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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 12000 series that runs Cisco IOS
Release 12.0(22)S5.
Workaround: There is no workaround.
CSCed57204
Symptoms: When a large number of VRFs are configured, input OAM F5 loopback cells on the ATM
interface are dropped continuously, even without traffic. You can see drops at “OAM cell drops” in
the output of the show atm traffic EXEC command and at “Input queue drops” in the output of the
show interface ATM EXEC command.
Conditions: This symptom is observed on a Cisco 7500 series that runs Cisco IOS Release 12.2(19),
Release 12.3(5), or Release 12.3(4)T2 when the oam-pvc manage and ip vrf global configuration
commands are configured. The symptom may also occur in other releases.
Workaround: Remove the ip vrf command. There is no workaround for a router such as a provider
edge (PE) router that cannot remove VRFs.
CSCee04893
Symptoms: A Cisco router is not able to forward traffic to a TE tunnel.
Conditions: This symptom has been observed on a Cisco 10000 running Cisco IOS
Release 12.0(26)S1 and Release 12.0(27.3)S1 with Multilink PPP + MPLS + TE Tunnel.
Workaround: There is no workaround.
CSCee43853
Symptoms: The following tracebacks are generated when a Cisco 10000 series is reloaded or when
a manual or unexpected PRE switchover occurs:
%FIB-2-HW_IF_INDEX_ILLEGAL: Attempt to create CEF interface for unknown if with
illegal index: 0
-Traceback= 602FF2F0 603061EC 6040257C 60099DD4 60099F20 6009A574 604D8E88604E0040
603C85C8 603D80CC 603D8310 6048381C 6047EEC4 6047894C 60480EF4 604810CC
Conditions: This symptom is observed on a Cisco 10000 series that runs Cisco IOS
Release 12.0(30)S or Release 12.0(30)S1 and occurs always when Gigabit Ethernet line cards are
installed in the router. The occurrence of the symptom does not depend on any other particular
configuration of the router, and the tracebacks are generated only at startup, not during normal
operation.
Workaround: There is no workaround.
CSCee49035
Symptoms: An incorrect update-source interface is selected for a multicast tunnel interface in an
MVPN configuration.
Conditions: This symptom is observed when the provider edge (PE) router is also an ASBR with
eBGP peers or has non-VPNv4 peers with higher IP addresses than the peer that has VPNv4 enabled.
MVPN requires that the BGP update source address of a VPNv4 peer is selected as the MTI source
address.
Workaround: There is no workaround.
CSCef23912
Symptoms: A traceback is generated on the console and logged in the logging buffer, and the count
in the output of the show alignment command increments.
Conditions: This symptom is observed on a Cisco 10000 series that is configured as a provider edge
(PE) router when you enter the show mpls forwarding command to show the pop labels and the
active LDP peers.
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