Cisco ASR 903 Release Notes page 108

Caveats in Cisco IOS XE 3.7S Releases
CSCud40930
•
Symptom: Some interfaces within a bridge-domain are unable to send outbound L3 multicast
traffic.
Conditions: Occurs when the bridge-domain contains EFP interfaces, some of which are on a
port-channel. The issue can also occur after a router reload.
Workaround: Issue a shutdown/no shutdown on the BDI interface.
• CSCud44768
Symptom: Multilink bundles and member links flap when passing traffic.
Conditions: Occurs under the following conditions:
–
–
Workaround: There is no workaround.
CSCud44942
•
Symptom: The router does not learn remote Connectivity Fault Management (CFM) Maintenance
Endpoint (MEPs).
Conditions: Occurs when you configure a MEP on an interface.
Workaround: There is no workaround.
CSCud49980
•
Symptom: The router does not learn remote Connectivity Fault Management (CFM) Maintenance
Endpoint (MEPs).
Conditions: Occurs when you configure CFM MEPs on carrier edge (CE) routers and VPLS on
provider edge (PE) routers.
Workaround: Create an EVC bridge-domain running CFM on the PE router and enable a virtual
forwarding interface (VFI) on the bridge-domain.
CSCud50851
•
Symptom: The router experiences flapping on REP connections.
Conditions: Occurs when you enable MAC limiting at a high scale and the set of MAC addresses
changes continuously.
Workaround: Disable MAC limiting.
CSCud50944
•
Symptom: The router drops traffic on an MLPPP bundle.
Conditions: Occurs following a reload while the router is passing traffic close to the line rate. The
issue occurs less frequently with lower traffic rates.
Workaround: Issue a shutdown/no shutdown on multilink interface.
CSCud55377
•
Symptom: The router crashes.
Conditions: Occurs when you configure offloaded CFM for xconnect sessions at a high scale.
Workaround: There is no workaround.
Cisco IOS XE 3S Release Notes for the Cisco ASR 903 Router
26
You configure more than 210 MLPPP bundles with one member link per bundle or 16 bundles
with 16 member links each.
The line is operating at a 64 or 128 byte line rate
Chapter
OL-26630-08