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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(32)S
• CSCei07556
Symptoms: The PPP protocols flap on a 64K-port of an interface of a 1-port channelized
OC-12/STM-4 (DS1/E1) ISE line card that is configured for CoS and that is congested.
Conditions: This symptom is observed when two Cisco 12000 series are connected back-to-back,
when the routers are connected via 1-port channelized OC-12/STM-4 (DS1/E1) ISE line cards, and
when you send real-time traffic.
Workaround: Change the QoS output policy to prevent traffic from being for longer than 10 seconds
and enable keepalive packets to time out.
Further Problem Description: The symptom does not occur when you do not send real-time traffic.
• CSCei07805
Symptoms: When a router has a large VRF configuration and a lot of routing information, the
following error messages may be generated during an SSO switchover:
%FIB-3-FIBDISABLE: Fatal error, slot/cpu 5/0: keepalive failure
The following CPUHOG error message and traceback may also be generated:
%SYS-3-CPUHOG: Task is running for (2000)msecs, more than (2000) msecs
(272/145),process = IPC LC Message Handler.
-Traceback= 40EAF5D8 411DBE94 411DBFB8 411DC5D0 411DEFEC 411DEE90 411E0200 41093100
410932B8
After the FIBDISABLE error messages has been generated, the router may no longer function
properly.
Conditions: This symptom is observed on a Cisco 7600 series but is platform-independent.
Workaround: There is no workaround.
• CSCei07946
Symptoms: When the active rate for a destination PE router is evenly distributed at 4 pps for
20 flows and the active rate for a destination CE router is evenly distributed at 4 pps for 19 flows,
one flow is reported at twice that rate (that is, 8 pps).
Conditions: This symptom is observed on a Cisco 12000 series that functions in a MVPN VRF-Lite
environment with 20 multicast streams that have a single sustained cell rate (SCR) and that have the
pps rate evenly distributed across all streams.
Workaround: There is no workaround.
• CSCei08381
Symptoms: Engine 3 and Engine 5 line cards in a Cisco 12000 series may fail continuously.
Conditions: This symptom is observed on a Cisco 12000 series that runs a Cisco IOS interim release
for Release 12.0(32)S when control-plane policing is configured on the line cards in the router.
Workaround: There is no workaround.
• CSCei08472
Symptoms: The following error message is displayed:
Router(config)#policy-map foo Router(config-pmap)#class match_prec1
Router(config-pmap-c)#band per 2 Service-policy is not supported on interface
Multilink100.
Conditions: This symptom occurs when a service policy that is attached to a multilink interface with
no members is modified.
Workaround: There is no workaround.
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