Prefix - Juniper JUNOS OS 10.3 - SOFTWARE Manual

Complete Software Guide for Junos

prefix

Syntax
Hierarchy Level
Release Information
Description
Default
Options
Required Privilege
Level
Related
Documentation
2970
®
OS for EX Series Ethernet Switches, Release 10.3
prefix hostname | mac | none;
[edit ethernet-switching-options secure-access-port vlan (all | vlan-name) dhcp-option82
remote-id]
[edit forwarding-options helpers bootp dhcp-option82 remote-id]
[edit forwarding-options helpers bootp interface interface-name dhcp-option82 remote-id]
Statement introduced in Junos OS Release 9.3 for EX Series switches.
Configure an optional prefix for the remote ID suboption in the DHCP option 82 information
that is inserted by the switch into the packet header of a DHCP request before it forwards
or relays the request to a DHCP server.
If is not explicitly specified, no prefix is appended to the remote ID.
prefix
—Name of the host system (the switch) that is forwarding or relaying the DHCP
hostname
request from the DHCP client to the DHCP server.
mac —MAC address of the host system (the switch) that is forwarding or relaying the
DHCP request from the DHCP client to the DHCP server.
—No prefix is applied to the remote ID.
none
routing—To view this statement in the configuration.
routing-control—To add this statement to the configuration.
Example: Setting Up DHCP Option 82 on an EX Series Switch with No Relay Agent
Between Clients and DHCP Server on page 2898
Example: Setting Up DHCP Option 82 with an EX Series Switch as Relay Agent Between
Clients and a DHCP Server on page 2895
Setting Up DHCP Option 82 on the Switch with No Relay Agent Between Clients and
DHCP Server (CLI Procedure) on page 2929
Setting Up DHCP Option 82 with the Switch as a Relay Agent Between Clients and
DHCP Server (CLI Procedure) on page 2926
[edit forwarding-options] Configuration Statement Hierarchy on page 51
RFC 3046, DHCP Relay Agent Information Option, at
http://tools.ietf.org/html/rfc3046.
Copyright © 2010, Juniper Networks, Inc.