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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)S13
Workaround: There is no workaround.
• CSCsv26606
Symptoms: A 1xCHOC12 controller goes down, and all links flap.
Conditions: This symptom is observed when the show plim datapath details command is executed
on the line card, which dumps a lot of information on the console.
Workaround: Avoid using the show plim datapath details command; instead, use the per-channel
show plim datapath channel-id details command.
• CSCsv73509
Symptoms: When “no aaa new-model” is configured, authentication happens through the local even
when tacacs is configured. This happens for the exec users under vty configuration.
Conditions: Configure “no aaa new-model”, configure login local under line vty 0 4 and configure
login tacacs under line vty 0 4.
Workaround: There is no workaround.
• CSCsv82120
Symptoms: A CHOC12 T1 continuously flaps when the T1 link that is connected to a third-party
CE router flaps. With the Cisco router, the same issue is not observed.
Conditions: This symptom is observed under the following conditions:
–
Cisco IOS Release 12.0(32)S11n.
–
CHOC12 T1 links with a third-party CE router.
Workaround: Disable “yellow detection” on the CHOC12 T1 link. For example, serial interface
12/0.7/6:0:
controller sonet 12/0
sts-1 7
no t1 6 yellow detection
! Wait for the T1 to stabilize.
t1 6 yellow detection
!
• CSCsw31009
Symptoms: CEF Scanner takes high CPU for sustained periods of time around 10 minutes.
Conditions: This symptom is observed on a Cisco router that is running Cisco IOS
Release 12.0(32)S11n. It is seen under the following conditions:
–
When multiple eiBGP paths exist for a certain prefix and the eBGP path is recursive through the
attached next-hop.
–
A large number of prefixes that have one iBGP path that is recursive through an IGP route that
has one path, and one iBGP path that is recursive through an IGP route that has multiple paths.
–
A route modification for load-balanced prefix.
Workaround: Configure a static route.
• CSCsw47346
Symptoms: A switchover cannot be performed on a Cisco 7500 router.
Conditions: This symptom is observed when test crash is issued on a VIP console.
Workaround: There is no workaround.
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