3com S7906E Manuel De Montage

 

3-7 

Follow these steps to configure the DHCP relay agent in system view to send a DHCP-RELEASE 

request: 

Enter system view 

— 

Configure the DHCP relay agent to send a 
DHCP-RELEASE request 

dhcp relay release ip client-ip 

Required 

 

You need to complete the following tasks before configuring the DHCP relay agent to support Option 82. 

z 

Enabling DHCP 

z 

Enabling the DHCP relay agent on the specified interface 

z 

Correlating a DHCP server group with relay agent interfaces 

Follow these steps to configure the DHCP relay agent to support Option 82: 

Enter system view 

— 

Enter interface view 

interface interface-type 
interface-number 

— 

Enable the relay agent to support 
Option 82 

Required 

Disabled by default. 

Configure the handling strategy for 
requesting messages containing 
Option 82 

dhcp relay information 
strategy { drop | keep | 
replace } 

Optional 

replace by default. 

Configure the 
padding format for 
Option 82 

dhcp relay information 
format { normal | verbose 
[ node-identifier { mac | 
sysname | user-defined 
node-identifier } ] } 

Optional 

normal by default. 

Configure the 
code type for the 
circuit ID 
sub-option 

dhcp relay information 
circuit-id format-type 
{ ascii | hex } 

Optional 

By default, the code type 
depends on the padding 
format of Option 82. Each 
field has its own code type. 

The code type configuration 
applies to non-user-defined 
Option 82 only. 

Configure 
non-user-defined 
Option 82 

Configure the 
code type for the 
remote ID 
sub-option 

dhcp relay information 
remote-id format-type 
{ ascii | hex } 

Optional 

By default, the code type is 
hex. 

This code type configuration 
applies to non-user-defined 
Option 82 only.