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Cisco IOS XE 3S Release Notes for the Cisco ASR 903 Router
OL-26630-12
Caveats in Cisco IOS XE 3.9S Releases
Workaround: -Clear Multicast Routes for failing (S, G) -Soft IM OIR for failing IIF interface
having scale EVCs
• CSCue24621
Symptoms: when we do shut on one of the efp, traffic gets stop for other evcs also
Conditions: Where there are multiple qinq efps with same outer vlan tag on one interface.
Workaround: None.
• CSCue25267
Symptoms: Stand-by rsp reloads on IM OIR on OC3IM on active rsp. Nile manager crash seen but
core file incompletely generated.
Conditions: Seen when active rsp is booted up first, then standby rsp is booted. With serial links
and APS configs on ASR903, perform IM OIR.
Workaround: None.
• CSCue25567
Symptoms: quack authentication failure msg seen on console.
Conditions: It is seen randomly.
Workaround: Reload the router.
• CSCue26927
Symptoms: Alarms are not forwarded in CEM.
Conditions: Alarms are not forwarded when AC goes down.
Workaround: No Workaround.
• CSCue27652
Symptoms: ATM interfaces getting deleted on SSO
Conditions: ATM Interfaces are deleted on standby after IM OIR
Workaround: No Workaround.
• CSCue27922
Symptoms: Syslog showing Object download for the prefix and traffic will not flow for the
particular prefix.
Conditions: Issue is seen during multiple interface flap with 4K prefix and rLFA enabled.
Workaround: Reload the router
• CSCue30481
Symptoms: The router does not lock to the syncE clock source after reload. It will be in Ql-failed
state.
Conditions: Reload the router with saved syncE configuration.
Workaround: Unconfigure and configure the clock source.
• CSCue32753
Symptoms: While performing ISSU, the OC3IM interfaces are lost on ISSU completion. This is
followed with config mismatch errors on router console. When new stand-by reaches standby-hot
state, continuous iomd crash messages are seen at regular intervals.
Conditions: Seen when ISSU is performed from older label images to XE39 image.
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