Open Caveats-Cisco Ios Xe Release 3.12S; Resolved Caveats-Cisco Ios Xe Release 3.12S - Cisco ASR 900 Series Release Notes

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Open Caveats—Cisco IOS XE Release 3.12S
This section documents the unexpected behavior that might be seen with the Cisco ASR 900 router in
Cisco IOS XE Release 3.12.S.
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Resolved Caveats—Cisco IOS XE Release 3.12S
This section documents the issues that have been resolved in Cisco IOS XE Release 3.12S.
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OL-26630-12
CSCun13151
Symptom: Egress traffic drop was observed on an ACR ATM interface in PVP mode.
Conditions: This issue occurs on the ACR ATM interface after performing SSO.
Workaround: There is no workaround.
CSCui50577
Symptom: Traffic drop observed on the router.
Conditions: This issue occurs after performing an IM OIR.
Workaround: There is no workaround.
CSCuj30644
Symptom: Multicast does not function in scaled mode with SM mode and BDI in core.
Conditions: This issue was seen in the scaled mode.
Workaround: Execute the no ip igmp snooping command on the router to forward multicast
traffic.
CSCuj32358
Symptom: Multicast packets with TTL=0 are forwarded and not dropped.
Conditions: This issue occurs with multicast incoming traffic with TTL=0.
Workaround: There is no workaround.
CSCuj42208
Symptom: Layer 3 multicast traffic drop was observed on the trunk port.
Conditions: This issue occurs when multicast is converged, and a shutdown followed by a no
shutdown command is executed on the multicast router interface (mrouter port).
Workaround: Execute command clear ip mroute command to clear IPv4 multicast routes and the
command clear ipv6 pim topology to clear IPv6 multicast routes.
CSCuj43701
Symptom: Multicast receivers received duplicate traffic.
Conditions: This issue occurs in the following conditions:
Executing a shutdown command or default shutdown command on the last EFP under a
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bridge-domain configured on the port-channel interface.
– Executing a shutdown or default shutdown command on the last TEFP under a bridge-domain
configured on the port-channel interface.
Executing a shutdown or default shutdown command on the port-channel and configuring an
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EFPor TEFP without waiting for at least 3 minutes.
Caveats in Cisco IOS XE 3.12S Releases
Cisco IOS XE 3S Release Notes for the Cisco ASR 903 Router
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