gistfile1.txt

alias sw=etherswitchcfg
sw port0 striptag
sw port1 striptag
sw port1 pvid 2
sw port3 addtag
sw port4 addtag
sw vlangroup0 members 0,2,3,4

Result:

# sw
etherswitch0: VLAN mode: DOT1Q
etherswitch0: Switch MAC address: 00:00:00:00:00:01
port0:
        pvid: 1
        flags=3<CPUPORT,STRIPTAG>
        media: Ethernet 1000baseT <full-duplex>
        status: active
port1:
        pvid: 2
        flags=2<STRIPTAG>
        media: Ethernet autoselect (100baseTX <full-duplex>)
        status: active
port2:
        pvid: 2
        flags=4<ADDTAG>
        media: Ethernet autoselect (100baseTX <full-duplex>)
        status: active
port3:
        pvid: 1
        flags=4<ADDTAG>
        media: Ethernet autoselect (100baseTX <full-duplex>)
        status: active
port4:
        pvid: 1
        flags=4<ADDTAG>
        media: Ethernet autoselect (none)
        status: no carrier
vlangroup0:
        vlan: 1
        members 0,2,3,4
vlangroup1:
        vlan: 2
        members 1,2