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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)S5
• CSCek31439
Symptoms: If the sender and receiver for a multicast group are on the same line card on a PE router,
the v flag may be set, causing traffic to be punted to the RP.
Conditions: This symptom is observed on a Cisco 12000 series when a hash collision occurs. The
symptom may not be platform-specific.
Workaround: There is no workaround.
• CSCek31489
Symptoms: MQC ingress policing may not filter multicast traffic.
Conditions: This symptom is observed on a Cisco 12000 series that runs Cisco IOS
Release 12.0(32)S when the MQC policy map is configured on an OC-12 subinterface of a 1-port
channelized OC-48 ISE line card in the ingress direction.
Workaround: There is no workaround.
• CSCek37693
Symptoms: The speed command cannot be configured on FE interfaces.
Conditions: This symptom has been seen on a Cisco 7500 series router with a PA- 2FE-TX in a
VIP4-80. The FE port is connected to a switch port. If the switch port is set for 10MB and the FE
interface is unable to be manually configured with the speed command, the FE interface will be in
an up/down state.
Workaround: Use the speed auto command on the switch port that connects to the FE interface on
the router. By using this workaround, you will not be able to throttle the bandwidth to 10MB as
desired. The interface will be up/up, and will pass traffic at 100MB.
• CSCek38260
Symptoms: Routers may crash with MPLS VPN configuration and shutting down PE-CE link.
Conditions: The symptoms may occur when the router acts as a PE on the MPLS VPN topology and
when one or more PE-CE links are shut down.
Workaround: There are no workaround.
• CSCin96524
Symptoms: Control plane traffic may be dropped from a multilink interface.
Conditions: This symptom is observed only when the multilink interface is oversubscribed and does
not occur under normal traffic conditions.
Workaround: Reduce the traffic rate.
Alternate Workaround: Apply some type of queueing mechanism on the interface.
• CSCsa46484
Symptoms: A VIP or FlexWAN module in which a PA-POS-2OC3 port adaptor is installed may
crash.
Conditions: This symptom is observed rarely and at random on a Cisco 7xxx series router or
Cisco Catalyst 6000 series switch.
Workaround: There is no workaround.
• CSCsa63173
Symptoms: CEF may not be updated with a new path label that is received from the BGP peer.
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