3com WX3000 User Manual

Page of 715
 
4-2 
To do… 
Use the command… 
Remarks 
Configure the VLAN 
interface to obtain IP 
address through DHCP or 
BOOTP 
ip address { bootp-alloc | 
dhcp-alloc } 
Required 
By default, no IP address is 
configured for the VLAN 
interface. 
 
 
Currently, the device operating as a DHCP client can use an IP address for no more than 24 days; that 
is, it can obtain a lease with 24 days at most even if the DHCP server assigns a lease with more than 24 
days. 
 
DHCP Client Configuration Example 
Network requirements 
As shown in 
, using DHCP, VLAN-interface 1 of Switch A is connected to the LAN to obtain an 
IP address from the DHCP server. 
Figure 4-1 A DHCP network (Switch A serving as a DHCP client) 
WINS server
DHCP Client
DNS server
Vlan-interface1
Switch A
DHCP Client
DHCP Server
 
 
Configuration procedure 
The following describes only the configuration on Switch A serving as a DHCP client. 
# Configure VLAN-interface 1 to dynamically obtain an IP address by using DHCP. 
<SwitchA> system-view 
[SwitchA] interface vlan-interface 1 
[SwitchA-Vlan-interface1] ip address dhcp-alloc