Cisco ASR 900 Series Release Notes

18
Cisco IOS XE 3S Release Notes for the Cisco ASR 903 Router
OL-26630-12
Caveats in Cisco IOS XE 3.9S Releases
Resolved Caveats—Cisco IOS XE Release 3.9(1a)S
This section documents the issues that have been resolved in Cisco IOS XE Release 3.9(1a)S.
• CSCtw76473
Symptom: The router displays packet drops on some VPLS pseudowire virtual circuits (VCs) on
the disposition side.
Conditions: Occurs under the following conditions:
– The core network is running MPLS-TP tunnels
– There is an SSO switchover on the remote end or an LDP neighbor reset on the peer end.
Workaround: There is no workaround.
• CSCud09142
Symptom: Fp active error messages seen when interface tunnel TP is removed when HA is
configured.
Conditions: This issue is seen after removing tunnel TP interface.
Workaround: There is no workaround.
• CSCud30554
Symptom: Object download failure messages are displayed on console during object cleanup. This
may cause a possible leak in the hardware resource if the objects are not cleaned up.
Conditions: This issue is seen during the Virtual Circuit deletion.
Workaround: There is no workaround.
• CSCud42914
Symptom: Object download messages are observed when default values are se on the MPLS core
interface.
Conditions: This issue occurs when default values are se on the MPLS core interface.
Workaround: There is no workaround.
• CSCud59242
Symptom: Traffic stops forwarding for 10-20 groups out of 1000 groups when IGMP snooping is
enabled.
Conditions: This issue occurs when outgoing Layer 2 interface flaps very quickly. This issue occurs
when executing the shutdown command followed by a no shutdown command.
Workaround: Disable IGMP snooping.
• CSCue10037
Symptom: After executing the shutdown command followed by a no shutdown the member link
crashes
Conditions: This issue occurs when CFM Trunk EFP with 256 sessions with an interval of 3.3ms
is configured and shutdown command followed by a no shutdown command is executed.
Workaround: Configure 50-100 CFM sessions.
• CSCue13187
Symptom: Duplicate multicast traffic is received after replacing the bridge-domain ID with new
bridge-domain ID.

Cisco ASR 900 Series Specifications

General

Brand	Cisco
Model	ASR 900 Series
Category	Network Router
Language	English