3Com Switch 8800 Advanced Software V5 Configuration Guide

726 CHAPTER 50: DHCP SERVER CONFIGURATION
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■ In DHCP address pool view, using the network command repeatedly
overwrites the previous configuration.
■ Using the dhcp server forbidden-ip command repeatedly can specify
multiple IP address ranges not assignable.
Configuring a Domain
Name for the Client
You can specify a domain name in each DHCP address pool on the DHCP server. To
configure the domain name in the DHCP address pool, use the following
commands:
Configuring DNS Servers
for the Client
When a DHCP client wants to access a host on the Internet via the host name, it
contacts a domain name system (DNS) server holding host name-to-IP address
mappings to get the host IP address. You can specify up to eight DNS servers in the
DHCP address pool.
To configure DNS servers in the DHCP address pool, use the following commands:
Configuring WINS
Servers and NetBIOS
Node Type for the Client
A Microsoft Windows DHCP client using NetBIOS protocol contacts a Windows
Internet Naming Service (WINS) server for name resolution. Therefore, the DHCP
Enter DHCP address pool
view
dhcp server ip-pool
pool-name
-
Specify an IP address range network network-address [
mask-length | mask mask ]
Required
Not specified by default,
meaning no assignable
address
Specify the address lease
duration
expired { day day [ hour hour
[ minute minute ] ] |
unlimited }
Optional
One day by default
Return to system view quit -
Exclude IP addresses from
automatic allocation
dhcp server forbidden-ip
low-ip-address [
high-ip-address ]
Optional
All addresses in the DHCP
address pool assignable by
default.
To do... Use the command... Remarks
To do... Use the command... Remarks
Enter system view system-view -
Enter the DHCP address
pool view
dhcp server ip-pool
pool-name
-
Specify the domain name
for the client
domain-name domain-name Required
Not specified by default
To do... Use the command... Remarks
Enter system view system-view -
Enter DHCP address pool
view
dhcp server ip-pool
pool-name
-
Specify DNS servers for the
client
dns-list ip-address&<1-8> Required
Not specified by default