Server Active Command; Relaymode Command; Dhcp Relay Option 82 (Agent Information) Sub-Option 1 (Circuit Id) - ZyXEL Communications IES-1248-51 User Manual

47.1.6 Server Active Command

Syntax:
ras> switch dhcprelay server active <vid> <active-server>
where
<vid>
<active-server> =
This command has no effect if the relaymode is both. If the relaymode is auto, this
command specifies to which DHCP server (the primary one or the secondary one) the IES-
1248 should relay DHCP requests for the selected VLAN.

47.1.7 Relaymode Command

Syntax:
ras> switch dhcprelay relaymode <mode>
where
<mode>
This command controls how the IES-1248 routes DHCP requests. The IES-1248 can route
DHCP requests to the active DHCP server for the VLAN, or it can route DHCP requests to all
DHCP servers set up for the VLAN.
47.2 DHCP Relay Option 82 (Agent Information) Sub-option 1
(Circuit ID)
Use the following commands to configure the DHCP relay Option 82 (agent information)
feature, sub-option 1. This feature applies regardless of whether or not the DHCP relay is on.
Chapter 47 DHCP Commands
The ID of the VLAN served by the specified DHCP server(s).
=
1: The primary DHCP server is active.
2: The secondary DHCP server is active.
relay process mode; it controls to which DHCP server(s) the
=
IES-1248 relays DHCP requests.
auto - the IES-1248 relays DHCP requests to the active server
for each VLAN
both - the IES-1248 relays DHCP requests to the primary and
secondary server for each VLAN, regardless of which one is
active
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