3Com MSR 30, MSR 50 manual Dhcp relay release ip, Dhcp relay security static

732CHAPTER 52: DHCP RELAY AGENT CONFIGURATION COMMANDS

replace: Specifies to forward messages containing option 82 after replacing the original option 82 with the option 82 padded in the specified padding format.

Description 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.

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

<Sysname> system-view

[Sysname] interface ethernet 1/0 [Sysname-Ethernet1/0] dhcp relay information enable

[Sysname-Ethernet1/0] dhcp relay information strategy keep

dhcp relay release ip

Syntax dhcp relay release ip client-ip

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Parameter client-ip: DHCP client IP address.

Description Use the dhcp relay release ip command to send a release request to a specified DHCP server for releasing a specified client IP address.

Example # Send a release request to the DHCP server for releasing the IP address 1.1.1.1.

<Sysname> system-view

[Sysname] dhcp relay release ip 1.1.1.1

dhcp relay security static

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

undo dhcp relay security { ip-address all dynamic static }

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Parameter ip-address: Specifies a client IP address for creating a static binding.

mac-address: Specifies a client MAC address for creating a static binding, in the format H-H-H.