Avaya BSGx4e CLI Guide de l'utilisateur télécharger pdf (Page 99)

3 Configuration commands Relay commands

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relay dhcp settings

The DHCP relay function relays DHCP messages between clients located on

the LAN and a single server located on the WAN. From the viewpoint of the

clients on the LAN, the BSGX4e appears to be the server. From the

viewpoint of the server on the WAN, the BSGX4e appears to be the client.

Before enabling DHCP relay, the following tasks must be performed:

z Disable the DHCP server on the LAN interface. See dhcps pool on page

35.

z Disable NAT on the WAN interface. See security nat interface on page

113.

z Create a security policy allowing the traffic from the DHCP server to the

DHCP relay agent. See security policy on page 116

Note: DHCP relay can not be enabled while the DHCP server is running.

Use this command to configure DHCP relay.

Syntax config relay dhcp settings enabled [yes|no] server <ip

address>

Parameters enabled yes|no Enable/disable DHCP relay. The default is no

(disabled).

server ip address Enter the IP address of the DHCP server on the

WAN to which the LAN DHCP messages are

relayed. The DHCP server can only be

configured with an address on the interface

subnet.

Example > config security nat interface eth0 status off

> config security policy from eth0 to self sip 192.168.134.200

sport 67 dport 67 proto udp action allow

> config relay dhcp settings enabled yes server

192.168.134.200

commands

display relay dhcp settings

show relay dhcp settings

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Avaya BSGx4e CLI Guide de l'utilisateur Page 99