DES-7200 Configuration Guide Chapter 6 REUP Configuration
6-17
Fig
10 Link state tracking configuration example
As shown in Fig 10: port 4 of Switch B1 is configured as the downstream port of group
1, and port 3 is configured as the upstream port; port 6 of Switch B2 is configured as
the downstream port of group 2, and port 5 is configured as the upstream port; REUP
dual-link backup is enabled on port 1 and port 2 of Switch C.