Cisco 7600-ES20-GE3CXL-RF - Ethernet Services 20G Line Card Switch Uživatelský manuál stáhnout pdf (Strana 295)

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Caveats for Cisco IOS Release 12.2(33)SRD through 12.2(33)SRD8

OL-10394-05 Rev. R0

Workaround: There is no workaround.

• CSCsl97384

Symptoms: Router reload is seen in the network with a traceback when the show aaa user all

command is executed.

Conditions: This symptom occurs when the command is executed with 2k or more sessions in

progress.

Workaround: Do not enter the show aaa user all command.

Further Problem Description: This is more like a timing or race condition, which could occur with

a large number of sessions.

The show command outputs data from General DataBase which is typically a hash table for each

session. However, it does not lock the table during the display for each session. When we have a

large number of sessions, the output process may take more than one pass. Meantime if we clear the

session, we free the memory associated with that session’s General DB. Now, pointers the show

command is using, point to a freed memory resulting in a reference to a bad pointer. The output

process has to sleep (suspend) a moment, and the crash occurs.

• CSCsl97835

Symptoms: The standby supervisor may crash.

Conditions: Occurred in a system with scaled configuration with a operational rep segment.

Occurred when a rep port role was configured as non-edge and then swapped to edge.

Workaround: Shutdown the port before making changes described above.

• CSCsl97898

Symptoms: A router may crash when the port-channel interface is shutdown.

Conditions: The symptom is observed in a scaled setup, when the port-channel interface is shutdown

on a scaled setup with IPv6 multicast traffic and when the system is operating in egress replication

mode.

Workaround: There is no workaround.

• CSCsl98498

Symptoms: Tunnel interface is not coming up with the tunnel mode ipip decapsulate-any

command enabled on the interface. Hence the tunnel will not pass any traffic.

Conditions: This is seen when the decapsulate any option is configured with the tunnel mode ipip

command.

Workaround: There is no workaround.

• CSCsl98665

Symptoms: Multilink bundles fail to come up.

Conditions: This problem will be seen only if the bundle has 10 members associated with it.

Workaround: Remove one member from the bundle, by removing the ppp multilink group

command, and then do a shut/no shut of the bundle.

Further Problem Description: If we try to bring up a bundle that has 10 members, the bundle will

fail to come up. If the bundle has less than 10 members, we will not see this issue.

• CSCsl99156

Symptoms:

1. The No_Global bit (0x10) for MOI flag is incorrectly set for iBGP when it becomes best path.

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