Alcatel-Lucent 7750 SR Manual page 1266

VPRN Service Configuration Commands
DHCP Commands
dhcp
Syntax dhcp
Context config>service>vprn>interface
config>service>vprn>subscriber-interface
config>service>vprn>sub-if>grp-if
Description
This command enables the context to configure DHCP parameters.
client-applications
Syntax client-applications dhcp
client-applications pppoe
client-applications dhcp pppoe
no client-applications
Context config>service>vprn>sub-if>grp-if>dhcp
Description
This command enables the clients that will try to contact the DHCP server(s).
The no form of the command removes the server client type from the configuration.
Parameters
dhcp — Specifies that the DHCP relay will forward requests to the DHCP server(s).
pppoe — Specifies that PPPoE will attempt to request an IP address for a PPPoE client from the
action
Syntax action {replace | drop | keep}
no action
Context config>service>vprn>if>dhcp>option
config>service>vprn>sub-if>grp-if>dhcp>option
Description
This command configures the processing required when the SR-Series router receives a DHCP
request that already has a Relay Agent Information Option (Option 82) field in the packet.
The no form of this command returns the system to the default value.
Default Per RFC 3046, DHCP Relay Agent Information Option , section 2.1.1, Reforwarded DHCP requests,
the default is to keep the existing information intact. The exception to this is if the giaddr of the
received packet is the same as the ingress address on the router. In that case the packet is dropped and
an error is logged.
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DHCP server(s)ly assigned to PPPoE node.
7750 SR OS Services Guide