IES Interface Commands
Page 972 7750 SR OS Services Guide
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>ies>if>dhcp
config>service>ies>sub-if>grp-if>dhcp
Description This command specifies a list of servers where requests will be forwarded. The list of servers can be
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.
Default no server
Parameters server — Specify the DHCP server IP address.
trusted
Syntax [no] trusted
Context config>service>ies>if>dhcp
config>service>ies>sub-if>grp-if>dhcp
Description According to RFC 3046, DHCP Relay Agent Information Option, a DHCP request where the giaddr
is 0.0.0.0 and which contains a Option 82 field in the packet, should be discarded, unless it arrives on
a "trusted" circuit. If trusted mode is enabled on an IP interface, the Relay Agent (the router) will
modify the request's giaddr to be equal to the ingress interface and forward the request.
Note that this behavior only applies when the action in the Relay Agent Information Option is "keep".
In the case where the Option 82 field is being replaced by the Relay Agent (action = "replace"), the
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