3Com Switch 7750 Series
Command Reference Guide – DHCP Chapter 1 DHCP Server Configuration Commands
1-4
Parameter
None
Description
Use the dhcp server detect command to enable the unauthorized DHCP server
detecting function.
Use the undo dhcp server detect command to disable the unauthorized DHCP
server detecting function.
By default, the unauthorized DHCP server detecting function is disabled.
With the unauthorized DHCP server detecting function enabled, a DHCP server tracks
the information (such as the IP addresses and interfaces) of DHCP servers to enable
the administrator to detect unauthorized DHCP servers in time and take proper
measures.
Example
# Enable the private DHCP server detecting function.
<3Com> system-view
System View: return to User View with Ctrl+Z.
[3Com] dhcp server detect
1.1.5 dhcp server dns-list
Syntax
VLAN interface view:
dhcp server dns-list ip-address&<1-8>
undo dhcp server dns-list { ip-address | all }
System view:
dhcp server dns-list ip-address&<1-8> { interface interface-type interface-number
[ to interface-type interface-number ] | all }
undo dhcp server dns-list { ip-address | all } { interface interface-type
interface-number [ to interface-type interface-number ] | all }
View
System view/VLAN interface view
Parameter
ip-address&<1-8>: IP address of a DNS server. &<1-8> means you can provide up to
eight DNS server IP addresses. When inputting more than one DNS server IP address,
separate two neighboring IP addresses with a space.