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Patch Release Note
Patch SB251-13
For SwitchBlade 4000 Series Switches and
AT-9800 Series Switches
Introduction
This patch release note lists the issues addressed and enhancements made in
patch SB251-13 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.
Table 1: Patch file details for Patch SB251-13.
Base Software Release File sb-251.rez
Patch Release Date 08-Oct-03
Compressed Patch File Na
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2 Patch 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: Level 1 This issue will cause significant interruption to network services, and there is no work-around. Level 2 This issue will cause interruption to network service, however there is a work-around. Level 3 This issue will seldom appear, and will cause minor inconvenience. Level 4 This issue represents a cosme
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Patch SB251-13 For SwitchBlade 4000 Series Switches and AT-9800 Series Switches 3 PCR: 03603 Module: SWCX, SWI. Level: 3 Ports on the SwitchBlade and AT-9800 are now initialised to advertise pausing as disabled. PCR: 03606 Module: IPG Level: 2 BGP and UPNP were not informed when an ETH interface went up or down. This issue has been resolved. PCR: 03609 Module: OSPF, IPG Level: 1 The IP route filter did not always work correctly for OSPF. This issue has been
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4 Patch Release Note PCR: 03524 Module: OSPF, IPG Level: 2 The SET VLAN BCLIMIT command did not work when executed from start-up in a configuration script. This issue has been resolved. PCR: 03717 Module: IP, SWCX Level: 2 New static routes cannot be added to the forwarding database until ARP has resolved the routes' next hop MAC address. In the meantime, selecting the best alternative route was sometimes causing incorrect
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Patch SB251-13 For SwitchBlade 4000 Series Switches and AT-9800 Series Switches 5 PCR: 03747 Module: VRRP Level: 3 An unknown interface log message was returned for VRRP if there was an interface UP or interface DOWN event due to a mismatch between a monitored interface index and the corresponding interface instance. This issue has been resolved. PCR: 03751 Module: MLDS Level: 3 The MLD snooping entries registered on a port wer
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6 Patch Release Note PCR: 03795 Module: SWI Level: 3 Browsing the dot1dTpFdbPort table with SNMPv2c sometimes gave incorrect output. This issue has been resolved. PCR: 03796 Module: STP Level: 2 Setting RSTPTYPE to NORMAL, when normal has already been set, sets all ports to the “sending RSTP” state process. This is referred to in IEEE 802.1w as mCheck. When RSTPTYPE was changed from STPCOMPATIBLE to NORMAL with the SET STP co
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Patch SB251-13 For SwitchBlade 4000 Series Switches and AT-9800 Series Switches 7 PCR: 03817 Module: IPV6 Level: 2 A fatal error occurred when IPv6 fragmented a packet. Also, when a large fragmented ICMP echo request packet was received, the reply may not have been fragmented and so may have exceeded the MTU for the interface it was sent on. These issues have been resolved. PCR: 03819 Module: SWCX Level: 3 Previously, Multicast
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8 Patch Release Note PCR: 03834 Module: SWCX Level: 2 Hardware filters using classifiers that specified IP addresses were not accepted by the ADD SWITCH HWFILTER command when added in a particular order. This issue has been resolved. PCR: 03835 Module: VLAN Level: 3 If either the MCLIMIT or BCLIMIT parameter in the SET VLAN MCLIMIT BCLIMIT command was set to NONE, the other parameter was sometimes incorrectly set to NONE as we
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Patch SB251-13 For SwitchBlade 4000 Series Switches and AT-9800 Series Switches 9 Files were not displayed in the SHOW FFILE command output, after entering “Q” at the CLI to quit from a previous prompt. This issue has been resolved. PCR: 03853 Module: SWCX Level: 2 Multicast packets were not forwarded between switch instances on SwitchBlade series switches. This issue has been resolved. PCR: 03855 Module: IPG Level: 2 Previousl
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10 Patch Release Note PCR: 03872 Module: SWI Level: 3 When typing “?” at the command line after SET SWITCH PORT, INGRESSLIMIT was incorrectly displayed as a valid option. This issue has been resolved. PCR: 03879 Module: DHCP Level: 2 A memory leak was occurring with DHCP. This issue has been resolved. PCR: 03880 Module: SWICX, SWI Level: 2 Uplugging the remote receive port on the 32FX card (AT-SB43
