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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)S
Conditions: This symptom is observed when an alarm as defined in the ANSI T1.231 specification
occurs.
Workaround: There is no workaround.
• CSCee71156
Symptoms: Unexpected behavior may occur when the tx-ring-limit ring-limit command and HQF
are configured: a memory leak may occur in the pool manager of the router.
Conditions: This symptom is observed when traffic is sent at high speed (higher than the line rate)
and when the ring-limit argument is less than 255.
Workaround: There is no workaround.
• CSCee72027
Symptoms: WRED does not share WRED labels even when WRED parameters are identical.
Because Engine 4 and Engine 4+ line cards have only seven WRED labels, when you configure
WRED for all eight IP precedences, the line cards display the following error:
% Can not configured WRED, all WRED labels are in use.
This situation prevents part of the precedence (WRED group) command for the 8th IP precedence
from being applied to the interface policy map.
Conditions: This symptom is observed when you apply a policy map that uses more than seven
WRED labels and when WRED labels are not shared.
Workaround: There is no workaround.
• CSCee72353
Symptoms: An LDP session over a tunnel interface may drop and not come back up.
Conditions: This symptom is observed on a Cisco router that runs Cisco IOS Release 12.0 S when
auto-tunnel traffic engineering is configured and when RSVP label distribution and LDP are
configured in the MPLS core.
If the no mpls ip command is configured on the physical interface to disable LDP, and RSVP label
distribution remains enabled, auto-tunnel traffic engineering fails and you cannot bring the tunnel
back up.
Workaround: Run LDP in the MPLS core for all interfaces that have auto-tunnel traffic engineering
configured.
• CSCee73182
Symptoms: A channel-group link-bundling configuration may disappear from a member interfaces
configuration when you reload the router.
Conditions: The symptom is observed on a link-bundling interface (for both POS and GE) on a
Cisco 12000 series that runs a Cisco IOS interim release of Release 12.0(29)S.
Workaround: Configure the channel group on the link-bundle member interfaces after the router has
reloaded.
• CSCee73410
Symptoms: When you enter the redundancy force-switchover command, IPC messages and
tracebacks may be generated on an Engine 2 3-port GE line card.
Conditions: The symptom is observed on a Cisco 12000 series that runs Cisco IOS
Release 12.0(28)S or an earlier release and that has dual GRPs or dual PRPs.
Workaround: There is no workaround.
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