Cisco ASR 900 Series Release Notes

36
Cisco IOS XE 3S Release Notes for the Cisco ASR 903 Router
OL-26630-12
Chapter
Caveats in Cisco IOS XE 3.7S Releases
• CSCue16617
Symptom: The QoS classification does not work in core interfaces.
Conditions: This issue occurs when the output policy applied to interface has bridge domain
interface (BDI) as the core interface.
Workaround: Enable mpls ldp explicit null command.
• CSCue18015
Symptom: S,G does not get created, the forwarding is based on (*,G).
Conditions: This issue occurs with Interior Gateway Protocol (IGP) change leading to Reverse Path
Forwarding (RPF) change of the (*,G).
Workaround: Clear the (*,G) and recreate it.
• CSCue19898
Symptom: (*,G) based forwarding is observed with IIF registry change. The Interior Gateway
Protocol (IGP) patch change leads to this issue.
Conditions: This issue occurs when IGP is changed causing a Reverse Path Forwarding (RFP)
change notification.
Workaround: Timeout the (*,G) entry and recreate it again either by issuing clear ip mroute
command or stopping the joins.
• CSCue20022
Symptom: Software forwarding of core encapsulation entries causes interface to flap.
Conditions: This issue occurs when interface has Protocol Independent Multicast (PIM) enabled on
the BDI interface.
Workaround: Perform a soft interface module OIR. Clear the multicast routes for that VRF.
• CSCue20360
Symptom: The router does not learn the remote Connectivity Fault Management (CFM)
Maintenance Endpoint (MEPs).
Conditions: This issue occurs when Resilient Ethernet Protocol (REP) or Spanning Tree Protocol
(STP) exists on core with one port as ALT or BLK state.
Workaround: There is no workaround.
• CSCue20607
Symptom: The port-channel load balances the traffic on member-links in hot-standby state or down
state resulting in loss of traffic.
Conditions: This issue occurs when there are redundant member-links in hot-standby state or down
state.
Workaround: There is no workaround.
• CSCue25567
Symptom: Quack authentication failure messages are displayed on router console.
Conditions: This issue occurs randomly.
Workaround: Reload the router.

Cisco ASR 900 Series Specifications

General

Brand	Cisco
Model	ASR 900 Series
Category	Network Router
Language	English