Allied Telesis AT-9000 Series - Manual (Page 59)

AT-9000 Switch Command Line User’s Guide
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You can also combine individual ports and port ranges in the same
command, as illustrated in these commands, which enter the Port
Interface mode for ports 5 to 11 and ports 16 and 18:
awplus> enable
awplus# configure terminal
awplus(config)# interface port1.0.5-port1.0.11,port1.0.16,
port1.0.18
awplus(config-if)#