Cisco 7600-ES20-GE3CXL-RF - Ethernet Services 20G Line Card Switch Manual de usuario Pagina 380

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Caveats for Cisco IOS Release 12.2(33)SRD through 12.2(33)SRD8
OL-10394-05 Rev. R0
Symptoms: During a maintenance window, a Cisco 7206VXR router is upgraded from an NPE-G1
to an NPE-G2. The router comes up normally after the swap, but about 10 minutes later the router
crashes. When it comes up again, the configuration is checked, but the router crashes again.
The following error message is seen:
"Unexpected reboot due to SegV Exception" (as indicated by show version)
Conditions: This symptom is observed when upgrading a Cisco 7206VXR from an NPE-G1 to an
NPE-G2.
Workaround: There is no workaround.
CSCsq81116
Symptoms: Router may reload when Optimized Edge Routing (OER) master configuration is
shut/no shut.
Conditions: Only occurs when OER master controller goes down and then rarely.
Workaround: There is no workaround.
CSCsq81235
Symptoms: A VRF cannot be configured again when it is deleted by using the no ip vrf command.
Conditions: This symptom is seen only on VRFs with an MDT tunnel.
Workaround: There is no workaround.
CSCsq83501
Symptoms: Router crashes while configuring more than 256 channel-groups in PA-MC-2T3-EC
Conditions: The crash is seen after configuring more than 256 channel-groups in PA-MC-2T3-EC.
Workaround: Do not configure more than 256 channel-groups:
CSCsq86014
Symptoms: When removing a subinterface on a Cisco 7600 series router, connectivity issues might
occur on other subinterfaces that are part of the logical main interface.
Conditions: The symptom is observed on an ES20 linecard and with Cisco IOS Release
12.2(33)SRB3 and Release 12.2(33)SRC1. It is seen when the configuration requires
double-tagging. With a back-to-back connection, a QinQ sub-interface is created on either side and
an IP address is assigned. Then, another sub-interface with the same outer VLAN is created and then
removed.
Workaround: Use the shutdown no shutdown command sequence to restore connectivity.
CSCsq86500
Symptoms: The following error message is displayed when the standby is reloaded:
"REDUNDANCY-3-IPC: cannot open standby port no such port"
Conditions: No specific condition.
Workaround: There is no workaround. The error message is harmless and does not affect the
functionality of the router in any way.
CSCsq87788
Symptoms: Diagnostic TestPortLoopback is failing for OC192 SPA in Cisco IOS Release
12.2(33)SRC image.
Conditions: Occurs with the following control plane policing (CoPP) configuration:
In the Service-policy
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