Cisco ASR 900 Series Release Notes

10
Cisco IOS XE 3S Release Notes for the Cisco ASR 903 Router
OL-26630-12
Chapter
Caveats in Cisco IOS XE 3.8S Releases
Symptom: CPU utilization is high after executing the show mac-address-table command.
Conditions: This issue occurs after scaled MAC entries are learned over the BD.
Workaround: Execute the command with reduced term length.
• CSCue40248
Symptom: Traffic does not flow through newly created MLP interfaces after a switchover is
performed.
Conditions: This issue occurs after you have a newly created MLP interface terminated under a
VRF and a switchover is performed.
Workaround: There is no workaround.
• CSCue43036
Symptom: %IDBINDEX_SYNC-4-RESERVE traceback seen on OC-12 card type.
Conditions: This issue occurs after the card type is set the to OC-12 and the router is reloaded. This
issue is seen on a HA system with POS configuration.
Workaround: There is no workaround.
• 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 with REP fast LSL (with lsl-ageout 200msec) is configured and when
a burst of new MAC address (usually > 4k) is getting learnt into the system.
Workaround: Remove fast LSL from the REP configuration
• CSCue54997
Symptom: Two input clock sources are accepted from same OC-3 IM but the system can support
only one input clock source per OC-3 IM.
Conditions: This issue occurs when two input clock sources are getting accepted from same OC-3
IM.
Workaround: There is no workaround. Do not configure the second input clock source from same
OC-3 IM or remove both OC-3 IM sources and exit the configuration and configure the desired OC-3
IM controller alone.
• CSCue75372
Symptom: TIME-HOG messages are seen during an IM OIR.
Condition: This issue occurs when default and IP template is used.
Workaround: There is no workaround.
• CSCue96886
Symptoms: Complete MAC Address space is not available on the RSP.
Conditions: This issue occurs after removing the service instance with the MAC Addresses learnt
on the BD.
Workaround: Reload the Router.
• CSCuf15768

Cisco ASR 900 Series Specifications

General

Brand	Cisco
Model	ASR 900 Series
Category	Network Router
Language	English