Juniper JUNOS OS 10.4 - FOR EX REV 1 Manual page 3258

Complete Software Guide for Junos
3154
®
OS for EX Series Ethernet Switches, Release 10.4
To configure DHCP option 82:
NOTE: Replace values displayed in italics with values for your configuration.
Specify DHCP option 82 for all VLANs associated with the switch or for a specified
1.
VLAN. (You can also configure the feature for a VLAN range.)
On a specific VLAN:
[edit ethernet-switching-options secure-access-port]
user@switch# set vlan employee dhcp-option82
On all VLANs:
[edit ethernet-switching-options secure-access-port]
user@switch# set vlan all dhcp-option82
The remaining steps are optional.
To configure a prefix for the circuit ID suboption (the prefix is always the hostname
2.
of the switch):
[edit ethernet-switching-options secure-access-port]
user@switch# set vlan employee dhcp-option82 circuit-id prefix hostname
To specify that the circuit ID suboption value contains the interface description rather
3.
than the interface name (the default):
[edit ethernet-switching-options secure-access-port]
user@switch# set vlan employee dhcp-option82 circuit-id use-interface-description
To specify that the circuit ID suboption value contains the VLAN ID rather than the
4.
VLAN name (the default):
[edit ethernet-switching-options secure-access-port]
user@switch# set vlan employee dhcp-option82 circuit-id use-vlan-id
To specify that the remote ID suboption is included in the DHCP option 82 information:
5.
[edit ethernet-switching-options secure-access-port]
user@switch# set vlan employee dhcp-option82 remote-id
To configure a prefix for the remote ID suboption (here, the prefix is the MAC address
6.
of the switch):
[edit ethernet-switching-options secure-access-port]
user@switch# set vlan employee dhcp-option82 remote-id prefix mac
To specify that the prefix for the remote ID suboption is the hostname of the switch
7.
rather than the MAC address of the switch (the default):
[edit ethernet-switching-options secure-access-port]
user@switch# set vlan employee dhcp-option82 remote-id prefix hostname
To specify that the remote ID suboption value contains the interface description:
8.
[edit ethernet-switching-options secure-access-port]
user@switch# set vlan employee dhcp-option82 remote-id use-interface-description
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