Virtual Private Routed Network Services
7750 SR OS Services Guide Page 993
Description This command defines the length of lease-time that will be provided to DHCP clients. By default the
local-proxy-server will always make use of the lease-time information provide by either a RADIUS
or DHCP server.
The no form of this command disables the use of the lease-time command. The local-proxy-server
will use the lease-time offered by either a RADIUS or DHCP server.
Default 7 days 0 hours 0 seconds
Parameters radius-override — Specifies that the local-proxy-server will use the configured lease-time
information to provide DHCP clients.
days — Specifies the number of days that the given IP address is valid.
Values 0 — 3650
hours — Specifies the number of hours that the given IP address is valid.
Values 0 — 23
minutes — Specifies the number of minutes that the given IP address is valid.
Values 0 — 59
seconds — Specifies the number of seconds that the given IP address is valid.
Values 0 — 59
server
Syntax server server1 [server2...(up to 8 max)]
Context config>service>vprn>if>dhcp
config>service>vprn>sub-if>grp-if>dhcp
Description This command specifies a list of servers where requests will be forwarded. The list of servers can
entered as either IP addresses or fully qualified domain names. There must be at least one server
specified for DHCP relay to work. If there are multiple servers then the request is forwarded to all of
the servers in the list.
There can be a maximum of 8 DHCP servers configured.
The flood command is applicable only in the VPLS case. There is a scenario with VPLS where the
VPLS node only wants to add Option 82 information to the DHCP Request to provider per-subscriber
information, but it does not do full DHCP Relay. In this case, the server is set to "flood". This means
the DHCP Request is still a broadcast and is sent through the VPLS domain. A node running at L3
further upstream then can perform the full L3 DHCP Relay function.
Default no server
Parameters server — Specify the DHCP server IP address.
trusted
Syntax [no] trusted
Context config>service>vprn>if>dhcp
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