Cisco 7600-ES20-GE3CXL-RF - Ethernet Services 20G Line Card Switch Manual de usuario Pagina 207

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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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