Cisco OL-4015-08 Bedienungsanleitung Seite 302

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654
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
Conditions This symptom is observed when the mpls ldp sync command is configured under OSPF.
Workaround: There is no workaround.
CSCeh35659
Symptoms: When the ip /jointfilesconvert/415844/bgp fast-external-fallover permit interface configuration command is
enabled on the main interface of a 4-port Gigabit Ethernet ISE line card and on a subinterface of a
connected BGP neighbor, and when you enter the shutdown interface configuration command on
the main interface, the BGP session that is established on the subinterface remains up for about
150 to 180 seconds before the BGP hold timer causes the session to go down.
Conditions: This symptom is observed on a Cisco 12000 series in a per-interface fast external
fallover configuration on a 4-port Gigabit Ethernet ISE line card. However, the symptom may also
occur on other platforms that function in a BGP configuration.
Workaround: There is no workaround. Note that the ip /jointfilesconvert/415844/bgp fast-external-fallover permit command
is currently not supported on subinterfaces.
CSCeh53906
Symptoms: A stale non-bestpath multipath remains in the RIB after the path information changes,
and BGP does not consider the stale path part of the multipath.
Conditions: This symptom is observed on a Cisco router that has the soft-reconfiguration inbound
command enabled and occurs only when the BGP Multipath Loadsharing feature is enabled for three
or more paths, that is, the number-of-paths argument of the maximum-paths number-of-paths
command has a value of three or more.
Workaround: Disable the soft-reconfiguration inbound command for the neighbor sessions for
which the BGP Multipath Loadsharing feature is enabled or reduce the maximum number of paths
for the BGP Multipath Loadsharing feature to two.
CSCeh66944
Symptoms: When you enable NSF for BGP, a BGP session flaps.
Conditions: This symptom is observed on a Cisco router that is configured for mVPN.
Workaround: Do not enable NSF if mVPN is also configured.
CSCei06089
Symptoms: Conditional advertisement of the default route via a route map does not work when you
enter the neighbor default-originate command.
Conditions: This symptom is observed on a Cisco router that is configured for BGP.
Workaround: Disable the route map entirely. If this is not an option, there is no workaround.
CSCei13040
Symptoms: When an OSPF neighbor comes back up after a very fast (sub-second) interface flap,
OSPF routes that are learned via the interface that flapped may not be re-installed in the RIB.
Conditions: This symptom is observed when the following two events occur:
The interface flaps very quickly.
The neighbor comes back up before the LSA generation timer expires.
Workaround: Enter the shutdown interface configuration command followed by the no shutdown
interface configuration command on the interface that flapped.
Alternate Workaround: Enter the clear ip route * EXEC command.
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