beautypg.com

ZyXEL Communications ZyXEL Dimension ES-4124 User Manual

Page 17

background image

ES-4124 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