Cisco ASR 900 Series Release Notes

11
Cisco IOS XE 3S Release Notes for the Cisco ASR 903 Router
OL-26630-12
Chapter
Caveats in Cisco IOS XE 3.7S Releases
Symptom: The router experiences remote CFM MEP flapping.
Conditions: Occurs when the router is connected via a CFM xconnect and the link is running a high
traffic rate.
Workaround: Reduce the rate of traffic.
• CSCua99096
Symptoms: The show ima interface command omits some IMA group information such as
ImaGroupSymmetry.
Conditions: This issue occurs when the show ima interface command.
Workaround: There is no workaround.
• CSCub94462
Symptom: The router displays object download error messages on the console.
Conditions: This issue occurs under the following conditions
– Execute the mac address sticky command.
– Configure 25 incremental MAC addresses and execute the clean mac-address-table bdomain
command
– Remove a mac security sticky configuration from an EVC interface.
Workaround: Avoid issuing the clear mac-address-table command when the mac security sticky
command is applied.
• CSCuc08397
Symptom: When IFM is configured on EVC BD, with encapsulation default in the core, the remote
MEPS are not learnt.
Conditions: This issue is seen when encapsulation default is configured on the core facing side.
Workaround: There is no workaround.
• CSCud09142
Symptom: FP active error messages are seen when the tunnel-tp interface is removed in a
high-availability setup.
Conditions: This issue is seen after removing tunnel-tp interface.
Workaround: There is no workaround.
• CSCud34600
Symptom: Event hog messages are received when 21k to 25k routes are advertised into MBGP and
exported from one PE to another.
Conditions: This issue occurs when the redistributing routes range from 21k to 25k routes from
OSFP are moved into MBGP and are exported from one PE to another.
Workaround: There is no workaround.
• CSCud90362
Symptom: the SYNC packets go out quite irregularly when PTP master is configured.
Conditions: This issue is seen when the router is configured as PTP master.
Workaround: There is no workaround.
• CSCue24854
Symptom: Loss of 70 msec are observed when performing an IM OIR in a remote LFA ring.

Cisco ASR 900 Series Specifications

General

Brand	Cisco
Model	ASR 900 Series
Category	Network Router
Language	English