Cisco ASR 900 Series Release Notes

30
Cisco IOS XE 3S Release Notes for the Cisco ASR 903 Router
OL-26630-12
Chapter
Caveats in Cisco IOS XE 3.8S Releases
Workaround: There is no workaround. However, the issue does not have any functionality impact
on the system.
• CSCud26240
Symptom: The router displays Nile mgrs leak error messages.
Conditions: Occurs when you configure L3VPN and L2VPN services at a high scale.
Workaround: There is no workaround.
• CSCud26382
Symptom: The router drops traffic on an EFP interface after you perform a stateful switchover
(SSO).
Conditions: Occurs under the following conditions:
– You boot the standby RSP
– The router configuration contains an EFP interface on a Gigabit Ethernet port and a bridge
domain interface in a down state.
– After the router reaches an SSO state, you issue a no shutdown command on the peer router to
bring the EFP interface up.
– You perform an stateful switchover (SSO) on the router.
Workaround: Issue a shutdown/no shutdown on the gigabit Ethernet port.
• CSCud28553
Symptom: The router stops passing Switch Port Analyzer (SPAN) traffic.
Conditions: Occurs after you apply a shutdown/no shutdown on the SPAN source port with
Ethernet flow point (EFP) and bridge domain interface (BDI) configurations.
Workaround: Enable and disable the SPAN session
• CSCud28685
Symptom: Ping fails between the CE1 and CE2 devices when the ASR 903 is acting as the PE
device.
Conditions: Occurs when the SONET controller or ATM interface experiences an interface flap.
Workaround: Perform a soft OIR on the interface module.
• CSCud28787
Symptom: The 10 gigabit Ethernet interface module (IM- A900-IMA1X ) flaps.
Conditions: Occurs when the IM passes high traffic volumes for an extended period of time.
Workaround: There is no workaround.
• CSCud31852
Symptom: The router displays traffic polarization with L3VPN traffic.
Conditions: Occurs under the following conditions:
– The P router has multiple ECMP paths
– The ECMP paths are port-channels
Traffic is distributed between ECMP paths, but polarization occurs on the port-channel member
links.
Workaround: There is no workaround.

Cisco ASR 900 Series Specifications

General

Brand	Cisco
Model	ASR 900 Series
Category	Network Router
Language	English