Juniper JUNOSE 11.1.X - BROADBAND ACCESS CONFIGURATION GUIDE 6-4-2010 Configuration Manual page 674

JUNOSe 11.1.x Broadband Access Configuration Guide
vlan id
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Configuring Dynamic Subscriber Interfaces
Use the noversion to restore the default in which DHCP relay builds dynamic
subscriber interfaces on the IP interface that is used for DHCP server-destined
messages.
See set dhcp relay giaddr-selects-interface
Use to configure a VLAN ID for a VLAN subinterface.
Specify a VLAN ID number that is in the range 0–4095 and is unique within the
Ethernet interface.
Issue the vlan id command before you configure any upper-layer interfaces,
such as IP.
Example
host1(config-if)#vlan id 400
There is no no version.
See vlan id