Cisco OL-4015-08 Bedienungsanleitung Seite 233

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Cross-Platform Release Notes for Cisco IOS Release 12.0S
OL-1617-14 Rev. Q0
Caveats
Resolved Caveats—Cisco IOS Release 12.0(32)S6
CSCek61974
Symptoms: Cisco IOS router supporting BFD (Bi-Directional Forwarding Detection) will be able to
configure minimum receive interval as low as 1 ms.
Conditions: If BFD minimum receive interval is configured below 50 ms, it can cause undesirable
effects on the router. Also minimum receive interval below 50 ms is not supported in Cisco IOS.
Workaround: Configure minimum receive interval of 50 ms or higher in Cisco IOS.
CSCek62546
Symptoms: Dual RP GSR reached an unreachable state during maintenance window, while new
interfaces were being commissioned.
Once in this state, most of the interfaces on the router were down/down, and could not be brought
up by shutting down and restarting or by reloading the line card.
Conditions: The memory leak was found in a function call made by the write memory command
when NTP is running and/or the clock calendar-valid command has been configured.
Workaround: The router was reloaded to recover from this state. (RP switchover was also found to
recover the router).
Further Problem Description: For these instances, the show controller csar queues command
showed that the Free Queue available are 0, and all F/Q have been allocated and not released.
CSCsc25844
Symptoms: The standby RSP crashes in loop just after config sync by TLB exception
Conditions: This symptom has been observed on a Cisco 7500 with dual RSP4+ running
Cisco IOS Release 12.0(31)S2 and configured for SSO.
Workaround: There is no workaround.
CSCsc31082
Symptoms: When performing the show policy-map interface MFR command, the counters do not
increment.
The counters in show policy-map interface MFR do not increment for any type/class of service.
Even the class-default shows 0 packets. The counters in show frame-relay pvc show the packets
correctly.
Conditions: This symptom has been observed when a map-class is configured under an MFR
(FRF.16) bundle (sub- interface). This map-class consists of both an input and output service-policy.
Workaround: There is no workaround.
CSCsd55004
Symptoms: A FRR backup tunnel undergoes reoptimization, resulting in the teardown of the old lsp
that is carrying traffic for primary lsps that have cutover to the backup tunnel.
Conditions: This symptom has been observed with:
TE tunnel protecting interfaces/links.
Usual triggers for re-optimization (link up, timer expiry, etc).
Workaround: There is no workaround.
CSCsd60816
Symptoms: A customer running a Cisco 12000 series router with a Cisco 12000-SIP-400 and
SPA-4XCT3/DS0 and SPA-4XT3/E3.
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