Cisco ASR 900 Series Release Notes

4
Cisco IOS XE 3S Release Notes for the Cisco ASR 903 Router
OL-26630-12
Chapter
Caveats in Cisco IOS XE 3.12S Releases
– Deleting the last TEFP on a particular NILE (either 0 or 1 or both) and immediately configuring
EFP under the same port and for the same bridge-domain.
Workaround: Clearing multicast routes for the multicast group receiving duplicate traffic may
resolve the issue. Execute command clear ip mroute command to clear IPv4 multicast routes and
the command clear ipv6 pim topology to clear IPv6 multicast routes.
• CSCuj49095
Symptom: The router displays an OUT_OF_TCAM error message on the console.
Conditions: This issue occurs when a PIM-enabled interface is added or deleted.
Workaround: Reload the router.
• CSCuj49110
Symptom: S/N entries are allocated for BDI in down state.
Conditions: This occurs when the BDI state is down.
Workaround: There is no workaround.
• CSCuj56146
Symptom: Deletion of last EFP configured under port-channel fails to update ASIC in the router.
The EFP is removed from the running configuration but the router continues to forward multicast
traffic on the last EFP configured under the port-channel.
Conditions: This issue occurs under the following conditions:
– Defaulting port-channel interface.
– Executing the shut or no shut commands on the port-channel interface.
– Executing the shut or no shut commands on the last EFP of a bridge-domain under the
port-channel.
Workaround: There is no workaround.
• CSCuj56513
Symptom: Multicast traffic was flooded back on Source Tx port.
Conditions: This issue occurs when:
– The router is configured with PIM-SM.
– IIF is the Trunk EFP (BDI) and OIF is used as the Regular EFP.
– Both IIF and OIF are in the same bridge-domain (BD).
The Trunk EFP IIF configuration is removed with (either no service instance or port default) and a
Normal EFP is configured on the same IIF Port belonging to the same BD.
Workaround: Execute the clear ip mroute command.
• CSCul01233
Symptom: EMPLSintd memory leak is observed on configuration and unconfiguration of remote
LFA FRR tunnels.
Conditions: This issue occurs when memory leaks are seen on interface flap or after unconfiguring
and configuring the remote LFA FRR.
Workaround: There is no workaround.
• CSCul10120
Symptom: Self ping fails when ICMP punt traffic congests the host queue.

Cisco ASR 900 Series Specifications

General

Brand	Cisco
Model	ASR 900 Series
Category	Network Router
Language	English