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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)S
Conditions: This symptom is observed when MPLS TE and more than one OSPF process are
configured on the router.
Workaround: There is no workaround.
CSCeh07809
Symptoms: When BGP nexthop information for a prefix changes because of topology changes, BGP
properly updates its path information and IP routing table entry but CEF may not update the
corresponding CEF entry, causing a stale entry. This inconsistency between BGP and CEF may
cause a connectivity problem.
Conditions: This symptom is observed when the nexthop information changes to an existing prefix
entry in the BGP routing table. Typically, this occurs when the interface through which the prefix is
learned goes down.
Workaround: Flush out the stale CEF entry by entering the clear ip /jointfilesconvert/415844/bgp command or withdraw and
readvertise the prefix by the source router, which enables the affected router to refresh the CEF
entry.
CSCeh09588
Symptoms: During an NSF switchover on a RP, the convergence may be delayed up to five minutes.
Conditions: This symptom is observed when a DBD exchange error occurs while the adjacency is
brought up.
Workaround: Enter the clear ip ospf process command on the affected router.
CSCeh16989
Symptoms: The Multiprotocol BGP (MP-BGP) network entries counter increases above the real
number of reachable networks.
Conditions: This symptom is observed when network activity occurs in a non-converged
environment. The correct number of network entries is restored when there is a period of BGP
stability that last for about 1 minute or more because BGP is able to converge and the scanner has
time to run and collect the old network entries. However, if there is a sustained period of churn and
BGP is only able to converge for a few seconds before new updates arrive, old BGP network entries
are not cleaned up, causing the MP-BGP network entries counter to increase above the real number
of reachable networks.
Workaround: There is no workaround.
CSCin74330
Symptoms: The LDP Hello process may not be reinitiated after a TDP ID is received, preventing
LDP neighbors from being discovered.
Conditions: This symptom is observed on a Cisco router that does not have an IP address configured
when you first enter the mpls ip command and then assign the IP address.
Workaround: Assign the IP address to an interface of the router before you enable MPLS.
CSCin87277
Symptoms: CPUHOG messages are generated when you bring up OSPF adjacencies on hundreds of
subinterfaces.
Conditions: This symptom is observed when LSAs are configured to be refreshed every 30 minutes.
Workaround: There is no workaround.
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