Cisco 7600-ES20-GE3CXL-RF - Ethernet Services 20G Line Card Switch Manual de usuario Pagina 74

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Caveats for Cisco IOS Release 12.2(33)SRD through 12.2(33)SRD8
OL-10394-05 Rev. R0
CSCtd62220
Symptoms: The following error is seen:
%DATACORRUPTION-1-DATAINCONSISTENCY: copy error
Conditions: The symptom is observed under normal use. The issue is not consistently reproducible
and is a corner case.
Workaround: There is no workaround.
CSCtd66014
Symptoms: ES+ line card crashes at powerup of a Cisco 7600 router that is running Cisco IOS
12.2SRE image if either the Traffic Manager or Frame memories in the ES+ Network processors
report a double bit ECC error. The ES+ line card crashinfo will have the following string:
%NP_DEV-DFC2-3-ECC_DOUBLE: Double-bit ECC error detected on NP 0, Mem 19, SubMem
0x1,SingleErr 1, DoubleErr 1 Count 1 Total 1
Conditions: Router reloads, OIR of ES+ cards, system environment temperatures that slowly vary
around an ambient temperature of about 30 degreesC. This happens at system powerup. We have
seen double bit ECC problems reported after a few hours of traffic if the ambient temperatures vary
around 30 degreesC.
Workaround: No configuration workaround is available. The line card will reset itself and will be
operational in the second reload.
CSCtd66918
Symptoms: Standby Supervisor continually resets during detection of bad hardware in the system.
Conditions: The symptom is observed when the bad line card is inserted in the slot following the
Standby Supervisor slot (e.g.: Standby Supervisor in slot 6 and bad line card in slot 7).
Workaround: There is no workaround.
CSCtd72426
Symptoms: Checkpointing facility on the standby SP is leaking memory buffers. This can lead to a
WATERMARK error message.
Conditions: The symptom is observed with the checkpointing facility on the standby SP.
Workaround: There is no workaround.
Further Problem Description: This issue can be checked with the command show ipc session all
verbose from the standby SP. This output will show more messages requested then messages
returned for the client “CHKPT:STANDBY SP” and this difference will grow every day. The show
check client command from the standby SP will show the buffers held for “REP CHKPT CLIENT”
and that this value is increasing over time.
CSCtd72462
Symptoms: A Cisco 7600 series router with an RSP720-3C processor may unexpectedly reboot after
the show policy-map interface command is executed.
Conditions: The issue is seen when there is a policy map on an interface with the following:
No set action.
No shared aggregate policer action.
No aggregate policer action.
uflow policer with “conform action” configured.
Workaround: There is no workaround.
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