Allied Telesis Patch SB244-01 Manuale di istruzioni

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Patch Release Note

Patch SB244-01

For SwitchBlade 4000 Series Switches and

AT-9800 Series Switches

Introduction

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

patch SB244-01 for Software Release 2.4.4 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 2.4.3 (Document

Number C613-03042-00 Rev E) and Release Note for Software Release 2.4.4

for SwitchBlade 4000 Switches and AT-9800 Series Switches (Document

Number C613-10342-00 Rev A) available on the Documentation and Tools

CD-ROM packaged with your switch, or from www.alliedtelesyn.co.nz/

documentation/documentation.html.

■AT9800 Series Switches Documentation Set for Software Release 2.4.3

(Document Number C613-03044-00 Rev B) and Release Note for Software

Release 2.4.4 for SwitchBlade 4000 Switches and AT-9800 Series Switches

(Document Number C613-10342-00 Rev A) 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 SB244-01.

Base Software Release File sb-244.rez

Patch Release Date 23-Oct-2002

Compressed Patch File Name sb244-01.paz

Compressed Patch File Size 84666 bytes

2Patch Release Note

Patch SB244-01 for Software Release 2.4.4

C613-10349-00 REV A

Features in SB244-01

Patch SB244-01 includes all issues resolved and enhancements released in

previous patches for Software Release 2.4.4, and the following enhancement:

When an interface went down (or was disabled) on an AS border router, the

external routes were not removed from the routing domain. Such routes are

now removed by premature aging.

The learning unit was locking under heavy load. This could result in pings

to a network device failing, and over an hour all dynamic MAC addresses

could be lost. Sometimes a large number of pause frames were generated by

the system. This issue has been resolved.

When an IP Multihomed interface was used as an OSPF interface,

neighbour relationships were only established if the IP interface for OSPF

was added first in the configuration. Now, OSPF establishes neighbour

relationships regardless of the IP Multihomed interface configuration order.

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

was displaying as though it was the first instance. This issue has been

resolved.

The following issues have been resolved:

• IP route updating was not working correctly

• IGMP snooping behaviour was incorrect

• The SHOW DVMRP FORWARDING command displayed incorrect

port numbers.

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

not broadcast.

After a prune lifetime had expired, the interface was not joined back to the

DVMRP multicast delivery tree. This issue has been resolved.

The following issues have been resolved:

• It was possible to assign the same network on different IPV6 interfaces

• The loopback address was being added to other interfaces

• The tunnel configuration was not showing correctly in IPV6

configuration commands

• RIPv6 now sets the metric of routes for interfaces that are DOWN to 16,

and immediately sends responses when the link status of VLAN

interfaces changes.

PCR: 01285 Module: OSPF Network affecting: No

PCR: 02353 Module: SWI Network affecting: No

PCR: 02359 Module: IPG Network affecting: No

PCR: 02361 Module: SWI Network affecting: No

PCR: 02394 Module: IPG, SWI, DVMRP Network affecting: No

PCR: 02396 Module: DHCP Network affecting: No

PCR: 02397 Module: DVMRP Network affecting: No

PCR: 02398 Module: IPV6 Network affecting: No

Patch SB244-01 For SwitchBlade 4000 Series Switches and AT-9800 Series Switches 3

Patch SB244-01 for Software Release 2.4.4

C613-10349-00 REV A

Neighbour discovery and PIM6 caused a fatal error when IPv6 was not

enabled, or when the IPv6 feature license was not present. This issue has

been resolved.

A Router-Alert option has been added. Also, the SHOW IPV6 MLD

INTERFACE command now works correctly.

ICMP was sending too many messages back as responses to fragmented

packets. This issue has been resolved.

A warning now appears when the DELETE IP INTERFACE command is

executed before the DELETE DVMRP INTERFACE command.

VRRP pre-empt mode was not working with advertisement updates of 1

second or more because this did not allow for interface start time on startup.

Now a check is made to verify that interfaces are UP before timers are

started.

Static IP ARP entries could not be added to hardware at boot time. Also, an

IPX circuit could not be deleted from hardware. These issues have been

resolved.

Multicasting forwarding was not working correctly. This issue has been

resolved.

The IGMP port list was not updating correctly when a port went down. This

issue has been resolved.

ICMPv6 was returning an error for non-zero fragment offsets. This issue has

been resolved.

Packets with a RIP source address and next hop address that are not on the

same subnet as the interface will now be processed. If the received next hop

is not on the same subnet, it is treated as 0.0.0.0.

On GBICs, the link was forced up when the transmit fibre was removed.

Once up, the link could not be taken down again by removing the transmit

fibre. This issue has been resolved.

PCR: 02401 Module: IPV6 Network affecting: No

PCR: 02406 Module: IPV6 Network affecting: No

PCR: 02407 Module: IPG Network affecting: No

PCR: 02409 Module: IPG Network affecting: No

PCR: 02410 Module: VRRP Network affecting: No

PCR: 02413 Module: IPG, IPX2 Network affecting: No

PCR: 02416 Module: DVMRP, IPG Network affecting: No

PCR: 02417 Module: VLAN, IPG Network affecting: No

PCR: 02418 Module: IPV6 Network affecting: No

PCR: 02415 Module: IPG Network affecting: No

PCR: 02420 Module: SWI Network affecting: No

4Patch Release Note

Patch SB244-01 for Software Release 2.4.4

C613-10349-00 REV A

IGMP messages sometimes caused a fatal error. This issue has been

resolved.

Multicast downstream groups are now added and deleted correctly.

Errata

AT-9800 Series Switches do not have Ethernet interfaces (for example, eth0).

Previously released documentation incorrectly states that these interface types

are valid. AT-9800 switch ports are Ethernet ports, and these are referenced in

commands with the PORT parameter.

IPSec and ISAKMP are not available on the 2.4.4 release for SwitchBlade 4000

Series Switches and AT-9800 Series Switches.

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: 02423 Module: SWI Network affecting: No

PCR: 02425 Module: IPG Network affecting: No

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