Cisco ASR 900 Series Release Notes page 152

Caveats in Cisco IOS XE 3.7S Releases
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.
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.
Cisco IOS XE 3S Release Notes for the Cisco ASR 903 Router
64
Chapter
OL-26630-12