Allied Telesis SB251-01 User manual

Simply connecting the world

Patch Release Note

Patch SB251-01

For SwitchBlade 4000 Series Switches and

AT-9800 Series Switches

Introduction

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

patch SB251-01 for Software Release 2.5.1 on existing models of SwitchBlade

4000 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) and Release Note for Software Release 2.5.1

for SwitchBlade 4000 Switches 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 SB251-01.

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

2Patch Release Note

Patch SB251-01 for Software Release 2.5.1

C613-10361-00 REV A

Features in SB251-01

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.

When OSPF was enabled on startup, an OSPF interface would sometimes

stay in the DOWN state. This issue has been resolved.

The following parameters have been changed CREATE CLASSIFIER, SET

CLASSIFIER and SHOW CLASSIFIER commands:

• The MACTYPE parameter has been changed to

MACTYPE={L2UCAST|L2MCAST|L2BCAST|ANY}. This resolves

an error with internal hardware tables.

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

PCR: 02587 Module: OSPF Network affecting: No

PCR: 03001 Module: SWI CLASSIFIER Network affecting: No

Patch SB251-01 For SwitchBlade 4000 Series Switches and AT-9800 Series Switches 3

Patch SB251-01 for Software Release 2.5.1

C613-10361-00 REV A

• The number of user-specified protocols in the PROTOCOL parameter

has been increased from three to seven.

• The minimum value of the IPXDADDRESS parameter has been

decreased from 10000000 to 00000001.

An issue which sometimes resulted in a broadcast storm within the internal

ports on the SwitchBlade, a reduction in bandwidth, and a loss of pinging

has been resolved.

An issue which caused pings to fail when a control card was inserted in the

left hand slot to act as a slave, has been resolved.

Support has been added to allow for multicasting to any number of

overlapping VLANs up to the maximum number of multicast forwarding

entries.

An issue with pings failing after network host routes disappeared from the

switch due to an IP hashing error has been resolved.

An issue with an interrupt occuring when waiting on the MDIO which

caused the MDIO to read or write incorrect information has been resolved.

Ping would sometimes not work correctly after a 48 line card was extracted,

and after a restart reboot. This issue has been resolved.

Availability

Patches can be downloaded from the Software Updates area of the Allied

Telesyn web site at www.alliedtelesyn.co.nz/support/updates/patches.html. A

licence or password is not required to use a patch.

PCR: 03006 Module: SWI Network affecting: No

PCR: 3008 Module: SWI Network affecting: No

PCR: 03014 Module: IPG, SWI Network affecting: No

PCR: 03018 Module: SWI Network affecting: No

PCR: 03020 Module: SWI Network affecting: No

PCR: 03021 Module: SWI Network affecting: No

4Patch Release Note

Patch SB251-01 for Software Release 2.5.1

C613-10361-00 REV A

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