Cisco 7600-ES20-GE3CXL-RF - Ethernet Services 20G Line Card Switch Manual de usuario Pagina 105

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Caveats for Cisco IOS Release 12.2(33)SRD through 12.2(33)SRD8
OL-10394-05 Rev. R0
* ISG as DHCP relay
* No VPN routing/forwarding (VRF)
* TAL authentication
Workaround: There is no workaround.
CSCsz00959
Symptoms: Standby router reboots continuously and comes to the prompt only after second or third
attempt.
Conditions: When the standby is booting up, during the startup bulk sync, Cat6k QoS Manager client
will time out after 30 seconds (depends on load on the box). Due to stress QoS config, during bulk
sync, the standby is taking more time, and this triggers active to reset the standby.
Workaround: There is no workaround.
CSCsz01695
Symptoms: STP network will not converge if the vlan dot1q tag native global command is enabled.
BPDUs will not get transmitted over Virtual Private LAN Services (VPLS) pseudowire (PW).
Conditions: Occurs in a network with nPE redundancy, where the redundant PEs are connected
through VPLS PW.
Workaround: Disable the vlan dot1q tag native command.
CSCsz05181
Symptoms: A router may reload unexpectedly.
Conditions: The symptom is observed when the router has Bidirectional Forwarding Detection
(BFD) configured and is actively sending keepalives. The crash has multiple possible triggers:
It can be triggered by certain show commands (show bootvar and show c7200 are known to
cause the problem). The issue will not be seen on every invocation of the commands. It is a rare
timing condition, so the probability of the crash increases as the commands are run more
frequently.
It can also be triggered by large scale BFD deployments (hundreds of sessions on a single
router).
Workaround: Unconfigure BFD.
CSCsz07569
Symptoms: The session ID changes between "interim" and "stop" accounting records.
Conditions: The symptom has been observed on Cisco IOS Release 12.2(31)SB12 with
"radius-server attribute 44 extend-with-addr" in the configuration.
Workaround: Do not configure "radius-server attribute 44 extend-with-addr".
CSCsz10073
Symptoms: SPA-4XOC3-ATM can stop forwarding ingress traffic after cell packing timer is
changed.
Conditions: Occurs when MPLS is configured over a tunnel interface and the cell packing timer is
changed.
Workaround: There is no preventive workaround to this issue. Once the card is in the problem state,
the FPGA is hung and to recover from this state, the SPA has to be reloaded.
CSCsz11784
Symptoms: DS3 interface on choc3/STM1 stops passing traffic.
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