
653
Caveats for Cisco IOS Release 12.2(33)SRD through 12.2(33)SRD8
OL-10394-05 Rev. R0
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.
• CSCsu92966
Symptoms: Send statistics from the show mpls l2 vc command are not displayed.
Conditions: Occurs on a PE when the other PE’s core-facing link is flapped.
Workaround: Perform a shut/no shut on the SVI interface.
• CSCsu93374
Symptoms: The group state of a slave group may unexpectedly change to Active after an RP
switchover.
Conditions: The symptom is observed when HSRP multigroup is configured such that a slave group
follows the state of a master group. If the HSRP group state is Standby, then the group state of the
slave group may change to Active after an RP switchover.
Workaround: There is no workaround.
• CSCsu94030
Symptoms: Internal VRF gets disabled at when the router boots up.
Conditions: Occurs after any failover or router start-up scenario
Workaround: Use the no platform ivrf disable to avoid the issue.
• CSCsu94720
Symptoms: Router crashes when the shutdown command is used on an interface.
Conditions: Occurs when there are DHCPv6 bindings.
Workaround: There is no workaround.
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