Juniper JUNOSE 11.1.X - LINK LAYER CONFIGURATION 4-7-2010 Configuration Manual page 209

The VLAN major interface is added.
Create a VLAN subinterface by adding a subinterface number to the interface
3.
identification command.
host1(config-if)#interface fastEthernet 4/1.1
Do one of the following:
4.
Assign a VLAN ID for the subinterface.
host1(config-if)#vlan id 400
Assign a VLAN ID and the optional unique MAC address for the subinterface.
host1(config-if)#vlan id 400 mac-address 0090.1a01.1234
Create an IP interface on the same VLAN as the PPPoE interface.
5.
host1(config-if)#ip address 164.10.6.71 255.255.255.0
Specify PPPoE as the encapsulation method on the interface.
6.
host1(config-if)#pppoe
Create a PPPoE subinterface.
7.
host1(config-if)#pppoe subinterface fastEthernet 4/1.1.1
Specify PPP as the encapsulation method on the interface.
8.
host1(config-if)#encapsulation ppp
Assign an IP address and mask.
9.
host1(config-if)#ip address 192.6.129.5 255.255.255.0
(Optional) Configure additional PPPoE subinterfaces by completing Steps 7
10.
through 9 using unique numbering.
To configure additional IP interfaces over the VLAN major interface:
Create a new VLAN subinterface by adding a unique subinterface number to the
1.
interface identification command.
host1(config-if)#interface fastEthernet 4/1.2
Assign a VLAN ID for the subinterface.
2.
host1(config-if)#vlan id 401
Assign an IP address and mask.
3.
host1(config-if)#ip address 164.10.6.51 255.255.255.0
Chapter 5: Configuring VLAN and S-VLAN Subinterfaces
Creating a VLAN Subinterface
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