3com S7906E Verweisanleitung

 

2-7 

drop: Specifies to drop messages containing Option 82. 

keep: Specifies to forward messages containing Option 82 without any change. 

replace: Specifies to forward messages containing Option 82 after replacing the original Option 82 with 

the Option 82 padded in the specified padding format. 

Use the dhcp relay information strategy command to configure DHCP relay agent handling strategy 

for messages containing Option 82.  

Use the undo dhcp relay information strategy command to restore the default handling strategy. 

The handling strategy for messages containing Option 82 defaults to replace. 

# Configure the DHCP relay agent handling strategy for messages containing Option 82 as keep. 

<Sysname> system-view 

[Sysname] interface vlan-interface 1 

[Sysname-Vlan-interface1] dhcp relay information enable 

[Sysname-Vlan-interface1] dhcp relay information strategy keep 

dhcp relay release ip client-ip 

System view 

2: System level 

client-ip: DHCP client IP address. 

Use the dhcp relay release ip command to request the DHCP server to release a specified client IP 

address. 

# Request the DHCP server to release the IP address 1.1.1.1. 

<Sysname> system-view 

[Sysname] dhcp relay release ip 1.1.1.1 

dhcp relay security static ip-address mac-address [ interface interface-type interface-number ]