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ES-2000 Series Switch Support Notes
All contents copyright (c) 2006 ZyXEL Communications Corporation.
18
How to set up DHCP Relay Option 82 Environment
Here, we will set up an environment to allow a PC to get DHCP IP address in
specific IP pool according to its Switch port, VLAN ID and the option 82 string.
In this case, we are using GS-3012 for the demonstration. PC is behind 25
th
Switch port and the option 82 string is a string “GS-3012”. We use the IP
Commander as DHCP server. Its IP is 192.168.1.99 and the IP pool is between
192.168.1.201 and 192.168.1.203 for VID=1, Switch port=25 and the option 82
string is “GS-3012”.
1. Switch (GS-3012) settings
Click IP Application, DHCP Relay in the navigation panel to display configuration
screen as shown. You will see the DHCP Relay setup page. Active
the DHCP relay
and Option 82 function. Also, click Information to make “GS-3012” as the
Option 82 string. Information is READ ONLY here and it is the same as the
host name of the Switch.
Now we can connect PC to the 25
th
SWITCH port. Please see former
applications for detailed settings.
3. IP Commander settings
Open IP Commander. Right click “IP commander and then click “connect new