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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
Similarly, when you want to change the range of unit numbers (that is, tunnel IDs) that is used by
the mpls traffic-eng auto-tunnel mesh command, disable the command, change the range, save the
configuration, reload the router, and then re-enable the command, as in the following example:
no mpls traffic-eng auto-tunnel mesh
mpls traffic-eng auto-tunnel mesh tunnel-num min 10000 max 20000
...
copy run start
reload
mpls traffic-eng auto-tunnel mesh
• CSCeh31691
Symptoms: Changing the encapsulation of a POS interface from HDLC to PPP or the other way
around causes the link to go down.
Conditions: This symptom is observed when you change the encapsulation of a POS interfaces on
an Optical Services Module (OSM) that is installed in a Cisco Catalyst 6000 series or
Cisco 7600 series. However, the symptom is platform-independent.
Workaround: Power-cycle the OSM by entering the no power enable module slot command
followed by the power enable module slot command.
• CSCeh32706
Symptoms: An inter-AS TE LSP fails to send a signal after a router is rebooted as an ASBR.
Conditions: This symptom is observed when there are parallel links between ASBRs with a
combination of point-to-point and broadcast interfaces that are configured with the MPLS Traffic
Engineering—Inter-AS TE feature and (passive) link flooding.
Workaround: Shut down the broadcast interface between the ASBRs.
• CSCeh35411
Symptoms: A line card or port adapter may crash repeatedly when the router in which the line card
or port adapter is installed comes up after a software-forced crash has occurred on the router.
Conditions: This symptom is observed on a Cisco router that is configured for IPv6 MPLS and that
has redundant RPs that are configured for SSO. The symptom is more likely to occur when the ipv6
unicast-routing command is enabled.
Workaround: To diminish the chance that the symptom occurs, disable the ipv6 unicast-routing
command.
• CSCeh35422
Symptoms: A PRP switchover causes “%SYS-2-NOTQ” and “%SYS-2-LINKED” error messages
and some tracebacks to be generated on a 1-port channelized OC-12c/STM-4 (DS1/E1) ISE line
card, the serial interfaces of the line card flap, and eventually the line card resets.
Conditions: This symptom is observed on a Cisco 12000 series that runs Cisco IOS
Release 12.0(28)S or Release 12.0(30)S, that is configured with two PRPs, and that has the
redundancy mode set to SSO.
Workaround: There is no workaround.
• CSCeh37351
Symptoms: In the a tag switching-to-IP switching scenario with an ISE ingress line card and an
Engine 4 plus (E4+) egress line card, the following bad packets may be forwarded to the E4+ line
card:
–
tag2ip, with bad ip hdr cksum
–
tag2ip, with ip->tl > L2
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