Cisco ASR 903 - Link Failover

Layer 2 Solution
▀ REP
▄ Cisco ASR 903 Router Design and Deployment Guide
42
OL-30526-01
ASR903-R4# show rep topology
REP Segment 1
BridgeName PortName Edge Role
---------------- ---------- ---- ----
ASR903-R1 Gi0/2/0 Pri Alt
ASR903-R2 Gi0/2/0 Open
ASR903-R2 Gi0/2/1 Open
ASR903-R3 Gi0/2/1 Open
ASR903-R3 Gi0/2/0 Open
ASR903-R4 Gi0/2/0 Sec Open
Link Failover
ASR903-R3# configure terminal
Enter configuration commands, one per line. End with CNTL/Z.
ASR903-R3(config)#int gi0/2/1
ASR903-R3(config-if)# shutdown
*Jun 10 17:11:36.053: %REP-4-LINKSTATUS: GigabitEthernet0/2/1 (segment 1) is non-
operational due to port down
*Jun 10 17:11:38.049: %LINK-5-CHANGED: Interface GigabitEthernet0/2/1, changed state
to administratively down
*Jun 10 17:11:38.069: %LINEPROTO-5-UPDOWN: Line protocol on Interface
GigabitEthernet0/2/1, changed state to down
ASR903-R3# show rep topology
REP Segment 1
Warning: REP detects a segment failure, topology may be incomplete
BridgeName PortName Edge Role
---------------- ---------- ---- ----
ASR903-R3 Gi0/2/1 Fail
ASR903-R3 Gi0/2/0 Open
ASR903-R4 Gi0/2/0 Sec Open
ASR903-R1# show rep topology
REP Segment 1
Warning: REP detects a segment failure, topology may be incomplete
BridgeName PortName Edge Role
---------------- ---------- ---- ----
ASR903-R1 Gi0/2/0 Sec Open
ASR903-R2 Gi0/2/0 Open
ASR903-R2 Gi0/2/1 Fail