Configuring the DHCP Server 665

„ Option 3—Default Router. If this option is not set with the set

 

interface dhcp-server command’s default-router option, the MSS

 

DHCP server can use the value set by the set ip route command. A

 

default route configured by set ip route can be used if the route is in

 

the DHCP client’s subnet. Otherwise, the MSS DHCP server does not

 

specify a router address.

 

„ Option 6—Domain Name Servers. If these options are not set with the

 

set interface dhcp-server command’s primary-dns and

 

secondary-dnsoptions, the MSS DHCP server uses the values set by

 

the set ip dns server command.

 

 

Configuring the

You can configure the DHCP server on an individual VLAN basis. To

DHCP Server

configure the server, use the following command:

 

set interface vlan-idip dhcp-server [enable disable] [start

 

ip-addr1

 

stop ip-addr2][dns-domain domain-name][primary-dns ip-addr

 

[secondary-dns ip-addr]][default-router ip-addr]

 

The vlan-idcan be the VLAN name or number.

 

The start ip-addr1and stop ip-addr2options specify the beginning and

 

ending addresses of the address range (also called the address pool). By

 

default, all addresses except the host address of the VLAN, the network

 

broadcast address, and the subnet broadcast address are included in the

 

range. If you specify the range, the start address must be lower than the

 

stop address, and all addresses must be in the same subnet. The IP

 

interface of the VLAN must be within the same subnet but is not required

 

to be within the range.

 

The following command enables the DHCP server on VLAN red-vlanto

 

serve addresses from the 192.168.1.5 to 192.168.1.25 range:

 

WX1200# set interface red-vlan ip dhcp-server enable start

 

192.168.1.5 stop 192.168.1.25

 

success: change accepted.

 

To remove all IP information from a VLAN, including the DHCP client and

 

user-configured DHCP server, use the following command:

 

clear interface vlan-idip

 

This command clears all IP configuration information from the interface.

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3Com WX4400 3CRWX440095A manual Dhcp Server, Set interface dhcp-server command’s primary-dns, Set ip dns server command
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WX1200 3CRWX120695A, WX4400 3CRWX440095A, WXR100 3CRWXR10095A, WX2200 3CRWX220095A specifications

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