Allied Telesis SB251-08 Instruction Manual

Simply connecting the world

Patch Release Note

Patch SB251-08

For SwitchBlade 4000 Series Switches and

AT-9800 Series Switches

Introduction

This patch release note lists the issues addressed and enhancements made in

patch SB251-08 for Software Release 2.5.1 on existing models of SwitchBlade

4000 Series Switches and AT-9800 Series Switches. Patch file details are listed in

Table 1.

This release note should be read in conjunction with the following documents:

■SwitchBlade Documentation Set for Software Release 2.5.1 (Document

Number C613-03057-00 Rev A).

■AT9800 Series Switches Documentation Set for Software Release 2.5.1

(Document Number C613-03056-00 Rev A)

■Release Note for Software Release 2.5.1 for SwitchBlade 4000 Switches and

AT-9800 Series Switches (Document Number C613-10354-00 Rev D)

available on the Documentation and Tools CD-ROM packaged with your

switch, or from www.alliedtelesyn.co.nz/documentation/documentation.html.

WARNING: Using a patch for a different model or software release may cause

unpredictable results, including disruption to the network. Information in this

release note is subject to change without notice and does not represent a

commitment on the part of Allied Telesyn International. While every effort has

been made to ensure that the information contained within this document and

the features and changes described are accurate, Allied Telesyn International

can not accept any type of liability for errors in, or omissions arising from the

use of this information.

Table 1: Patch file details for Patch SB251-08.

Base Software Release File sb-251.rez

Patch Release Date 14-May-2003

Compressed Patch File Name sb251-08.paz

Compressed Patch File Size 86524 bytes

2Patch Release Note

Patch SB251-08 for Software Release 2.5.1

C613-10361-00 REV H

Some of the issues addressed in this Release Note include a level number. This

number reflects the importance of the issue that has been resolved. For details

on level numbers, please contact your authorised distributor or reseller.

Features in SB251-08

Patch SB251-08 includes all issues resolved and enhancements released in

previous patches for Software Release 2.5.1, and the following enhancements:

A fatal error occurred when the ADD SWITCH TRUNK command specified

an invalid port. This issue has been resolved.

A fatal error occurred when removing a line card from a SwitchBlade if STP

was enabled. This issue has been resolved.

System performance was low when adding large numbers of entries to

CAM. This issue has been resolved. CAM is now initialised to allow better

performance, especially for the addition of ARP and IP entries.

The DELETE SWITCH TRUNK PORT command could cause an unrelated

port to stop forwarding packets, or learn new MAC addresses. This issue

has been resolved so that unrelated ports are not affected by the trunk group

port deletion.

All IP routes were being added to all switch instances. This caused issues on

SwitchBlade line cards that did not have enough CAM to store the routes,

and the line card did not always need every route. IP routes are now only

added:

• to a switch instance if the route was learned on that instance

• if the route is for an interface

• if the route was added statically, or

• if the switch instance has a CAM which is the same size or larger than

the CAM of the switch instance that the route was learned on.

An issue exists where the CAM entry 0 in the VLAN Tag table is either not

updated or is being overwritten with invalid data. This PCR adds

debugging to trace the fault.

PCR: 03251 Module: SWI Level: 2

PCR: 03414 Module: SWI Level: 2

PCR: 03466 Module: SWI Level: 2

PCR: 03470 Module: SWI Level: 2

PCR: 03509 Module: SWI Level: 2

PCR: 03518 Module: SWI Level: 3

Patch SB251-08 For SwitchBlade 4000 Series Switches and AT-9800 Series Switches 3

Patch SB251-08 for Software Release 2.5.1

C613-10361-00 REV H

Features in SB251-07

Patch file details are listed in Table 2:

Patch SB251-07 includes all issues resolved and enhancements released in

previous patches for Software Release 2.5.1, and the following enhancements:

With this enhancement:

• STP and Port Trunking now work together correctly.

• BDPU Forwarding is implemented. The BPDU Forwarding feature

configures the switch to forward all received STP BPDUs. Under

normal circumstances, the switch will not forward any received STP

BPDUs, even if STP is enabled.

