Cisco 7600-ES20-GE3CXL-RF - Ethernet Services 20G Line Card Switch Manual de usuario Pagina 327

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Caveats for Cisco IOS Release 12.2(33)SRD through 12.2(33)SRD8
OL-10394-05 Rev. R0
Workaround: There is no workaround.
CSCsm83777
Symptoms: An address error crash occurs while running Cisco IOS Release 12.2 (31)SB11. Decodes
indicate a Layer 4 redirect.
Conditions: The conditions under which this symptom occurs are not known.
Workaround: There is no workaround.
CSCsm83812
Symptoms: Router crashes various time while testing internal builds of Cisco IOS images. The
following traceback is displayed:
Router-2#test platform debugger address2sym 89A74B0 89A7628 A6FCC9C A6F2AF4 0x89A74B0
---> ipc_process_nonconf_sess_on_seat+F4 0x89A7628 --->
ipc_service_nonconf_session_process+FC 0xA6FCC9C ---> ppc_process_dispatch+24
0xA6F2AF4 ---> task_execute+28
Conditions: The following steps were taken to reproduce the issue
1) Toggle BGP (around 440,000) routes.
2) Reset DFC and enable line card (3-4).
Workaround: There is no workaround.
CSCsm83961
Symptoms: BFD for eBGP neighbors may not be enabled after an SSO switchover. Specifically,
BFD sessions for eBGP neighbors that are up before an SSO switchover may not be present after an
SSO switchover.
Conditions: The symptom is observed with NSR peers on platforms that do not yet support BFD for
SSO. When neighbor ip- address ha-mode sso and neighbor ip-address fall-over bfd are both
configured for a neighbor, BFD is only enabled on the active RP. The fact that BFD has been enabled
may be lost after issuing a forced switchover (even though the configuration is present and correct).
Workaround: Configuring/re-configuring the neighbor peer-ip-address fall-over bfd command
after the switchover will enable BFD for eBGP NSR peers. Rebooting the router will also have the
same effect.
Further Problem Description: Note that since BFD SSO is not yet supported, using both BFD and
NSF for BGP simultaneously may cause BGP sessions to go down (and come back up) after an SSO
switchover.
CSCsm84257
Symptoms: A Catalyst 6500 or a Cisco 7600 may reload unexpectedly. On the console or in the RP
crashinfo file, the following message can be seen :
%SYS-2-WATCHDOG: Process aborted on watchdog timeout, process = Per-Second Jobs.
Conditions: This has been seen on a Cisco 7600 running Cisco IOS Release 12.2(33)SRC and
12.2SXH. The bug can occur for 6500 and 7600.
Workaround: Disable Netflow by using one of the following commands on every sub-interface for
which Netflow is configured. no ip flow ingress no ip flow egress no ip route-cache flow
CSCsm84849
Symptoms: The priv option is not under the snmp- server group name v3 command.
Conditions: In a Cisco 7200 crypto image, the priv option is not present when user tries to configure
the snmp-server group name v3 command.
Workaround: There is no workaround.
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