Cisco OL-4015-08 Manual de usuario Pagina 110

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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(33)S1
But there were couple of discrepancies on the P in slot 10. There were no flags set on this P for the
mroute of PE. In addition, we found that PE was not receiving any PIM traffic from the P in slot 10.
This led to suspicion that although the P showed the correct S,G and OIL but is still not able to
forward traffic to the PE. And this could be the reason for PE to remain in registering mode hence
preventing the tunnels from coming up.
Workaround: Remove the following configurations:
a. rpm-xfh10-z135 - shut & remove interface Switch1.4073 b. rpm-xfh09-z134 - shut & remove
interface Switch1.4073 c. rpm-xfp11-l172 - remove interface Switch1.3172 d. rpm-xfp13-z074 -
remove interface Switch1.4074 e. rpm-xfp04-l171 - remove interface Switch1.3171
CSCsm45113
Symptom: Router may install duplicate routes or incorrect route netmask into routing table. It could
happen on any routing protocol. Additionally, for OSPF, crash was observed.
Conditions: The problem is triggered by SNMP polling of ipRouteTable MIB. The problem is
introduced by CSCsj50773, see the Integrated-in field of CSCsj50773 for affected images.
Workaround: Do not poll ipRouteTable MIB, poll newer replacement ipForward MIB. instead. The
ipRouteTable MIB was replaced by ipForward MIB in RFC 1354.
Further problem description: The clear ip route * command can correct the routing table until the
next poll of ipRouteTable MIB.
CSCsm45311
Symptoms: Active RP crashes because of FIA error.
Conditions: Crash is seen when ML provisioning/unprovisioning and Buffer Recarve is done.
Workaround: There is no workaround.
CSCsm45666
Symptoms: E5 LC crash on startup with multicast traffic flowing.
Conditions: Reboot the router.
Workaround: There is no workaround.
CSCsm48176
Symptoms: Line cards on a Cisco 12000 series router or a Cisco 7500 router might crash.
Conditions: This symptom is observed when the no ip multicast- routing distributed command for
a VRF is issued when multicast tunnels are up. This symptom is also observed when MVRFs are
deleted.
Workaround: Stop multicast traffic before deleting VRFs or issuing the no ip multicast-routing
distributed command.
CSCsm55274
Symptoms: Class Based Tunnel Selection (CBTS) stops working. Packets are sent through the
wrong tunnel.
Conditions: This symptom is observed when the tunnel flaps.
Workaround: There is no workaround. Once CBTS is broken, only a reload of the Line card clears
the problem.
CSCsm57369
Symptoms: On switchover, we see the overhead message appearing in config if we have not
configured.
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