This implementation is for standard STP, it does not guarantee that RSTP

and port trunking will work correctly together in all situations.

STP does not update the pathcost for trunked ports, which means that a

trunk group has the same pathcost as a single port. This may cause STP

Blocking where it is not expected. To overcome this, the user should

explicitly set the pathcost for the trunk group ports to be less than the

default value for a single port.

STP reconfigures if the Master port in a trunk group goes link down. If the

Master port in a trunk group goes link down, and a Non-Master port is still

link-up, then STP will go through the Listening>Learning>Forwarding

reconfiguration on the new Master port. This means that there will be a

switching outage on the trunk group whilst the new Master port transitions

to the Forwarding state.

Command handler changes:

• The PORT parameter of the CREATE SWITCH TRUNK PORT and ADD

SWITCH TRUNK PORT commands must specify ports that have

identical STP port configurations.

• The ENABLE STP and ENABLE STP PORT commands cannot be used

to enable STP operation on a port that has been disabled from STP

operation because of Port Trunking. Only the Master port in a trunk

group actively participates in the STP algorithm. Non-Master ports in

the trunk group are in the STP Disabled State.

• The output for the SHOW STP PORT command has been modifed so

that Non-Master Ports in a trunk group do not take part in the STP

algorithm.

• The output for the SHOW STP PORT command has been modified so

that it displays whether a user has set the PATHCOST value, or if it was

auto-configured.

Table 2: Patch file details for Patch SB251-07.

Base Software Release File sb-251.rez

Patch Release Date 22-Apr-2003

Compressed Patch File Name sb251-07.paz

Compressed Patch File Size 86524 bytes

PCR: 03399 Module: STP, SWI Level: 1

4Patch Release Note

Patch SB251-08 for Software Release 2.5.1

C613-10361-00 REV H

• The PORT parameter of the SET STP PORT command specifies either all

the ports in a trunk group, or none of the ports in a trunk group.

• The STPFORWARD parameter has been added to the ENABLE

SWITCH and DISABLE SWITCH commands. If STPFORWARD is

enabled, and there is no enabled STP instance, then the switch will

forward all received BPDUs. If STPFORWARD is enabled, and an STP

instance is enabled, then STPFORWARD will be disabled by default and

a message will be generated.

• The SHOW SWITCH command now shows the status of the BPDU

Forwarding feature.

An enhancement has been made to the Test module to optimise the

reception of the loopbacked packets that are used to confirm operation of

the switch ports.

Features in SB251-06

Patch file details are listed in Table 3.

Patch SB251-06 includes all issues resolved and enhancements released in

previous patches for Software Release 2.5.1, and the following enhancements:

After a power cycle, or a reboot command, the SwitchBlade would

occasionally repeatedly restart if it had two active controller cards. Also, the

Slave controller card would sometimes not take over if the Master controller

card failed.

Features in SB251-05

Patch file details are listed in Table 4.

PCR: 03401 Module: SWI

Table 3: Patch file details for Patch SB251-06.

Base Software Release File sb-251.rez

Patch Release Date 10-Apr-2003

Compressed Patch File Name sb251-07.paz

Compressed Patch File Size 79684 bytes

PCR: 03340 Module: SWI, SYSR Level: 1

Table 4: Patch file details for Patch SB251-05.

Base Software Release File sb-251.rez

Patch Release Date 31-Mar-2003

Compressed Patch File Name sb251-05.paz

Compressed Patch File Size 71096 bytes

Patch SB251-08 For SwitchBlade 4000 Series Switches and AT-9800 Series Switches 5

Patch SB251-08 for Software Release 2.5.1

C613-10361-00 REV H

Patch SB251-05 includes all issues resolved and enhancements released in

previous patches for Software Release 2.5.1, and the following enhancements:

Specifying the PORT and SPEED parameters with the CREATE SWITCH

TRUNK command did not set ports in a trunk group to advertise the correct

trunk group speed and duplex mode. This issue has been resolved.

