Cisco OL-4015-08 Bedienungsanleitung PDF herunterladen (Seite 571)

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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)S3

Conditions: This symptom is observed on a Cisco 12416 that runs the c12kprp-p-mz image of a

Cisco IOS interim release for Release 12.0(31)S and that is configured with dual PRPs and a scaled

configuration.

Workaround: There is no workaround.

• CSCeh14012

Symptoms: A 1-port channelized OC-12/STM-4 (DS1/E1) ISE line card on a CE router may crash

when many (168) MLP interfaces are deleted and reconfigured via TFTP on a directly-connected PE

router.

Conditions: This symptom is observed on a Cisco 1200 series that functions as a CE router.

Workaround: There is no workaround.

• CSCeh14063

Symptoms: MPLS Layer 3 VPN traffic cannot be forwarded from a main interface that is also used

for Layer 3 VPN de-aggregation traffic and Layer 2 VPN traffic.

Conditions: This symptom is observed on Cisco 12000 series POS ISE line card that is configured

for Frame Relay encapsulation when one of its subinterfaces is used for Layer 3 VPN de-aggregation

and when a Frame Relay DLCI that is used for Layer 2 VPN traffic is configured on the same main

interface.

Workaround: There is no workaround.

• CSCeh15364

Symptoms: On a router that is configured for multi-router APS, the APS interfaces remain in the

Active/Inactive states. One of the interfaces is Active, while the other is Inactive. However, when

the line card holding the APS protect interface is reloaded and the line card comes back up, both the

Working and Protect interfaces end up in Active state.

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

Release 12.0(28)S2. Not every protect line card reload causes the symptom occur. The symptom is

readily observed when the reload of a Protect line card is accompanied by a simultaneously

occurring Signal Fail/Signal Degrade (set/clear) event on the Working line card.

Workaround: There is no workaround to prevent the symptom from occurring. However, when both

interfaces are in the Active state, a manual or forced APS switch may restore sanity to the APS

states.

• CSCeh17756

Symptoms: The PIM assert mechanism may not function properly, causing PE routers to remove

VRF subinterfaces from output interface lists, and, in turn, causing multicast traffic to be dropped.

Conditions: This symptom is observed when redundant PE routers and CE routers are located on one

LAN segment and when the CE routers select different PE routers as their next hop.

Workaround: Change the configuration in such a way that all CE routers on one LAN segment select

the same PE router as their next hop.

• CSCeh18195

Symptoms: Packets that flow to VPNv4 destinations may be dropped for up to one second when the

next-hop router clears its IS-IS overload bit after having been rebooted.

Conditions: This symptom is observed in a MPLS-TE network with one-hop TE tunnels.

Workaround: There is no workaround.

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