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Patch SB251-13 For SwitchBlade 4000 Series Switches and AT-9800 Series Switches 11 PCR: 03907 Module: IPV6 Level: 2 The CREATE CONFIG command did not generate the TYPE parameter for ADD IPV6 INTERFACE commands. This issue has been resolved. PCR: 03913 Module: SWCX Level: 2 A fatal error occurred with NVS when the log contained too many debug log messages. These messages were added with PCR 03701. This issue has been resolved. P
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12 Patch Release Note Prefixes of Anycast addresses could not be shared on the same port. This issue has been resolved. PCR: 3956 Module: SWI, CORE Level: 2 On an AT-9800 with certain third party GBICs, running the restart reboot command would cause the switch to lock-up. However the problem did not occur when using the Reset button. This issue has been resolved by disabling all ports before performing a RESTART REBOOT. PCR: 03965 Module: IPSEC
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Patch SB251-13 For SwitchBlade 4000 Series Switches and AT-9800 Series Switches 13 PCR: 031003 Module: QOS Level: 3 The SET QOS VLANREMAP command was incorrectly saving configuration files. This was resulting in errors occurring when the file was executed. This issue has been resolved so that the file is saved in the correct form. PCR: 031005 Module: SWCX Level: 3 CAM errors were appearing when the ENABLE SWITCH BIST command was r
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14 Patch Release Note BIST failures were occurring because the software was not full supporting the SwitchBlade 8 port 1000BASE-LX line card 1 (AT-SB4462). This issue has been resolved. PCR: 031033 Module: Level: 2 STP was not being handled correctly when hot swapping line cards. This resulted in links other than the preferred link being selected. Also, when a layer two data stream was forwarded from one line card (the source card) to another (the destination
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Patch SB251-13 For SwitchBlade 4000 Series Switches and AT-9800 Series Switches 15 Multicast Listener Discovery Snooping Multicast Listener Discovery (MLD) snooping enables the switch to forward IPv6 multicast traffic intelligently, instead of flooding it out all ports in the VLAN. Without MLD snooping, multicast group membership for VLAN aware devices is on a per-VLAN basis, because MLD is an IPv6-based protocol. If at least one port in the VLAN is a member of a multicast group, and MLD sn
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16 Patch Release Note MLD snooping on the switch uses the last 4 bytes of the IPv6 address to distinguish multicast addresses. It is therefore unable to distinguish different multicast addresses that end with the same 4 bytes. Creating an entry for a multicast group will have the effect of creating an entry for all groups with addresses that end with the same 4 bytes as that group’s address. For example, traffic for the groups: ffxx xxxx xxxx xxxx xxxx xxxx 1234 5678 and ffyy yyyy yyyy yyy
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Patch SB251-13 For SwitchBlade 4000 Series Switches and AT-9800 Series Switches 17 Figure 1: Example output from the SHOW MLDSNOOPING command. MLD Snooping -------------------------------------------------------------------------------- Status ........................ ENABLED Debugging ..................... DISABLED Group Timeout ................. 270 Secs Interface: vlan1 -------------------------------------------------------------------------------- Multicast Address ................ ff05:222
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18 Patch Release Note Table 1: Parameters displayed in the output of the SHOW MLDSNOOPING command. Parameter Meaning Status The status of MLD snooping; one of ENABLED or DISABLED. Debugging The status of MLD snooping debugging; one of ENABLED or DISABLED. Group Timeout The switch’s timeout period for multicast group registration (270 seconds). If no MLD listener joins are received during this period of time, the group registration will be deleted. Interface The interface for which multicast
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Patch SB251-13 For SwitchBlade 4000 Series Switches and AT-9800 Series Switches 19 Features in SB251-12 Patch SB251-12 includes all issues resolved and enhancements released in previous patches for Software Release 2.5.1, and the following enhancements: After loading this software version, please check your alarm relay connections. Refer to PCR 03209 for more information. PCR: 03287 Module: Firewall Level: 2 When configured with ACTION=NAT, the firewall was incorrectly applying TCP port filte
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20 Patch Release Note IPv4 addresses x.x.x.0 or x.x.x.255 were not accepted for the LOCAL parameter in the ADD IPV6 TUNNEL command. IPv6 addresses 2002:x:x::/48 were not accepted for the IPADDRESS parameter in the ADD IPV6 INTERFACE command. PCR: 03760 Module: SWI Level: 1 Changes have been implemented to prevent loss of connectivity between line cards. PCR: 03763 Module: SWI Level: 2 When port speeds were set using a configu
