Cisco 7600-ES20-GE3CXL-RF - Ethernet Services 20G Line Card Switch Manual de usuario Pagina 148

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Caveats for Cisco IOS Release 12.2(33)SRD through 12.2(33)SRD8
OL-10394-05 Rev. R0
CSCsu82893
Symptoms: Features requiring nas-port as a username determined by AAA (such as pre-auth) will
not work on the standby device, causing standby sessions to be poisoned.
Conditions: AAA calculates the IP address of the best port, which is up and active. However, on the
standby device, no interface is visibly active, resulting in a best IP address defining the router to be
0.0.0.0.
Workaround: There is no workaround.
CSCsu83563
Symptoms: Multicast rate-limiters stop working after a HA switchover.
Conditions: To see this issue you have to have a HA setup with multicast rate-limiters set. In order
to see this issue the rate-limiters must have been set before the standby is booted. If the rate-limiters
are set after standby is up in HOT state, the issue is not seen after switchover.
Workaround: Remove and reconfigure the rate-limiters.
CSCsu83588
Symptoms: After a router reload, the Flex Link configuration (switchport backup interface Po#)
is lost.
Conditions: Occurs when a backup interface is a port-channel interface.
Workaround: There is no workaround.
CSCsu87248
Symptoms: Router crashes while adding flexible NetFlow.
Conditions: Occurred on a router running Cisco IOS Release 12.2(33)SRC1.
Workaround: There is no workaround.
CSCsu88256
Symptoms: Imposition traffic on a Ethernet Over MPLS (EoMPLS) VC is dropped.
Conditions: Occurs if xconnect is configured on a EVC with switchport on another interface.
Workaround: There is no workaround.
Further Problem Description: When this problem happens the DMAC used by the imposition line
card is that of the switchport interface instead of the router MAC address, causing the packet to be
dropped.
CSCsu89550
Symptoms: All tagged packets on a hardware Ethernet Over MPLS (EoMPLS) VC is subjected to
CoPP when the VC is down.
Conditions: Occurs if VC is brought down by flapping core facing interface.
Workaround: Remove the control-plane policy.
Further Problem Description: It is applicable to only port-mode hardware EoMPLS.
CSCsu90280
Symptoms: IPv6 DMVPN tunnel does not work. IPv6 NHRP registration between Hub and Spoke
fails.
Conditions: The symptoms are observed under normal operation.
Workaround: There is no workaround.
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