Specifications

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DCS-3950 series Ethernet switch manual
Fig 17-3 Configuring Port Channel in ON mode
Example: As shown in the figure, ports 1, 2, 3 of Switch1 are access ports that belong to
vlan1. Add those three port to group1 in ‘on’ mode. Ports 6, 7, 8 of Switch2 are trunk ports
that also belong to vlan1, and allow all,and add the these four ports to group2 in ‘on’ mode
The configuration steps are listed below:
Switch1#config
Switch1 (Config)#interface eth 0/0/1
Switch1 (Config-Ethernet0/0/1)# port-group 1 mode on
Switch1 (Config-Ethernet0/0/1)#exit
Switch1 (Config)#interface eth 0/0/2
Switch1 (Config-Ethernet0/0/2)# port-group 1 mode on
Switch1 (Config-Ethernet0/0/2)#exit
Switch1 (Config)#interface eth 0/0/3
Switch1 (Config-Ethernet0/0/3)# port-group 1 mode on
Switch1 (Config-Ethernet0/0/3)#exit
Switch2#config
Switch2 (Config)#port-group 2
Switch2 (Config)#interface eth 0/0/6
Switch2 (Config-Ethernet0/0/6)#port-group 2 mode on
Switch2 (Config-Ethernet0/0/6)#exit
Switch2 (Config)# interface eth 0/0/8-9
Switch2 (Config-Port-Range)#port-group 2 mode on
Switch2 (Config-Port-Range)#exit
Configuration result:
Add ports 1, 2, 3 of Switch 1 to port-group 1 in order, and we can see a group in ‘on’ mode
is completely joined forcedly, switch in other ends won’t exchange LACP BPDU to
complete aggregation. Aggregation finishes immediately when the command to add port 2