(REP ENN) only support one interface configured as a REP Edge No-Neighbor port, resulting in an unsupported
architecture with the REP Access Gateway (REP AG) device.
Figure 1: REP Access Gateway
Fast failure detection in a REP-AG configured device can be achieved by enabling communication between
Connectivity Fault Manager (CFM) and REP. CFM on the edge ports can notify REP if any failure is detected
on the monitored links, allowing the appropriate re-convergence actions to be taken.
The mechanism for the communication is for REP to register as an Ethernet Fault Detection (EFD) client, so
that any CFM defects above a configurable threshold triggers a notification to REP.
How to Configure REP Access Gateway
Enabling EFD Notifications
Before You Begin
CFM IEEE must be enabled before enabling EFD notifications. For information, see Configuring Ethernet
Connectivity Fault Management in a Service Provider Network.
For information on CFM configuration, see Carrier Ethernet Configuration Guide, Cisco IOS XE Release
(Cisco ASR 900 Series).
LAN Switching Configuration Guide Cisco IOS XE Everest 16.5.1 (Cisco ASR 900 Series)
3
REP Access Gateway
How to Configure REP Access Gateway
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