Dhcp Server Relay Information Enable - H3C S9500 Series Command Manual

Command Manual – DHCP
H3C S9500 Series Routing Switches
keep: Indicates that the DHCP relay agent does not change Option 82 in packets.
replace: Indicates that the DHCP relay agent replaces Option 82 in packets with its
own Option 82.
Description
Use the dhcp relay information strategy command to configure the way for a DHCP
relay agent to process packets carrying Option 82.
Use the undo dhcp relay information strategy command to restore the default.
By default, the replace strategy is adopted.
Examples
# Configure the DHCP relay agent on VLAN-interface 1 to drop DHCP request packets
carrying Option 82.
<H3C> system-view
System View: return to User View with Ctrl+Z
[H3C] interface vlan1
[H3C-Vlan-interface1] dhcp relay information strategy
# Restore the default.
[H3C-Vlan-interface1] undo dhcp relay information strategy

1.4.5 dhcp server relay information enable

Syntax
dhcp server relay information enable
undo dhcp server relay information enable
View
System view
Parameters
None
Description
Use the dhcp server relay information enable command to enable the function of
Option 82 support on DHCP server.
Use the undo dhcp server relay information enable command to disable the
function of Option 82 support on DHCP server.
When a client connected to a DHCP relay agent broadcasts a DHCP request packet,
the DHCP relay agent is responsible for forwarding the packet to a DHCP server. After
Option 82 support is enabled on the DHCP server, if the request packet forwarded by
Chapter 1 DHCP Configuration Commands
1-45
drop