Cisco OL-4015-08 Bedienungsanleitung PDF herunterladen (Seite 535)

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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(30)S5

Workaround: There is no workaround.

• CSCej43126

Symptoms: When you reload a 1-port channelized OC-12 ISE line card, all traffic over the line card

may be dropped, and an error message and traceback similar to the following may be generated:

%IPCGRP-3-SYSCALL: System call for command 14 (slot7/0) : ipc_send_rpc_blocked

timed-out (Cause: timeout) -Traceback= 1F9F20 1FA028 491DC4 49291C 492D08 2E17EC

Conditions: This symptom is observed on a Cisco 12000 series that runs an interim release for

Cisco IOS Release 12.0(32)S and that functions in a scaled configuration.

Workaround: Reload the router. If this is not an option, there is no workaround.

• CSCej69557

Symptoms: After you reload a PE router that functions in an MVPN topology and that is configured

for sparse mode and Auto-RP, the router may not learn the Auto-RP that is advertised by both a local

and remote CE router, preventing traffic from resuming to flow.

Conditions: This symptom is observed on a Cisco 12000 series that runs an interim release for

Cisco IOS Release 12.0(32)S and that functions as a PE router. The symptom may also occur in

other releases of Release 12.0S.

Workaround: Enter the clear ip mds line command.

• CSCej82265

Symptoms: An MPLS TDP peer is down.

Conditions: This symptom is observed on a Cisco 12000 series that runs Cisco IOS

Release 12.0(31)S3 and that has the mpls ldp protocol tdp command configured on the interface

on which TDP peering cannot be established. The peer router has the mpls ldp protocol both

command configured.

Workaround: Enter the mpls ldp protocol tdp command on the peer router. Note that this

workaround may not be plausible for routers that run a legacy Cisco IOS software that only supports

TDP.

• CSCej86175

Symptoms: In a multicast VPN (MVPN) environment, when a Stateful Switchover (SSO) occurs on

a PE router, the multicast traffic in the MVRF does not recover because the neighboring PE router

fails to re-establish its PIM neighbor relationship. Note that the symptom does not occur for unicast

traffic.

Conditions: This symptom is observed on a Cisco 12000 series that runs Cisco IOS

Release 12.0(31)S2 or an interim release for Release 12.0(32)S and that functions as a PE router

(PE1) in the following topology:

multicast origination --> PE2 --> PE1 --> CE1 --> multicast termination

When an SSO occurs on PE1, PE2 does not re-establish its PIM neighbor relationship with PE1 in

the MVRF. PE1 and PE2 are global PIM neighbors.

Workaround: Reload PE1.

Further Problem Description: When the symptom occurs, PE1 still shows PE2 as its PIM neighbor

in the MVRF. Clearing the multicast route in the MVRF does not help to resolve this issue.

• CSCek05730

Symptoms: A Cisco 7200 series that runs Cisco IOS Release 12.0(31)S1 may crash unexpectedly

because of a bus error and/or display some spurious memory accesses.

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