A power cycle on the switch could cause the console port to become frozen

if a port was in a link up state. If a port went into a link down state, then the

console port became unfrozen. If RESTART REBOOT or RESTART

SWITCH commands were used, then the console port functioned correctly.

This issue has been resolved.

Features in SB251-04

Patch file details are listed in Table 5.

Patch SB251-04 includes all issues resolved and enhancements released in

previous patches for Software Release 2.5.1, and the following enhancements:

An internal misconfiguration of memory occurred when an M3 control card

and an M5 control card were installed, and the M3 control card was acting

as the Master. This could cause unexpected restarts. This issue has been

resolved.

On a 48 port line card, or a 32F card, if Port 1 went down, or was

disconnected, then traffic on Port 13 was also stopped, and vice versa. The

same issue affected other pairs of ports. This issue has been resolved.

Port speeds on trunk ports sometimes had to be set using the SET SWITCH

PORT command instead of automatically adopting the trunk group speed.

If a port was added to a trunk group and the port status was ‘up’, (that is, it

was correctly connected to another port) then the trunk group speed should

have applied to all the ports in the trunk, but it did not. Similarly, if a port

was added to a trunk group, and the port status was ‘down’, but it was later

linked correctly, then the trunk group speed should have applied to the

ports in the trunk. This issue has been resolved.

PCR: 03281 Module: SWI Level: 2

PCR: 03313 Module: SWI Level: 1

Table 5: Patch file details for Patch SB251-04.

Base Software Release File sb-251.rez

Patch Release Date 24 -Mar-2003

Compressed Patch File Name sb251-04.paz

Compressed Patch File Size 71112 bytes

PCR: 03226 Module: SWI Level: 2

PCR: 03228 Module: SWI Level: 1

PCR: 03230 Module: SWI Level: 2

6Patch Release Note

Patch SB251-08 for Software Release 2.5.1

C613-10361-00 REV H

After autonegotiation had finished between two ports, the port on the

SwitchBlade would not show link up status when the SHOW SWITCH

PORT command was executed. The autonegotiation process is now

restarted if autonegotiation is completed and the link is shown as down.

The LEDs on line cards now continue to flash when activity exists.

Previously if a cable was connected and disconnected to Line 48 and G8

ports, with traffic being transmitted from the other end, then the LED

would stop flashing, even when there was activity on the link.

Features in SB251-03

Patch file details are listed in Table 6.

Patch SB251-03 includes all issues resolved and enhancements released in

previous patches for Software Release 2.5.1, and the following enhancements:

The SwitchBlade mirror port field on the second instance of a switch chip

was displaying as though it was the first instance. For example, if 2.26 was

configured as the mirror port, the GUI mirror object would return 2.2. The

first chip instance was not affected. This issue has been resolved.

TCP6 did not send a TCP Reset message under some circumstances, for

example when the Telnet server was disabled. This issue has been resolved.

A buffer address was incrementing and not returning buffers for reuse

when the command line interface was accessed via the GUI interface. This

issue has been resolved.

If the SET SWITCH BLADE command was executed with the default

settings, then the default settings were added to the configuration file. The

SET SWITCH BLADE settings are now only added to the configuration file

if they differ from the default settings.

PCR: 03243 Module: SWI Level: 2

PCR: 03249 Module: SWI Level: 4

Table 6: Patch file details for Patch SB251-03.

Base Software Release File sb-251.rez

Patch Release Date 12-Mar-2003

Compressed Patch File Name sb251-03.paz

Compressed Patch File Size 68784 bytes

PCR: 02361 Module: SWI Level: 4

PCR: 02527 Module: TCP Level:3

PCR: 03025 Module: GUI Level:2

PCR: 03055 Module: SWI Level: 4

Patch SB251-08 For SwitchBlade 4000 Series Switches and AT-9800 Series Switches 7

Patch SB251-08 for Software Release 2.5.1

C613-10361-00 REV H

Support has been added, to the MIB-2 interface MIB, for the port interface.

