Cisco ASR 900 Series Release Notes

15
Cisco IOS XE 3S Release Notes for the Cisco ASR 903 Router
OL-26630-12
Chapter
Caveats in Cisco IOS XE 3.7S Releases
• CSCue25349
Symptom: Tracebacks seen on the router with inject bypass set to OFF.
Conditions: This issue occurs after shutting down the core facing interface or any OSPF enabled
interface.
Workaround: There is no workaround.These traces does not have any functional impact.
• CSCue51682
Symptom: The REP protocol flaps, as indicated by the following error messages:
*Feb 8 06:51:38.857: %REP-4-LINKSTATUS: GigabitEthernet0/0/1 (segment 10) is
non-operational due to neighbor not responding *Feb 8 06:51:39.096: %REP-4-LINKSTATUS:
GigabitEthernet0/0/1 (segment 10) is operational
Conditions: This issue occurs under the following conditions:
– The router is sending traffic using the incremental MAC address table Fast LSL is configured
using a 200ms timer.
– The router is configured with more than 2000 MAC addresses.
Workaround: Remove fast LSL from the REP configuration.
• CSCue60699
Symptom: The router auto-negotiates full duplex with 1000M half/full duplex configuration.
Conditions: This issue occurs when the router has Copper SFP with auto-negotiate enabled. and
SFP is configured with 1000M half-duplex mode.
Workaround: There is no workaround.
• CSCue61803
Symptom: The interface modules do not get powered off, when router is reloaded.
Conditions: This issue is occasionally seen on reload.
Workaround: There is no workaround.
• CSCue61850
Symptom: Memory allocation observed fro CFM EVC BD offload cases- scale configurations
Conditions: This issue occurs with CFM EVC BD, when 256 session of3.3ms interval and 256
SLM session are configured and a shutdown command followed by a no shutdown command is
issued on the traffic sending interface.
Workaround: Configure CFM session between 50-100.
• CSCue67835
Symptom: OSPF flap with aggressive timers (2 sec hello interval, 6 sec dead interval).
Conditions: This issue occurs on router Stateful switchover (SSO).
Workaround: Use the default OSPF hello timers.
• CSCue75372
Symptom: Time-hog traceback seen on router reload or IM reload.
Conditions: This issue occurs on router bootup or IM bootup.
Workaround: There is no workaround.

Cisco ASR 900 Series Specifications

General

Brand	Cisco
Model	ASR 900 Series
Category	Network Router
Language	English