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DES-7200 Configuration Guide Chapter 6 REUP Configuration
6-22
DES-7200(config)# interface range gigabitEthernet 0/1 – 3
SwitchB(config-if-range)#switchport mode trunk
SwitchB (config-if-range)# mac-address-table update group 1
SwitchB (config-if-range)# end
¾ Configurations on Switch C
Same as the configurations on Switch B.
¾ Configurations on Switch A
Step 1: Enable Switch A to send MAC address update message
SwitchA # configure terminal
SwitchA (config)# mac-address-table move update receive
Step 2: Join all ports on REUP switched path to the same MAC address update group
SwitchA (config)# interface range gigabitEthernet 0/1 – 2
SwitchA (config-if-range)# switchport mode trunk
SwitchA (config-if-range)# mac-address-table update group 1
SwitchA (config-if-range)# end
6.4.5 Verify configurations
¾ Displaying REUP configurations on Switch D
Step 1: Display the dual-link backup state of ports on Switch D
SwitchD#show interfaces switchport backup detail
Switch Backup Interface Pairs:
Active Interface Backup Interface State
---------------- ---------------- --------------------
Gi4/1 Gi4/2 Active Up/Backup Standby
Interface Pair : Gi4/1, Gi4/2
Preemption Mode : Off //REUP preemption mode is
disabled
Preemption Delay : 35 seconds
Bandwidth : Gi4/1(1000 Mbits), Gi4/2(1000 Mbits)
As shown above, when links function normally (both primary and secondary ports of
Switch D are Link Up), the secondary port of Switch D will maintain Standby state.
Step 2: Disconnect the uplink on the primary port of Switch D and then verify device
state
SwitchD#show interfaces switchport backup detail
Switch Backup Interface Pairs:
Active Interface Backup Interface State
---------------- ---------------- --------------------