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3
Configuring the Switch
Command Usage
You must specify the IP address for at least one DHCP server. Otherwise, the
switch's DHCP relay agent will not forward client requests to a DHCP server.
Command Attributes
• VLAN ID – ID of configured VLAN.
• VLAN Name – Name of the VLAN.
• Server IP Address – Addresses of DHCP servers to be used by the switch's
DHCP relay agent in order of preference.
• Restart DHCP Relay – Use this button to enable or re-initialize DHCP relay
service.
Web – Click DHCP, Relay Configuration. Enter up to five IP addresses for any
VLAN, then click Restart DHCP Relay to start the relay service.
CLI – This example specifies one DHCP relay server for VLAN 1, and enables the
relay service.
Console(config)#interface vlan 1
Console(config-if)#dhcp relay server 10.1.0.99
Console(config-if)#ip dhcp relay
Console(config-if)#
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Figure 3-107 DHCP Relay Configuration
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