This means that port counters can now be shown.

If a hardware filter was added to the switch, with a source VLAN and a

destination port of 1, then a host connected to the switch could not PING a

host on a different port. This issue has been resolved.

An unexpected restart that occurred when upgrading a SwitchBlade from

Release 2.4.4 to Release 2.5.1 was caused by NVS generating an SNMP trap.

This issue has been resolved.

Static routes were occasionally not added to all hardware tables across all

instances. This would affect connectivity if an instance had a default route

added to its table that pointed out one of its ports. This issue has been

resolved.

Ports could not be added to the default VLAN after a hotswap, if the default

VLAN was Protocol, Subnet, MAC address, or Limited protocol based. This

issue has been resolved.

Incorrect handling of TCP sessions, and poor load balancing performance

could be caused by TCP virtual balancers not selecting a new resource if

required. This issue has been resolved.

The ADD IPV6 ND command now has a PORT parameter which means that

it can be associated with the VLAN parameter.

Changes have been made to the SysDescription.

TCP source and TCP destination ports were swapped when viewed in the

GUI. This issue has been resolved.

Packets that were sent out a default route could have an incorrect source IP

address, if the interface route to the destination IP address existed but was

down. This issue has been resolved.

Packets could be sent with an incorrect source address if a route was added

to a VLAN and another VLAN had an IP interface configured that was in

the same subnet as the route. This issue has been resolved.

PCR: 03060 Module: CORE, SWI Level: 3

PCR: 03066 Module: SWI Level: 2

PCR: 03071 Module: CORE Level: 2

PCR: 03079 Module: IPG, SWI Level: 1

PCR: 03088 Module: SWI Level: 2

PCR: 03105 Module: FIREWALL Level: 3

PCR: 03112 Module: IPV6 Level: 3

PCR: 03118 Module: CORE Level: 4

PCR: 03119 Module: CLASSIFIER Level: 4

PCR: 03138 Module: SWI L evel: 2

PCR: 03141 Module: IPG Level: 3

8Patch Release Note

Patch SB251-08 for Software Release 2.5.1

C613-10361-00 REV H

If a BIST was run at low temperatures, for example 5 or 10 degress celcius,

on a G8 card, then a watchdog timer restart could occur. The switch now

checks for the real course of the external interrupts that occur when running

BIST.

If the Gratuitous ARP feature was enabled on an IP interface, and an ARP

packet arrived, (either ARP request, or reply) that had a Target IP address

that was equal to the SenderIP address, then the ARP cache was not

updated with the ARP packet’s source data. This issue has been resolved.

If two line cards were inserted in quick succession, then a software restart

could occasionally occur. This issue has been resolved.

When the Built-In Self Test was run, a fault would occasionally be reported

which said that a MAC address was not learnt during the loopback test.

The ports in the BIST loopback test now remain in loopback.

Features in SB251-02

Patch SB251-02 includes all issues resolved and enhancements released in

previous patches for Software Release 2.5.1, and the following enhancements:

64 bit MIB counters were not incremented or cleared for port interfaces. This

issue has been resolved.

Some change actions, and the resending of prune messages were not

operating correctly. This issue has been resolved.

Pause flow control is now disabled by default on all ports. This improves

performance of the switch when it is congested.

The DPORT parameter in the ADD SWITCH HWFILTER command was

omitted when the configuration was generated. This issue has been

resolved.

PCR: 03142 Module: SWI Level: 1

PCR: 03148 Module: IPG Level: 3

PCR: 03191 Module: SWI Level: 1

PCR: 03192 Module: SWI Level: 2

Table 7: Patch file details for Patch SB251-02.

Base Software Release File sb-251.rez

Patch Release Date 25-Jan-2003

Compressed Patch File Name sb251-02.paz

Compressed Patch File Size 48608 bytes

PCR: 02553 Module: SWITCH Network affecting: No

PCR: 02574 Module: DVMRP Network affecting: No

PCR: 02582 Module: SWI Network affecting: No

Patch SB251-08 For SwitchBlade 4000 Series Switches and AT-9800 Series Switches 9

Patch SB251-08 for Software Release 2.5.1

C613-10361-00 REV H

The SET SWITCH PORT ACCEPTABLE command did not work correctly

on all specified port numbers. This issue has been resolved.

