3Com Switch 4800G 24-Port Configuration Manual page 802

802 C 57: DHCP S
HAPTER
Configuring a Domain
Name Suffix for the
Client
Configuring DNS Servers
for the Client
C
ERVER ONFIGURATION
To do...
Enter system view
Enter DHCP address pool view dhcp server ip-pool
Specify an IP address range
Specify the address lease
duration
Return to system view
Exclude IP addresses from
automatic allocation
n
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.
You can specify a domain name suffix in each DHCP address pool on the DHCP
server to provide the clients with the domain name suffix. With this suffix
assigned, the client needs only input part of a domain name, and the system will
add the domain name suffix for name resolution. For details about DNS, refer to
"Configuring the DNS Client" on page 973.
Follow these steps to configure a domain name suffix in the DHCP address pool:
To do...
Enter system view
Enter the DHCP address pool
view
Specify a domain name suffix
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.
Follow these steps to configure DNS servers in the DHCP address pool:
To do...
Enter system view
Use the command...
system-view
pool-name
network network-address
[ mask-length | mask mask ]
expired { day day [ hour
hour [ minute minute ] ] |
unlimited }
quit
dhcp server forbidden-ip
low-ip-address
[ high-ip-address ]
Use the command...
system-view
dhcp server ip-pool
pool-name
domain-name domain-name Required
Use the command...
system-view
Remarks
-
-
Required
Not specified by default,
meaning no assignable
address.
Optional
One day by default.
-
Optional
Except IP addresses of the
DHCP server interfaces, all
addresses in the DHCP
address pool are assignable by
default.
Remarks
-
-
Not specified by default.
Remarks
-