Cisco OL-4015-08 Manual de usuario descargar pdf (Pagina 421)

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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(31)S3

• 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.

• CSCej86009

Symptoms: The atmfImaMibTraps SNMP trap returns the NOSUCHINSTANCE error for the

imaAlarmType and imaAlarmStatus varbinds.

Conditions: This symptom is observed on a Cisco 7500 series but may be platform-independent.

Workaround: There is no workaround.

• 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.

• CSCek08638

Symptoms: Data traffic that is received by a provider edge (PE) router on an Ethernet port may not

be forwarded over an L2TPv3 tunnel.

Conditions: This symptom is observed on a Cisco 12000 series when the line card that faces the

customer edge (CE) router is one of the following line cards:

–

8-port Fast Ethernet, 100BASE-FX line card (8FE-FX-SC-B)

–

8-port Fast Ethernet, 100BASE-TX line card (8FE-TX-RJ45-B)

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