Allied Telesis AT-9800 Series User's Manual
Contents
1. b Allied Telesyn Enabling and installing this Release Software Maintenance Release Note 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 The levels are Level1 This issue will cause significant interruption to network services and there is no work around Level2 This issue will cause interruption to network service however there is a work around Level3 This issue will seldom appear and will cause minor inconvenience Level4 This issue represents a cosmetic change and does not affect network operation Enabling and installing this Release To use this maintenance release you must have a base release license for Software Release 2 7 3 Contact your distributor or reseller for more information To enable this release and install it as the preferred release use the commands enable rel sb273 01 rez num 2 7 3 set install pref rel sb273 01 rez Features in sb273 01 sb273 01 rez includes the following issues resolved and enhancements released Level 1 CR00005227 Module SWI RSTP SWMX Level 1 SWCX SW56 A heavy processor load could lead to queuing RSTP BPDUs which in turn could lead to even more processor load resulting in more queued BPDUs This issue has been resolved by improving the efficiency in the interaction between RSTP TCN BPDUs and the hardware tables This issue has been resolved PCR number2. 40672 CR00006609 Module LB Level 1 When failover occurred between a redundant pair of Load Balancing devices host ARP caches were not updated with the new Master s MAC address thus causing the hosts to lose connectivity until their ARP caches timed out the stale entry This issue has been resolved No PCR number Release sb273 01 C613 10436 00 Rev A Release sb273 01 Release sb273 01 C613 10436 00 Rev A CR00007034 Module Firewall Level 1 A reboot could occur while ageing out Firewall sessions when the device was under heavy load and had many active Firewall sessions This issue has been resolved No PCR number CRO00007695 Module PPP Level 1 When either the Firewall was enabled or multiple L2TP tunnels were configured and a default route existed over an L2TP tunnel it was possible for an infinite internal packet loop to be created when a packet was sent over the L2TP tunnel after the underlying interface route to the remote IP had gone down This caused a reboot to occur This issue has been resolved No PCR number Level 2 CRO00002290 Module STP SWI Level 2 Previously the forwarding database was flushed instead of being aged out when an STP topology change notification was received This issue has been resolved PCR number 40185 CRO00002662 Module STP Level 2 Previously when a port or ports was moved from one VLAN to another the switch would reset both STP RSTP instances that control t
3. C613 10436 00 Rev A Release sb273 01 Release sb273 01 C613 10436 00 Rev A CR00007521 Module IPG Level 3 DVMRP packets were being dropped due to packet length inconsistencies from other vendor devices This issue has been resolved No PCR number CR00007686 Module ATM Level 3 If ATM is receiving a OAM loopback cell normal from an ISP at regular intervals then it may cause a reboot This fix stops this behaviour and will also stop some other random packet corruption This issue has been resolved PCR number 50064 CR00007716 Module LOG Level 3 Previously when changing the password on a log output receive definition to a shorter string the log message exchange could fail This issue has been resolved PCR number 50070 CRO00007760 Module SWCX SWITCH Level 3 When changing VLAN configuration on the Switchblade MAC addresses on the ports that move to a new VLAN need to be deleted This address deletion process has been made significantly more efficient minimising the impact on general switch operation This issue has been resolved No PCR number Level 4 CR00006093 Module FFS Level 4 There was not enough information displayed to the user when the ACTIVATE FLASH COMPACTION command was entered at the same time as Flash was compacting This issue has been resolved No PCR number Enhancements CR00006652 Module IKMP IPSEC Previously ISAKMP NAT T was enabled by default on every ISAKMP
4. Software Maintenance Release Note Release sb273 01 For SwitchBlade 4000 Series Switches and AT 9800 Series Switches Introduction This software maintenance release note lists the issues addressed and enhancements made in patch SB273 01 for Software Release 2 7 3 on existing models of the SwitchBlade and AT 9800 series switches Release file details are listed in Table 1 Table 1 Release file details for release SB273 01 Base Software Release File SB 273 rez Maintenance Release Date April 22 2005 Compressed Release File Name SB262 01 rez Compressed Release File Size 91 532 bytes This release note should be read in conjunction with the following documents E SwitchBlade document Set for Software Release 2 7 3 Document Number C613 03100 00 REV A m AT 9800 Series Switches Documentation Set for Software Release 2 7 3 Document Number C613 03101 00 REV A 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
5. eceiving 1519 1522 byte VLAN tagged packets Instead these packets were dropped because they were considered too long Also some early revisions of the AR720 and AR740 were not capable of receiving 1519 1522 byte VLAN tagged packets These issues have been resolved PCR number 50065 CR00007436 Module L2TP Level 2 When the router was acting as an L2TP Access Concentrator LAC it would fail to negotiate a Virtual tunnel to another vendor s LNS This was due to invalid Proxy LCP AVPs being used within the ICCN message This issue has been resolved No PCR number CR00007770 Module SWI Level 2 On 9800 series switches with GBICs installed if a GBIC with an active link was physically removed the interface would not go DOWN This issue has been resolved No PCR number CR00008127 Module SWI Level 2 When hot swapping a Switch Blade line card the trunking information on other line cards could get over written and cause the switch to stop forwarding traffic This issue has been resolved No PCR number Level 3 CR00006086 Module x25t Level 3 IP interfaces over X25 were not operating correctly This issue has been resolved No PCR number CR00007476 Module IPG Level 3 The DNS relay has been changed to allow the relay of resource record types between 0x1d and Oxff Previously packets with these types of resource records were dropped This issue has been resolved No PCR number Release sb273 01
6. he VLANs This behaviour is now changed to only reset the STP process on the STP instance that the port s is joining The switch will now also retain the port s edge port setting during the moving process This issue has been resolved CR00007341 Module IPG Level 2 When routers and switches were using CIDR addressing with a unicast address coinciding with a network broadcast address of class A B or C then they could incorrectly forward traffic as directed broadcasts even though the traffic was unicast only This issue has been resolved PCR number 50069 CR00007358 Module BRG FR Level 2 When Cisco encapsulation was used on a frame relay interface the router was not recognising bridged packets This issue has been resolved Also specifying a logical frame relay interface when adding a bridge port has been explicitly disallowed No PCR number Features in sb273 01 Software Maintenance Release Note CR00007417 Module ATM ENCO Level 2 Previously when the packet overhead limits were exceeded some packets were being silently dropped by SQoS This issue has been resolved Additionally extra checking has been added to the ATM process so that it will explicitly drop and count any packets that still exceed the overhead limit This will aid in the diagnosing of any other cases where packets are being dropped No PCR number CR00007428 Module ETH Level 2 The AR026 4 port Ethernet PIC was not capable of r
7. policy created NAT T is now disabled by default on every ISAKMP policy No PCR number CRO00006953 Module PPP The ability to configure Van Jacobson Header Compression over dynamic PPP interfaces has been added To this end the command parameter VJC ON OFFF has been added to the CREATE and SET PPP TEMPLATE commands No PCR number
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