Cisco OL-4015-08 Manual de usuario Pagina 54

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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(33)S3
A. Configure/Unconfigure Channels:
1. Under sonet framing, configure some T1 lines.
2. Unconfigure these T1 lines.
3. Change the framing to sdh and configure some E1 lines.
4. Unconfigure these E1 lines.
5. Change the framing to sonet and configure some T1 lines.
B. Change Framing:
1. Change the framing without deleting all the channels; a warning message to delete all channels
before changing the framing will be issued.
2. Delete all the channels.
3. Change the framing multiple times from sonet to sdh, from sdh to sonet, and then from sonet to
sdh again.
Workaround: There is no workaround.
CSCsq31776
Cisco devices running affected versions of Cisco IOS Software are vulnerable to a denial of service
(DoS) attack if configured for IP tunnels and Cisco Express Forwarding. Cisco has released free
software updates that address this vulnerability. This advisory is posted at
http://www.cisco.com/warp/public/707/cisco-sa-20090923-tunnels.shtml.
CSCsq91960
Symptoms: VRF may not get deleted if the VRF NAME size is 32 characters on a dual RP HA/SSO
router.
Conditions: This symptom occurs when adding a VRF with 32 characters on a DUAL RP HA router.
(In some releases a VRF name with more than 32 characters will get truncated to 32.) The following
may occur:
There may be a DATA CORRUPTION ERRMSG.
While deleting this 32 character length VRF, VRF will fail to get deleted completely with an
ERRMSG on active.
Workaround: There is no workaround.
CSCsq96435
Symptoms: Line cards get stuck in the WAITRTRY state after an RP switchover and a router reload.
Conditions: This symptom is observed on a Cisco 12810 and 12816 Internet series router that is
booted with Cisco IOS Release 12.0(32)S11. The symptom is seen on both E4+ and E6 line cards
and also during reload.
Workaround: There is no workaround.
CSCsr04198
Symptoms: Traffic for certain pairs of sources and destinations is dropped.
Conditions: This symptom is observed under the following conditions:
1. Destinations are routed via a default route.
2. Load-balancing is in place.
Workaround: Break and restore load-balancing by changing IGP metrics.
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