26
Cisco IOS XE 3S Release Notes for the Cisco ASR 903 Router
OL-26630-12
Chapter
Caveats in Cisco IOS XE 3.7S Releases
•
CSCty74115
Symptoms:
The router displays traceback and CPU error messages.
Conditions:
Occurs when you configure a high number of MAC address table entries while REP is
enabled; the router displays errors during a REP topology change, REP preemption, or when you
perform a
shutdown
/
no shutdown
on an interface.
Workaround:
Reduce the number of MAC address entries.
•
CSCua15499
Symptoms:
The
show interface
command output displays 1000 Mbps information for both
100Mbps and 10 gigabyte transceivers.
Conditions:
Occurs when you use 100 Mbps and 10 Gigabit Ethernet transceivers
Workaround:
There is no workaround.
•
CSCua25779
Symptom:
An Ethernet virtual circuit (EVC) interface does not forward IPv4 traffic.
Conditions:
Occurs when you apply the
encapsulation dot1q
command to an EVC, followed by
the
encapsulation untagged
command.
Workaround:
Issue a
shutdown
/
no shutdown
on the EVC interface.
•
CSCua62305
Symptom:
QoS does not function on the router.
Conditions:
Occurs under the following conditions:
–
You apply a service-policy and an ACL to the same interface
–
You modify the ACL by adding an ACE containing a
permit ospf
statement.
Workaround:
There is no workaround.
•
CSCub64331
Symptom:
The 10Mhz reference clock to the SDH Equipment Timing Source (SETS) goes to
out-of-resource (OOR).
Conditions:
Occurs when you connect both 10Mhz and 1pps inputs.
Workaround:
Connect only the 10Mhz interface.
•
CSCub71932
Symptom:
The OC-3 interface module (IM) crashes.
Conditions:
Occurs when you boot the router with an OC-3 IM and there are is no configuration
applied to the IM. The issue occurs intermittently.
Workaround:
There is no workaround; wait for the interface module to reset.
•
CSCub89531
Symptom:
Multicast statistics in the MFIB output can show NA/NA. This causes multicast traffic
to drop every 3 minutes once the 3 minute timer expires.
Conditions:
Occurs after an stateful switchover (SSO).
Workaround:
Issue another SSO or reload the router.