Configuring the Device as a BootP/DHCP Relay Agent

Navigate to the Forwarding-options level in the configuration hierarchy, and select the interface on which to configure the BootP/DHCP relay agent information.

In the J-Web interface, select Configuration>Quick Configuration>DHCP>BootP/DHCP Relay Agent..

From the [edit] hierarchy level, enter

set forwarding-options helpers bootp

Enable the DHCP relay agent to relay bootp/DHCP messages to BootP server.

Select the DHCP relay agent check box to enable the BootP/DHCP relay agent.

Enable the DHCP relay agent:

set forwarding-options helpers bootp relay agent-option

Enable VPN encryption to allow client requests to pass through the VPN tunnel.

Select the VPN encryption check box.

Enable VPN encryption to allow client requests to pass through VPN tunnel:

set forwarding-options helpers bootp vpn

Define the IP time-to-live value to be set in responses to client—for example, 20.

The range is 1—255.

In the Client response TTL box, type20.

Set the IP time-to-live value to be set in responses to client to 20:

set forwarding-options helpers bootp client-response-ttl 20

Define the maximum number of hops allowed per packet—for example, 10.

The range is 4—16.

In the Maximum hop count box, type 10.

Set the maximum number of hops allowed per packet to 10:

set forwarding-options helpers bootp maximum-hop-count number 10

Define the minimum number of seconds before requests are forwarded—for example, 300.

The range is 0—30000 seconds.

In the Minimum wait time box, type 300.

Set the minimum number of seconds before requests are forwarded to 300:

set forwarding-options helpers bootp minimum-wait-time seconds 300

Define the text description of the server.

The value is a string.

In the Description box, type the description of the server.

Set the description of the server:

set forwarding-options helpers bootp description text

Define a valid server name or address to the server to forward.

The value is an IPv4 address.

1. Next to Sever, click Add new Entry.
2. Next to the Name box, type 2.2.2.2.

Set the server name:

set forwarding-options helpers bootp server

Define the routing instance. The value is a nonreserved text string of 128 characters or less.

1. Next to Routing instance, click Add new entry.
2. In the Name box, type rt-i-1 and click OK.

   A routing instance is optional.

Set the routing instance:

set forwarding-options helpers bootp server routing instance

Define the incoming BootP/DHCP request forwarding interface—for example, ge-0/0/0.

1. Next to Routing instance, click Add new entry.
2. In the Interface name box, type ge-0/0/0.
3. Click OK until you return to the Configuration page.

Set the incoming BootP/DHCP request forwarding interface to ge-0/0/0:

set forwarding-options helpers bootp interface ge-0/0/0