Cisco 7600-ES20-GE3CXL-RF - Ethernet Services 20G Line Card Switch Manual de usuario Pagina 52

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498
Caveats for Cisco IOS Release 12.2(33)SRD through 12.2(33)SRD8
OL-10394-05 Rev. R0
Conditions: This issue is common to different platforms such as the Cisco 7300, Cisco 7304, and
Cisco 7200. Stuck can happen with and without service policy also.
Workaround:
1. Do a “shut”/”no shut” of affected interface.
2. Do a soft OIR of affected slot.
CSCsz81158
Symptoms: Stale prefixes are seen in BGP tables because of missing withdrawals.
Conditions: The symptom is seen in a scale setup where the UUT has hundreds of peers. After
several hundred thousand prefixes have been exchanged, the removal of some prefixes at a neighbor
will not cause the UUT to send withdrawals of those prefixes to the neighbors it has already
advertised those prefixes to.
Workaround: Do a hard reset.
CSCsz83570
Symptoms: SSH sessions disconnect during large data exchanges, such as large logs with pagers.
Conditions: The symptom is observed when large amounts of data are exchanged between both ends:
client and server (i.e.: the client provides a large input to the server and the server has a large output
to send to the client). The session gets hung momentarily and disconnects after the timeout period
of 120 seconds.
Workaround: Use 3DES for encryption.
CSCta06451
Symptoms: Memory leak is observed in export packets when both OER and Netflow are enabled.
Conditions: The symptom is observed only when both Netflow and OER export is enabled. OER
export is enabled by default to a 3949 port.
Workaround: There is no workaround.
CSCta07104
Symptoms: The mpls /jointfilesconvert/422273/bgp forwarding command is not synced to the standby router.
Conditions: When the mpls /jointfilesconvert/422273/bgp forwarding command is not configured manually on the ASBR
router, when eBGP Inter-AS session comes up, the command is auto-generated on the interface. The
command is not synced to the standby router.
Workaround: The issue will not be seen:
1. When the mpls /jointfilesconvert/422273/bgp forwarding command is configured manually.
2. When the command is not configured manually, after a switchover, both the active router and
the standby router will get that command.
CSCta08194
Symptoms: A router may crash.
Conditions: This symptom is observed when reprovisioning an AToM tunnel with AAL5
encapsulation.
Workaround: There is no workaround.
Further Problem Description: A complex sequence of events with specific timing characteristics is
required to hit this crash.
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