Open Caveats-Cisco Ios Xe Release 3.9(0)S - Cisco ASR 903 Release Notes

Caveats in Cisco IOS XE 3.9S Releases
Open Caveats—Cisco IOS XE Release 3.9(0)S
This section documents the unexpected behavior that might be seen with the Cisco ASR 903 Router in
Cisco IOS XE Release 3.9(0)S.
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Cisco IOS XE 3S Release Notes for the Cisco ASR 903 Router
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CSCud06772
Symptom: IPv6 neighbor discovery does not function properly after stateful switchover (SSO); the
router loses traffic and eventually recovers.
Conditions: Occurs with IPv6 traffic after stateful switchover (SSO).
Workaround: Configure software BFD sessions.
CSCud29491
Symptoms: Simultaneous policy can be applied
Conditions: On physical interface (having efps) and on efps (on that physical interface)
Workaround: None. As it is an unsupported config.
CSCud35732
Symptoms: The router does not apply egress CFM MIP filtering.
Conditions: Occurs when you overwrite a MIP configuration using the ethernet cfm mip level
command.
Workaround: Instead of overwriting the MIP level configuration, remove and re-apply the
configuration.
CSCue34781
Symptoms: The policer in the parent policy-map of an hqos policy attached to an interface stops
working after the child policy policer is dynamically modified.
Conditions: Occurs when the policy-map attached to the interface is a hierarchical policing policy
and both the child and parent policy-map have policing actions in their classes. The policing in the
parent class does not work correctly after you dynamically modify the policing action in the child
policy.
Workaround: Remove and re-attach the policy-map on the interface
CSCue41416
Symptoms: IOMD CPUHOG messages seen on ASR903
Conditions: Seen when ISSU upgrade is performed between two XE39 images
Workaround: None
CSCue42139
Symptoms: The ptp state is stuck in acquiring state all the time.
Conditions: When pulled out the active RSP, the T3 time-stamping is stuck and the ptp state stays
in acquiring state all the time.
Workaround: Reload the IM or unconfigure or configure the ptp.
CSCue46274
Symptoms:
Traffic flow stops over a particular prefix configured on TDM interface and Crash while executing
show platform prefix command for the same prefix
Conditions: Configure route via a TDM interface and reload the router once.
OL-26630-08