3Com Switch 4500 Family - Dhcp Relay Information Enable

1-2
View
System view
Parameters
None
Description
Use the dhcp relay hand enable command to enable the DHCP relay handshake function. With this
feature enabled, the DHCP relay agent uses the IP address of a client and the MAC address of the
DHCP relay interface to periodically send a handshake message to the DHCP server to determine
whether or not to update the clent’s binding entry.
Use the dhcp relay hand disable command to disable the DHCP relay handshake function.
By default, the DHCP relay handshake function is enabled.
Note that: Currently, the DHCP relay agent handshake function on a S4500 series switch can only
interoperate with a Windows 2000 DHCP server.
Examples
# Disable the DHCP relay handshake function.
<Sysname> system-view
System View: return to User View with Ctrl+Z.
[Sysname] dhcp relay hand disable
dhcp relay information enable
Syntax
dhcp relay information enable
undo dhcp relay information enable
View
System view
Parameters
None
Description
Use the dhcp relay information enable command to enable Option 82 support on a DHCP relay
agent.
Use the undo dhcp relay information enable command to disable Option 82 support on a DHCP relay
agent.
By default, this function is disabled.