20
Cisco IOS XE 3S Release Notes for the Cisco ASR 903 Router
OL-26630-08
Chapter Restrictions and Caveats in Cisco IOS XE 3.6S Releases
Caveats in Cisco IOS XE 3.6S Releases
• CSCtx80446
Symptoms: When the no authentication command is run on one BFD template, other MHOP BFD
sessions on which authentication has been configured may change to the Down state.
Conditions: This issue is observed when there are multiple sessions that use different maps and
templates.
Workaround: There is no workaround.
• CSCtx81871
Symptoms: MPLS convergence time is higher than normal.
Conditions: Occurs when the router is processing more than 3107 iBGP and label prefixes.
Workaround: There is no workaround.
• CSCty03480
Symptoms: The interface manager crashes when you remove a BFD template.
Conditions: Occurs when you remove a BFD template or modify an MPLS-TP label.
Workaround: There is no workaround.
• CSCty03617
Symptoms: The router displays the following message when executing a Stateful Switchover
(SSO):
%TRANSCEIVER-3-CHECKSUM_ERROR
Conditions: Occurs intermittently when the router is in SSO mode and performing a switchover
between RSPs. The console displays this message repeatedly on the new active RSP.
Workaround: There is no workaround.
• CSCty13332
Symptoms: An imposition failure occurs on VCs configured with MPLS TP LSPs.
Conditions: Occurs under the following conditions:
–
There are input and output QoS policy-maps configured on service instance interfaces.
–
The router is configured with 255 MPLS TP tunnels.
–
The router is configured with a high number of virtual circuits (VCs).
–
The RSP in slot 0 is acting as the active RSP.
–
An event occurs that causes the router to tear down and rebuild all MPLS TP tunnels and VCs
at once.
Workaround: Remove and reconfigure the service instance.
• CSCty13699
Symptoms: When L2VPN Pseudowire Stitching is configured between a static segment and a
dynamic segment, both segments may move to the Down state.
Conditions: This issue is observed when L2VPN Pseudowire Stitching is configured between a
static segment and a dynamic segment.
Workaround: There is no workaround.
• CSCty22165
Symptoms: The router displays the following console message:
Transceiver initialization
failed: Unable to display idprom
.