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ZyXEL Communications ES-4024A User Manual

Page 17

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ES-4024A Series Switch Support Notes


All contents copyright (c) 2006 ZyXEL Communications Corporation.

17

General Networking

DHCP Relay Option 82 Application

ISP may want to limit the number of IP address or deliver some specific IP

addresses according to certain Switch port, VLAN ID and option 82 string.

They can easily to achieve this with DHCP Relay Option 82 feature and a

DHCP server supporting Option 82 function.

DHCP

Server

192.168.1.99

Network

Ethernet Port

DHCP Client

Port 25