Cisco OL-4015-08 Manual de usuario Pagina 14

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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)S9
Conditions: This symptom is seen when a secure copy session is started on a Cisco router running
Cisco IOS Release 12.0(32)SY8 and later and the TCP session is closed—for whatever reason—on
the client or server. After the TCP session is closed, the CPU spikes indefinitely.
Workaround: There is no workaround.
CSCtj57910
Symptoms: A serial interface on a Cisco 12000 is Up/Down after a PRP switchover.
Conditions: This symptom can occur after a PRP switchover. Any Layer 2 encapsulation type (PPP,
Frame Relay, and HDLC) is affected.
Workaround: Delete the interface (no channel-group) and recreate the interface (channel-group).
CSCtk13378
Symptoms: High CPU utilization is experienced by the “CEF LC IPC Backg” process on the E5
card.
Conditions: When there are multiple loadbalancing paths and a “cef clear linecard” command is
issued on the peer router or a shut/no shut is performed on one interface of this router, high CPU
utilization occurs from the CEF process.
Workaround: There is no workaround.
CSCtl04159
Symptoms: A BGP route map that is using a prefix list is not filtering outbound routes.
Conditions: A route map with a next hop and prefix list does not work.
Workaround: There is no workaround. You can use an access list if required.
CSCto83346
Symptoms: After reloading a CE device connected via ATM to a Cisco 12000 series Internet router
with an ATMoMPLS circuit, the CE device starts experiencing cell lost.
Conditions: PVP mode ATMoMPLS.
Workaround: Remove and re-add the xconnect configuration under the attachment circuit.
CSCtq33005
Symptoms: When BFD goes down on a Cisco 12000 series router that is running Cisco IOS
Release 12.0S, BGP may not tear the session down until the hold timer expires.
Conditions: This problem is seen on a subinterface that has been deleted and re-added.
Workaround: Create a new, unused subinterface and move the BFD session to the subinterface.
CSCtq33480
Symptoms: New link bundling entries may stop forwarding traffic.
Conditions: This symptom is seen with CEF link bundling entries on Engine 3 line card. The entries
appear corrupted.
Workaround: Reload line card.
CSCtr89883
Symptoms: SPA IPC packets are getting corrupted due to MPLS packets received on the slow path.
Conditions: This symptom occurs only with IP options packets that are received from the MPLS
core.
Workaround: Block the IP options packets.
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