A warning message was generated when a slave line card was not

initialised, and the configuration script was not loaded. This issue has been

resolved.

RIP was not operating correctly because a MAC address search returned the

wrong port number. This issue has been resolved.

The ADD FIREWALL POLICY RULE command included an erroneous

check on port ranges for non-NAT rules. This check is now restricted to

NAT rules.

Executing the SET IP INTERFACE and SET IPX INTERFACE commands on

a SwitchBlade produced debugging output on the ASYN port. This issue

has been resolved.

A new value is now shown in the output of the SHOW QOS POLICY

command. This is the value of the port bandwidth used when the default

traffic class percentage bandwidth is set on a QoS Policy.

Adding a layer 2 filter on a SwitchBlade did not block traffic to the end host

as intended. This issue has been resolved.

On a SwitchBlade, PCI errors occurred periodically after a line card was

hotswapped. This issue has been resolved.

The board revision number for the slave control blade was erroneously set

to the same number as the master control blade. This issue has been

resolved.

If a port belongs to an enabled STP instance, but the port has been disabled

from STP operation with the DISABLE STP PORT command, the port will

not respond to ARP requests. This patch implements a workaround that

allows disabled STP ports to respond to ARP requests.

PCR: 03023 Module: SWI Network affecting: No

PCR: 03028 Module: SWI Network affecting: No

PCR: 03030 Module: SWI Network affecting: No

PCR: 03031 Module: FIREWALL Network affecting: No

PCR: 03034 Module: SWI Network affecting: No

PCR: 03037 Module: QOS Network affecting: No

PCR: 03039 Module: SWITCH, IPG Network affecting: No

PCR: 03043 Module: SWITCH Network affecting: No

PCR: 03047 Module: CORE Network affecting: No

PCR: 03428 Module: STP Network affecting: No

10 Patch Release Note

Patch SB251-08 for Software Release 2.5.1

C613-10361-00 REV H

Features in SB251-01

Patch file details are listed in Table 8:

Layer 2 filtering is now working correctly.

32 bit counters now only show 8 bit contents.

The IPM (Layer 3 Multicasting table) now updates correctly to add or delete

the ingress linecard to control blade ports, and the control blade to egress

linecard ports when updating forwarding.

The ENABLE SYSTEM SECURITY_MODE command was enabling the

system security mode, but after the switch was restarted the system security

mode was disabled again. Also, when NVS was re-initialised because, for

example a battery had been exhausted, the system could not make an SNMP

trap. These issues have been resolved.

When the DISABLE SWITCH PORT FLOW=PAUSE command was

executed on a port or ports, they would still appear to be enabled at a higher

level. This issue has been resolved.

DHCP RENEW request messages are now unicast (as defined in the RFC),

not broadcast.

VLAN tagged multicast packets were incorrectly being sent over untagged

VLAN interfaces. This issue has been resolved.

Some change actions, and the resending of prune messages were not

operating correctly. This issue has been resolved.

Pause flow control is now disabled by default on all ports. This improves

performance of the switch when it is congested.

Table 8: Patch file details for Patch SB251-01.

Base Software Release File sb-251.rez

Patch Release Date 15-Jan-2003

Compressed Patch File Name sb251-01.paz

Compressed Patch File Size 71828 bytes

PCR: 02555 Module: SWI Network affecting: No

PCR: 02561 Module: SWI Network affecting: No

PCR: 02563 Module: SWI Network affecting: No

PCR: 02568 Module: CORE Network affecting: No

PCR: 02576 Module: SWI Network affecting: No

PCR: 02396 Module: DHCP Network affecting: No

PCR: 02575 Module: SWI Network affecting: No

PCR: 02574 Module: DVMRP Network affecting: No

PCR: 02582 Module: SWI Network affecting: No

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