Dhcp Relay Agent Commands; Dhcp Relay Always-Unicast; Dhcp Relay Check Mac-Address - H3C S6550X-HI Series Command Reference Manual

The VPN information from authentication modules takes priority over the VPN information of the
receiving interface.
Examples
# Apply DHCP address pool 0 to VPN instance abc.
<Sysname> system-view
[Sysname] dhcp server ip-pool 0
[Sysname-dhcp-pool-0] vpn-instance abc

DHCP relay agent commands

dhcp relay always-unicast

Use
dhcp relay always-unicast
DHCP responses.
Use
undo dhcp relay always-unicast
Syntax
dhcp relay always-unicast
undo dhcp relay always-unicast
Default
The DHCP relay agent reads the broadcast flag in a DHCP response to decide whether to broadcast
or unicast the relayed response.
Views
System view
Predefined user roles
network-admin
Usage guidelines
This command enables the DHCP server to ignore the broadcast flag in DHCP responses and
always unicast all relayed responses.
Examples
# Enable the DHCP relay agent to always unicast relayed DHCP responses.
<Sysname> system-view
[Sysname] dhcp relay always-unicast
Related commands
dhcp select relay

dhcp relay check mac-address

Use
dhcp relay check mac-address
Use undo dhcp relay check mac-address
Syntax
dhcp relay check mac-address
undo dhcp relay check mac-address
to enable the DHCP relay agent to always unicast relayed
to restore the default.
to enable MAC address check on the relay agent.
to disable MAC address check on the relay agent.
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