ZyXEL Communications MGS3700-12C, Руководство пользователя

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Chapter 37 DHCP
MGS3700-12C User’s Guide
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The following table describes the labels in this screen.
37.4.1 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
Table 121 IP Application > DHCP > VLAN
LABEL DESCRIPTION
VID Enter the ID number of the VLAN to which these DHCP settings apply.
Remote
DHCP Server
1 .. 3 Enter the IP address of a DHCP server in dotted decimal notation.
Relay Agent
Information Select the Option 82 check box to have the Switch add information (slot
number, port number and VLAN ID) to client DHCP requests that it relays
to a DHCP server.
Information This read-only field displays the system name you configure in the
General Setup screen.
Select the check box for the Switch to add the system name to the client
DHCP requests that it relays to a DHCP server.
Add Click Add to save your changes to the Switch’s run-time memory. The
Switch loses these changes if it is turned off or loses power, so use the
Save link on the top navigation panel to save your changes to the non-
volatile memory when you are done configuring.
Cancel Click Cancel to begin configuring this screen afresh.
Clear Click this to clear the fields above.
VID This field displays the ID number of the VLAN group to which this DHCP
settings apply.
Type This field displays the DHCP mode ( Relay ).
DHCP Status For DHCP relay configuration, this field displays the first remote DHCP
server IP address.
Delete Select the configuration entries you want to remove and click Delete to
remove them.
Cancel Click Cancel to clear the Delete check boxes.