Cisco ASR 903 - Page 133

Clocking
Sync-E Configuration ▀
Cisco ASR 903 Router Design and Deployment Guide▄
OL-30526-01
133
Figure 28. Input Source Options
Here is the diagram for SYNC-E configuration. R1 router has its BITS port connected to external clock source and
then uses SYNC-E to distribute it to other routers.
Figure 29. SYNC-E
ASR903-R2
Loopback10: 10.10.2.2
ASR903-R4
Loopback10: 10.10.4.4
Gi0/1/0
Gi0/1/0
Gi0/1/1
Gi0/1/1
Gi0/1/0Gi0/1/2
Gi0/1/0Gi0/1/1
Gi0/1/4
ASR903-R3
Loopback10: 10.10.3.3
ASR903-R1
Loopback10: 10.10.1.1
Clock Source