Cisco 7600-ES20-GE3CXL-RF - Ethernet Services 20G Line Card Switch Manual de usuario Pagina 282

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Caveats for Cisco IOS Release 12.2(33)SRD through 12.2(33)SRD8
OL-10394-05 Rev. R0
Conditions: BGP does not have to be running prior to the redistribute /jointfilesconvert/422273/bgp <AS> configuration
commands being entered. The crash is not specific to any other routing protocol, so entering two
BGP redistribution commands with different AS numbers anywhere on the router can trigger the
crash.
Workaround: Check configurations before applying them to the router to be sure that the AS
numbers used for all redistribution commands are correct.
CSCsl70343
Symptoms: When Ethernet CFM is enabled and MEP is configured on a router, it does not learn the
remote MEPs.
Conditions: No output is shown when the show ethernet cfm maintenance-points remote level 5
command is entered.
Workaround: There is no workaround.
CSCsl70408
Symptoms: During the active & stand-by PRE synchronization on Cisco 10000, stand-by PRE
encounters CPU hogs which eventually results in active resetting the stand-by. Standby displays the
following message:
*Oct 16 07:43:00: %SYS-3-CPUHOG: Task is running for (6000)msecs, more than
(2000)msecs (2/2),process = BEM VERIFY
Conditions: Occurs on a Cisco 10000 (PRE-2/PRE-3) with a large (2mb+) configuration and
configured for stateful switchover (SSO).
Workaround: Disable/remove the standby PRE.
CSCsl70667
Symptoms: A line card crash is observed after the following error messages:
FIBXDRINV: Invalid XDR format. FIB entry XDR has bogus routecount
Conditions: This error message and crash are seen very rarely after OIR of the line card.
Workaround: There is no workaround.
CSCsl70722
Symptoms: A router running Cisco IOS may crash due to watchdog timeout.
Conditions: Occurs when IP SLA probes are configured and active for a period of 72 weeks. After
this much time has passed, polling the rttmon mib for the probe statistics will cause the router to
reload. Then the problem will not be seen again for another 72 weeks.
Workaround: There is no workaround.
CSCsl70729
Symptoms: Following switchover, state sync to standby for 2,000 layer 2 virtual circuits takes 4-5
minutes, during which CPU usage is also very high (99%).
Conditions: This was observed with 2,000 anything over MPLS (AToM) circuits configured for
nonstop forwarding (NSF) and stateful switchover (SSO).
Workaround: There is no workaround.
CSCsl70963
Symptoms: Whenever there is member link updates and/or parent class policy-map modification
which involves bandwidth change, the bandwidth change will not be reflected on the SIP2 linecard.
Conditions: The symptom is observed on any hardware switching platform/linecard, such as
SIP-400.
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