Chapter 29 DHCP
GS1915 Series User’s Guide
239
29.4.8 Example: DHCP Relay for Two VLANs
The following example displays two VLANs (VIDs 1 and 2) for a campus network. Two DHCP servers are
installed to serve each VLAN. The system is set up to forward DHCP requests from the dormitory rooms
(VLAN 1) to the DHCP server with an IP address of 192.168.1.100. Requests from the academic buildings
(VLAN 2) are sent to the other DHCP server with an IP address of 172.16.10.100.
Figure 170
DHCP Relay for Two VLANs
For the example network, configure the
VLAN Setting
screen as shown.
Cancel
Click this to reset the values above based on the last selected entry or, if not applicable, to
clear the fields above.
Clear
Click
Clear
to reset the fields to the factory defaults.
Index
This field displays a sequential number for each entry. Click an index number to change the
settings.
VID
This field displays the VLAN to which the ports belongs.
Port
This field displays the ports to which the Switch applies the settings.
Profile Name
This field displays the DHCP option 82 profile
that the Switch applies to the ports in this VLAN.
Select an entry’s check box to select a specific entry. Otherwise, select the check box in the
table heading row to select all entries.
Delete
Select the entries that you want to remove, then click the
Delete
button to remove the selected
entries from the table.
Cancel
Click this to clear the check boxes above.
Table 121 IP Application > DHCP > DHCPv4 > VLAN > Port (continued)
LABEL
DESCRIPTION
VLAN 1
VLAN 2
