 3, edge Layer 3, and full Layer 3 software images.

Table 5 Supported security features

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Category and description

FESX FSX FSX 800 FSX 1600

FGS FLS

FGS-STK FLS-STK

FWS

FCX

Authentication, Authorization and Accounting (AAA):

RADIUS TACACS/TACACS+

Yes

Yes Denial of Service (DoS) attack protection:

Smurf (ICMP) attacks TCP SYN attacks

Yes

DHCP Snooping

Yes

Dynamic ARP Inspection

Yes

EAP Pass-through Support

Yes

HTTPS

Yes

IP Source Guard

Yes

Local passwords

Yes

MAC address filter override of 802.1X

Yes

MAC address filtering (filtering on source and destination MAC addresses)

Yes

Yes Ability to disable MAC learning

Yes

Flow-based MAC address learning

Yes

No

Yes

MAC port security

Yes

Multi-device port authentication

Yes

Support for Multi-Device Port Authentication together with:

Dynamic VLAN assignment

Yes

Dynamic ACLs

Yes

802.1X

Yes

Dynamic ARP inspection with

dynamic ACLs

Yes

No

IronWare Software Release 07.2.00a for Brocade FastIron switches Release Notes v 1.0 Page 17 of 55

Brocade Communications Systems PowerConnect B-FCXs, IronWare Release Note

Specifications and Main Features

Frequently Asked Questions

User Manual