FreeBSD Vlans

script version
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ifconfig vlan1874 create
ifconfig vlan1875 create


ifconfig vlan1874 vlan 1874 vlandev re0
ifconfig vlan1875 vlan 1875 vlandev re0

ifconfig vlan1874 inet x.x.x.x netmask 255.255.255.252
ifconfig vlan1875 inet y.y.y.y netmask 255.255.255.128

ifconfig re0 up
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rc.conf version
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cloned_interfaces="vlan1874 vlan1875"
ifconfig_vlan1874="inet x.x.x.x netmask 255.255.255.252 vlan 1874 vlandev re0"
ifconfig_vlan1875="inet y.y.y.y netmask 255.255.255.128 vlan 1875 vlandev re0"

ifconfig_re0="up"
#######################################



Cisco version
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conf t

interface FastEthernet0/20
switchport trunk encapsulation dot1q
switchport trunk allowed vlan 1874,1875
switchport mode trunk
no shutdown

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