Cisco ASR 900 Series Release Notes

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Cisco IOS XE 3S Release Notes for the Cisco ASR 903 Router
OL-26630-12
Chapter
Caveats in Cisco IOS XE 3.8S Releases
– Use Interior Gateway Protocol (IGP) instead of static IP routes.
– Shut down one of the ECMP paths.
• CSCud38592
Symptom: The router displays an fman_fp crash error and crashes.
Conditions: Occurs when the router is running Remote LFA with a high number of prefixes and
there is an interface flap on the primary path.
Workaround: There is no workaround.
• CSCud38668
Symptom: The OC-3 interface module crashes.
Conditions: Occurs when you issue the show platform software agent iomd 1/0 driver peek
command.
Workaround: There is no workaround.
• CSCud40930
Symptom: Some interfaces within a bridge-domain are unable to send outbound L3 multicast
traffic.
Conditions: Occurs when the bridge-domain contains EFP interfaces, some of which are on a
port-channel. The issue can also occur after a router reload.
Workaround: Issue a shutdown/no shutdown on the BDI interface.
• CSCud42315
Symptom: The OC-3 interface module crashes.
Conditions: Occurs when you apply the forward-alarm ais command on a T1 controller.
Workaround: There is no workaround.
• CSCud43580
Symptom: The router does not apply the bandwidth remaining percent command within a QoS
policy in some instances.
Conditions: The issue can occur occasionally when:
– There is a large discrepancy in bandwidth remaining values between QoS classes
– The classes containing the bandwidth remaining statements are oversubscribed at a low rate
or have a low queue-limit.
Workaround: Apply the following workaround:
– Increase the queue-limit value to 120 kilobytes or above.
– If the QoS configuration uses WRED, increase the minimum threshold value.
– Alter the bandwidth remaining values to reduce the ratio between values.
• CSCud44640
Symptom: The router displays a traceback error when there one power supply unit slot is empty.
Conditions: Occurs during boot.
Workaround: There is no workaround.
• CSCud44768
Symptom: Multilink bundles and member links flap when passing traffic.

Cisco ASR 900 Series Specifications

General

Brand	Cisco
Model	ASR 900 Series
Category	Network Router
Language	English