Dhcp Relay Agent; Dhcp Relay Agent Settings - Colubris Networks CN3000 Administrator's Manual

Chapter 11 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -Configuration parameters - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Chapter 11

DHCP relay agent

Open the Network > Address allocation > DHCP relay agent page.
Listen for requests on
DHCP relay
The port the CN3000 will listen for DHCP requests on.
agent settings
Relay requests to
Select the port the CN3000 will relay DHCP requests to. The primary and secondary
servers must be reachable via this port.
Primary DHCP server address
Specify the IP address of the primary DHCP server the CN3000 should forward DHCP
requests to.
Secondary DHCP server address
Specify the IP address of the secondary DHCP server the CN3000 should forward
DHCP requests to.
Note
• DHCP relay is not supported via PPPoE.
• This option will not work if the internal firewall is set to High and NAT is enabled on the
• Routes must be defined on the remote DHCP servers so that they can successfully
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Internet port. The reason for this is that the DCHP server must be able to ping the
assigned address to prevent duplicate assignments.
send DHCP packets back to the DHCP relay agent running on the CN3000. These
routes must identify the segment assigned to the CN3000's LAN port.