3.21. DHCPRelay
Description
Use a DHCP Relay to dynamically alter the routing table according to relayed DHCP leases.
Properties
Name Specifies a symbolic name for the relay rule.
(Identifier)
Action Ignore, Relay or BootpFwd. (Default: Ignore)
SourceInterface The source interface of the DHCP packet.
TargetDHCPServer Specifies the IP of the server to send the relayed
DHCP packets to.
TargetDHCPServer2 Optional secondary server. (Optional)
TargetDHCPServer3 Optional tertiary server. (Optional)
IPOfferFilter Specifies the span of IP addresses that are allowed
to be relayed from the DHCP server. (Default: 1)
AddRoute Enable dynamic adding of routes as leases are
added and removed. (Default: No)
AddRouteLocalIP The IP Address specified here will automatically be
published on the interfaces where a route is added.
(Optional)
AddRouteGatewayIP The IP used as gateway to reach hosts on this
route. (Optional)
RoutingTable Specifies the routing table the clients host route
should be added to. (Default: main)
MaxRelaysPerInterface Specifies how many relays are allowed per
interface, that means, how many DHCP clients are
allowed to be relayed through each interface.
(Optional)
AgentIP Define what IP the relay should use as gateway IP
when passing the requests to the DHCP server.
(Default: Recv)
AllowNULLOffers Accept server responses offering IP address
"0.0.0.0" (no IP address offered). (Default: No)
ProxyARPAllInterfaces Always select all interfaces, including new ones, for
publishing routes needed for the relay via Proxy
ARP. (Default: No)
ProxyARPInterfaces Specifies the interface/interfaces on which the
firewall should publish routes needed for the relay
via Proxy ARP. (Optional)
LogEnabled Enable logging. (Default: Yes)
Chapter 3: Configuration Reference
146
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