Cisco OL-4015-08 Manual do Utilizador Página 361

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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)S
CSCsb25404
Symptoms: The startup configuration in NVRAM is not loaded onto line cards when the router is
manually reloaded.
Conditions: This symptom is observed on a Cisco 12000 series that functions as a multiservice edge
(MSE) router when the ATM Cell Relay over MPLS feature is configured on 500 connections. The
symptom may also occur on other platforms.
Workaround: After the router has been reloaded, cut and paste the initially rejected configuration
onto the line cards.
CSCsb27311
Symptoms: After you have send linerate traffic via an IMA interface for a while, a ping fails in a
packed cell relay configuration via ATM over L2TPv3 pseudowires.
Conditions: This symptom is observed in a scalable packed cell relay configuration on an IMA
interface of a PA-A3-8E1IMA or PA-A3-8T1IMA port adapter that is installed in a
Cisco 7200 series or Cisco 7500 series.
Workaround: There is no workaround.
CSCsb28139
Symptoms: An LDP/BGP adjacency is not formed, and a ping does not go through.
Conditions: This symptom is observed on a Cisco 12000 series that functions in a scaled VPN
environment when an Engine 6 line card faces the core of the MPLS network.
Workaround: Enter the clear ip route * command.
CSCsb29326
Symptoms: An snmpwalk for cmplsFrrFacObjects for the FRR-MIB fails to show entries for a
tunnel headend.
Conditions: The symptom is observed on a Cisco 12000 series that runs Cisco IOS
Release 12.0(26)S6, Release 12.0(28)S3, or Release 12.0(31)S.
Workaround: There is no workaround.
CSCsb33258
Symptoms: An RP crashes during BGP convergence when MVPNs are configured.
Conditions: This symptom is observed on a Cisco router after a duplicate BGP MDT extended
community message is received that specifies a different Route Descriptor (RD) for an MDT that
already exists for the specified MDT source and group address.
Workaround: There is no workaround.
CSCsb34838
Symptoms: A line card or port adapter may generate SYS-6-STACKLOW error messages and reload
because of a software forced crash. The crashinfo file shows that the crash is caused by the CEF
Scanner process that is related to recursive calls:
%SYS-6-STACKLOW: Stack for process CEF Scanner running low, 0/6000
The output of the show cef events command for the line card or port adapter shows that a CPU hog
condition occurs after the CEF Scanner process:
...
Process Scanner event loop enter
CPUHOG -1ms XDRtyp 8=control len=11 Hex:0F0000079C00FA00
CPUHOG 2044ms XDRtyp 8=control len=13 Hex:08000000038E2A541A01
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