Cisco 7600-ES20-GE3CXL-RF - Ethernet Services 20G Line Card Switch Manual de usuario Pagina 330

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Caveats for Cisco IOS Release 12.2(33)SRD through 12.2(33)SRD8
OL-10394-05 Rev. R0
CSCsm92389
Symptoms: With "switchport mode dot1q-tunnel" configured, if a user explicitly configures
"spanning- tree bpdufilter disable", on a interface flap or a interface shut/no shut, "spanning-tree
bpdufilter disable" configuration will be replaced with "spanning-tree bpdufilter enable".
Conditions: This bug happens with dot1q-tunnels and on shut/no shut.
Workaround: Reapply "spanning-tree bpdufilter disable".
CSCsm92916
Symptoms: When the number of VCs configured for out-of-band clock master are not continuous,
the SPA might not generate packets for some of the clock master VCs.
Conditions: Occurs on the following hardware: * SPA-24CHT1-CE-ATM *
SPA-1CHOC3-CE-ATM * SPA-2CHT3-CE-ATM
Workaround: Configure out-of-band clock master so that the number of VCs are continuous.
CSCsm93068
Symptoms: A large number of interfaces (10,000 or more) in a VRF might lead to long boot-up times
and CPU hogs.
Conditions: The symptom is observed if there is a large number of interfaces in a VRF.
Workaround: There is no workaround.
CSCsm93088
Symptoms: After a flap or disconnection/restoration of T1s, random Multilink bundles on Cisco
7606 running Cisco IOS Release 12.2(33)SRB2 are up, but traffic does not pass through it when
working with a third-party device.
Conditions: Problem of interoperatibility when working third-party device, the problem is present
with the flap of T1 lines. When the T1s are restored, there is a problem with the synchronization on
the sequence numbers.
Workaround: Delete and reconfigure again the bundle or reset the linecard.
CSCsm93513
Symptoms: Cannot configure queue-limit if more than one class has priority (with different priority
levels) configured.
Conditions: This is a new feature. Initially there was only one priority level supported, so only one
queue was maintained. Queue-limit configurations were blocked if there were more than one priority
class in the policy. Now that additional priority levels are supported, this configuration should be
supported.
Workaround: There is no workaround.
CSCsm94366
Symptoms: Device crashes after doing steps that are seen in conditions.
Conditions: This issue would require many steps such as removing subinterfaces; reconfiguring the
device; attaching a policy-map to ATM main interface two times; and then performing an OIR
operation.
Workaround: There is no workaround. Some of the steps and the whole sequence are not typical at
customer environment.
CSCsm95041
Symptoms: Standby RP crashes when two users are logged into the router.
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