ZyXEL Communications IES-1248-51A, User Manual

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IES-1248-51V User’s Guide
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C
H A P T E R
5 4
DHCP Commands
This chapter describes how to use the DHCP Relay and DHCP Snoop commands.
Use these commands to configure the DHCP relay feature. See
Chapter 29 on
page 223 for background information on DHCP relay.
54.1 General DHCP Command Parameters
The following table describes commonly used DHCP command parameter notation.
54.2 DHCP Relay Commands
Table 140 General DHCP Command Parameters
NOTATION DESCRIPTION
vid |all
The ID of the VLAN to which to apply the setting. Type
all
to apply
the setting to all VLANs.
vid
: 1-4094
port-list
You can specify a single port (
1
), all ports (
*
) or a list of ports (
1,3
).
You can also include a range of ports (
1,5,6~10
).
Table 141 DHCP Relay Commands
COMMAND DESCRIPTION P
switch dhcprelay show
This command displays the DHCP relay
settings for each VLAN. These settings
include whether or not this feature is
activated for each VLAN, the relay mode, the
current list of DHCP servers, the status of the
DHCP relay agent info option 82 feature and
the information configured for it. L/L
switch dhcprelay enable
< vid |all>
This command turns on the DHCP relay for
the specified VLAN or for all VLANs. M/H
switch dhcprelay disable
< vid |all>
This command turns off the DHCP relay for
the specified VLAN or for all VLANs. M/H