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DHCP Relay and Video Services Routers

The Dynamic Host Configuration Protocol (DHCP) provides an automated mechanism for network devices to obtain configuration information and a lease for an IP address.

The most important configuration parameter carried by DHCP is the IP address. A computer must initially be assigned a specific IP address that is appropriate to the network to which the computer is attached and that is not assigned to any other computer on that network. If you move a computer to a new network, it must be assigned a new IP address for that new network. You can use DHCP to manage these assignments automatically.

DHCP carries other important configuration parameters, such as the subnet mask, default router, and DNS server.

The video services router must run DHCP relay to enable devices to obtain parameters from the DHCP server on the network. The DHCP relay feature relays a request from a remote client to a DHCP server for an IP address. When the router receives a DHCP request from an IP client, it forwards the request to the DHCP server and passes the response back to the IP client.

For more information about configuring DHCP relay, see the JUNOS Policy Framework Configuration Guide.

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