Cisco ASR 903 Release Notes

6
Cisco IOS XE 3S Release Notes for the Cisco ASR 903 Router
OL-26630-08
Caveats in Cisco IOS XE 3.9S Releases
Symptom: Virtual circuit (VC) status goes down after reload.
Conditions: This issue occurs when reloading the core side trunk EFP BDI with port channel using
cross connect. LDP comes up but VC status goes down.
Workaround: On core side, use EVC bridge-domain BDI with port channel instead of trunk EFP
BDI with port channel.
• CSCue67267
Symptom: High traffic drop on Stateful Switchover (SSO). Double dip on SSO.
Conditions: This issue occurs occasionally (one in five iterations) on Cisco ASR 903 Router with
MVPN scale setup.
Workaround: There is no workaround.
• CSCuf89283
Symptom: Connectivity Fault Management (CFM) sessions configured on pseudowire continue to
flap.
Conditions: This issue occurs when route flaps quick enough to prevent bringing down of the
pseudowire.
Workaround: Bring down the pseudowire and bring it back up again.
• CSCuh94841
Symptom: 10 Gigabit Ethernet interface flaps without trigger causing traffic to switch to protected
label-switched path (LSP).
Conditions: This issue occurs when the script is run for continuous SSO.
Workaround: There is no workaround.
Resolved Caveats—Cisco IOS XE Release 3.9(2)S
This section documents the issues that have been resolved in Cisco IOS XE Release 3.9.2S.
• CSCud61551
Symptom: Serial Number of the RSP in slot 1 does not display in the show inventory command
output.
Conditions: This issue occurs under unknown conditions.
Workaround: Reload the router.
• CSCue29865
Symptom: Values do not display for OC-12 mode after shutting the IM bay.
Conditions: This issue occurs after shutting the IM bay. Values are not displayed for OC-12 mode,
but the values are displayed for the Gigabit Ethernet card.
Workaround: There is no workaround.
• CSCue32016
Symptom: On IM online insertion and removal (OIR) or Router reload with shutdown on CE
controller, Ethernet (core) does not transmit any packets.
Conditions: This issue occurs when remote peer does not assert alarm indication signal (AIS)
downstream.
Workaround: There is no workaround.

Cisco ASR 903 Specifications

General

Brand	Cisco
Model	ASR 903
Category	Network Router
Language	English