3com 3031 Instruccion De Instalación

By default, the interface is not configured as getting IP address from DHCP.

1 The command 

 is in conflict with the command 

address ip-address { mask | mask-length }

, so you can only use one of 

them. 

2 You cannot configure sub-addresses with the command 

.

DHCP relay configuration tasks include

■

Configuring IP relay address

■

Configuring DHCP server load sharing from DHCP relay

■

Releasing DHCP client IP address from DHCP relay

■

Clearing DHCP relay information

By configuring IP relay address, you can assign the DHCP broadcast messages 
received at the interface to be sent to a specified server. 

After configuring IP relay address at the interface, you can enable DHCP relay 
function on it. 

Perform the following in the Interface View to configure IP relay address for the 
current interface.

Perform the following in the System View to configure IP relay address for multiple 
interfaces. 

Up to 20 IP relay addresses can be configured at an interface. 

You can use DHCP relay to configure several DHCP servers and share traffic load 
between them. 

Table 445   Configuring IP relay address for the current interface

Adds IP relay address for the 
interfaces

Deletes the IP relay address of the 
interface 

undo ip relay address { ip-address | all }

Table 446   Configuring IP relay address for multiple interfaces in a specified range

Adds IP relay address for multiple interfaces

Deletes the IP relay addresses used by 
multiple interfaces 

undo ip relay address { ip-address 
| all }