Cisco ASR 900 Series Release Notes

8
Cisco IOS XE 3S Release Notes for the Cisco ASR 903 Router
OL-26630-12
Chapter
Caveats in Cisco IOS XE 3.10S Releases
Workaround: There is no workaround.
• CSCul21429
Symptom: The router console freezes and the OSPF or BFD sessions flap.
Conditions: This issue occurs when TOD type is changed dynamically on a PTP master from NTP
to Cisco or vice-versa.
Workaround: Unconfigure TOD and reconfigure a new TOD type.
• CSCul21447
Symptom: The ANNOUNCE message does not get updated.
Conditions: This issue occurs in the PTP slave.
Workaround: There is no workaround.
• CSCul40676
Symptom: Ping failure observed on the interface connected with port 0/0/0 with ACR configuration.
Conditions: This issue occurs when ACR is configured on the router.
Workaround: Install the IM in the other bay or change the port other than 0/0/0 as the core.
• CSCul46353
Symptom: Traffic drop observed on priority queues.
Conditions: This issue occurs on QoS policy with 2-level priority queues (priority level classes) that
do not guarantee the bandwidth on 1-level priority against 2-level traffic.
Workaround: There is no workaround.
• CSCul46643
Symptom: Convergence with SSO for REP with multicast is greater than 3 seconds.
Conditions: This issue occurs on performing an SSO on the Receiver
Workaround: There is no workaround.
• CSCul49147
Symptom: Time exceed message is generated when IPv6 packets are received on the router.
Conditions: This issue occurs when IPv6 packets have option headers.
Workaround: If the IPv6 options have fragment header then increase the MTU size.
• CSCul50181
Symptom: A Cisco router may see unicast traffic not being forwarded out of the Gigabit ethernet
interface while multicast traffic is being processed by the router correctly.
Conditions: This issue occurs when the router has BDI configured to the Gigabit ethernet interface.
Workaround: Reload the router.
• CSCul51784
Symptom: IPv6 packets fails to get forwarded out of the router.
Conditions: This issue occurs when unicast RPF enabled for IPv4 traffic and IPv6 traffic is received
on the interface.
Workaround: Remove unicast RPF checks on the interface where dual stack is configured.
• CSCul52778
Symptom: STM -1 port keeps on increasing on changing the card type command multiple times.

Cisco ASR 900 Series Specifications

General

Brand	Cisco
Model	ASR 900 Series
Category	Network Router
Language	English