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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OL-26630-12
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.
Cisco IOS XE 3S Release Notes for the Cisco ASR 903 Router
Caveats in Cisco IOS XE 3.9S Releases
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