Cisco ASR 900 Series Release Notes

14
Cisco IOS XE 3S Release Notes for the Cisco ASR 903 Router
OL-26630-12
Chapter
Caveats in Cisco IOS XE 3.10S Releases
Symptom: The system shuts down after 5mins irrespective of ambient temperature after removing
the fan tray.
Conditions: This issue occurs after removing the fan tray.
Workaround: There is no workaround.
• CSCuh81135
Symptom: Port speed configuration is changed automatically on changing the SFP module.
Conditions: This issue occurs on changing the SFP module.
Workaround: There is no workaround.
• CSCuh85990
Symptom: Some CFM MEPs are not learnt when configuring large number (about 1K) on the router.
Conditions: This issue is seen only if large number of MEPs are configured.
Workaround: Remove and re-apply the configuration.
• CSCuh92939
Symptom: Traffic drop occurs after replacing a Cu SFP with a fiber FP
Conditions: This issue occurs after replacing Cu SFP with fiber SFP after an SSO is performed.
Workaround: Perform an IM OIR.
• CSCuh99117
Symptom: Packet drops for some of the prefixes in MPLS network are observed.
Conditions: This issue occurs when MPLS Layer3 VPN is configured on the router with MVPN
template.
Workaround: There is no workaround.
• CSCui16418
Symptom: After a switchover is performed, the ten gigabit ethernet interface might flap and traffic
drops.
Conditions: This issue occurs after SSO is performed.
Workaround: There is no workaround.
• CSCui32127
Symptom: CFM download error-objects are observed when CFM peers are reloaded or IM OIR is
done on a scaled VPLS and CFM setup.
Conditions: This issue occurs on the router with 250 or more CFM MEP sessions and more than
1250 Layer2 virtual circuit sessions.
Workaround: There is no workaround.
• CSCui34041
Symptom: Traffic does not flow to one of the prefix on MPLS template.
Conditions: This issue occurs when maximum MPLS label of that template is assigned to that
prefix.
Workaround: Disable and enable the prefix.
• CSCui40994
Symptom: Ethernet CFM ping fails because remote MEPs are not learnt.

Cisco ASR 900 Series Specifications

General

Brand	Cisco
Model	ASR 900 Series
Category	Network Router
Language	English