Cisco 7600-ES20-GE3CXL-RF - Ethernet Services 20G Line Card Switch Uživatelský manuál Strana 143

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Caveats for Cisco IOS Release 12.2(33)SRD through 12.2(33)SRD8
OL-10394-05 Rev. R0
Symptoms: Port-channel QinQ subinterface on ESM20 and SIP600 line cards do not pass traffic
after router reload and line card reset.
Conditions: This condition is seen after router reload or member link line card reset. This is not seen
when configuration is newly applied.
Workaround: To recover from the condition, perform a shut/no shut on the port channel main
interface.
CSCsu53497
Symptoms: Traffic loss occurs in routed-PW interfaces.
Conditions: Occurs following router bootup with highly scaled VPN, PW, and SVI configuration.
Workaround: Perform a shut/no shut on SVI or on the failing interfaces.
CSCsu54801
Symptoms: IPv6/IPv6 Tunnel adjacency information is incomplete on the line card. This prevents
IPv6/IPv6 multicast traffic on the tunnel.
Conditions: The symptoms are observed under normal operation.
Workaround: There is no workaround.
CSCsu55145
Symptoms: Router crashes due to critical software exception.
Conditions: Occurs on a Cisco ASR 1000 running Cisco IOS Release 12.2.
Workaround: There is no workaround.
CSCsu55883
Symptoms: With MLPPP configured on OSM, the following symptoms may be observed:
1. Line card might crash.
2. Links might flap.
3. Following error message from line card might be seen: “SLOT 9: Sep 14 13:48:48.479 CDT:
%COMMON_FIB-3-FIBIDBINCONS2: An internal software error occurred. Multilink1 linked to
wrong idb R11_Mu1”
Conditions: Occurs on routers running various Cisco IOS Release 12.2SR releases. Performing a
shut/no shut on the OSM (especially on the card containing MLPPP) interfaces might trigger this
issue.
Workaround: There is no workaround.
CSCsu56806
Symptoms: Hot Standby Routing Protocol (HSRP) IPv6 configuration can be re-added to a VLAN
by software after the configuration has been deleted.
Conditions: If Hot Standby Routing Protocol (HSRP) IPv6 is configured on a VLAN interface, and
the VLAN interface is deleted, then the HSRP IPv6 configuration will reappear on the VLAN if the
VLAN is later recreated. Once this occurs then there is no way to remove the HSRP configuration.
Workaround: Remove the HSRP configuration before deleting the VLAN.
CSCsu57182
SYMPTOM:
The Cisco IOS may experience high CPU utilization.
CONDITIONS:
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