Cisco ASR 900 Series Release Notes

12
Cisco IOS XE 3S Release Notes for the Cisco ASR 903 Router
OL-26630-12
Chapter Restrictions and Caveats in Cisco IOS XE 3.6S Releases
Caveats in Cisco IOS XE 3.6S Releases
– The EVC has a QoS policy attached.
Workaround: Remove and re-attach the policy on the interface.
• CSCtz03779
Symptoms: The standby RSP crashes during ISSU.
Conditions: Occurs when you perform an ISSU downgrade from Release 3.6 to 3.5.
Workaround: There is no workaround.
• CSCtz09708
Symptoms: The router cannot establish a PTP session when configured as a PTP slave device.
Conditions: Occurs when the router receives PTP packets containing a VPN or VRF label.
Workaround: There is no workaround.
• CSCtz20087
Symptoms: The router applies the class-default QoS policy to all outgoing traffic.
Conditions: Occurs under the following conditions: -You configure multiple egress QoS policies on
a Gigabit Ethernet interface. -You configure a multilink interface with no ingress QoS policy
Workaround: There is no workaround.
• CSCtz54650
Symptoms: REP flaps intermittently.
Conditions: Occurs with a hybrid REP configuration containing ports with and without Fast LSL
enabled.
Workaround: Configure all interfaces with Fast LSL.
• CSCtz56517
Symptoms: The router drops MPLS packets with a checksum of 0xFFFF.
Conditions: Occurs when the ASR 903 is acting as a label disposition edge label switch router
(LSR).
Workaround: There is no workaround.
• CSCtz61153
Symptoms: The ASR 903 does not establish BFD neighbors over port-channel 16.
Conditions: Occurs when you configure BFD on port-channel 16 between two ASR 903 routers.
Workaround: Configure BFD on port-channels 1 - 15.
• CSCtz75641
Symptoms: The router does not pass traffic over an EVC PC port-channel.
Conditions: Occurs when you perform the following sequence of actions: -Remove an EVC
member link from a port-channel interface -Configure a trunk EFP -Set the interface to default -Add
the EVC member link back into the port-channel interface
Workaround: Reload the router.
• CSCua03439
Symptoms: The router displays error messages similar to the following:
%EVENTLIB-3-CPUHOG: SIP0: nile_mgr:
Conditions: Occurs when you boot the router running QoS configurations at a high scale,
particularly queues.

Cisco ASR 900 Series Specifications

General

Brand	Cisco
Model	ASR 900 Series
Category	Network Router
Language	English