25
Cisco IOS XE 3S Release Notes for the Cisco ASR 903 Router
OL-26630-08
Chapter
Caveats in Cisco IOS XE 3.8S Releases
•
CSCuc58371
Symptom:
Some links do not become active on the OC-3 interface module.
Conditions:
Occurs on the OC-3 interface module (IM) configured at a high scale after you perform
a multiple soft OIRs on the IM. The issue occurs frequently with SONET framing.
Workaround:
You can use the following workarounds:
–
Apply a
shutdown
/
no shutdown
to the OC-3 controller.
–
Re-apply the PDH configuration.
–
Add and remove a loopback configuration on the PDH.
Add and remove a loopback configuration on the OC-3 controller.
•
CSCuc64654
Symptom:
The router is unable to ping the remote customer edge (CE) router.
Conditions:
Occurs when the router is acting as a provider edge (PE) device and is connected to the
remote PE using dual loopback interfaces for peering with iBGP sessions.
Workaround:
Use a single loopback interface. Use the same loopback interface for IPv4 and
VPNv4 address families.
•
CSCuc66393
Symptom:
The router loses OC-3 interface configurations after an ISSU upgrade.
Conditions:
Occurs on OC-3 serial and POS interfaces after an ISSU software upgrade.
Workaround:
There is no workaround.
•
CSCuc68462
Symptom:
The router drops PTP traffic.
Conditions:
The issue occurs occasionally when you configure PTP slave clock to receive
VLAN-tagged traffic.
Workaround:
There is no workaround.
•
CSCuc71723
Symptom:
The router erroneously accepts a service-policy configuration on a CEM interface and
displays it within the running configuration.
Conditions:
Occurs when you configure a service-policy on a CEM interface.
Workaround:
There is no workaround.
•
CSCuc85721
Symptom:
The router crashes.
Conditions:
Occurs under the following conditions:
–
MR-APS is configured on serial interfaces on the OC-3 interface module
–
The router is configured with a high number of serial interfaces
–
You reset an interface module or reload the router.
Workaround:
There is no workaround.
•
CSCuc90008
Symptom:
The OC-3 controller stops passing traffic.
Conditions:
Occurs after you reset the facing interface on the CE device.