Cisco 7600-ES20-GE3CXL-RF - Ethernet Services 20G Line Card Switch Manual de usuario Pagina 233

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679
Caveats for Cisco IOS Release 12.2(33)SRD through 12.2(33)SRD8
OL-10394-05 Rev. R0
Conditions: Issue is seen when loopback interface is set as passive under router IS-IS configuration
and the IPv6 address of the interface is only added afterwards. If the passive-interface command is
used when the loopback interface already has its IPv6 address configured, issue is not seen.
Workaround: After the IPv6 address is configured under the affected interface, remove and add the
passive-interface configuration under the router IS-IS process.
CSCsu73128
Symptoms: Router crashes.
Conditions: Occurs when large number of remote end points try to connect to the gateway at the
same time. The router may crash if "rsa-sig" is used as authentication method.
Workaround: There is no workaround.
CSCsu87181
Symptoms: When a Cisco 7600 router is running Cisco IOS Release 12.2(33)SRD and EVC MAC
security is enabled on a service instance, after the encapsulation is changed on the service instance,
the MAC address can not be learned dynamically for that service instance.
Conditions: This problem only occurs when the encapsulation is changed on a service instance.
Workaround: After the encapsulation is changed, remove the mac security command, then
re-configure the command.
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.
CSCsu97934
Symptoms: NPE-G1 is crashing with "pppoe_sss_holdq_enqueue" as one of the last functions.
Conditions: Unknown.
Workaround: Entering the deb pppoe error command will stop the crashing.
Resolved Caveats—Cisco IOS Release 12.2(33)SRD
All the caveats listed in this section are resolved in Cisco IOS Release 12.2(33)SRD. This section
describes only severity 1, severity 2, and select severity 3 caveats.
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