ZyXEL Communications ES-2048, Руководство пользователя

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Chapter 25 DHCP
ES-2048 User’s Guide
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You must set up a management IP address for each VLAN that you want to
configure DHCP settings for on the Switch.
See Section 7.6 on page 73 for information on how to set up management IP addresses for
VLANs.
Figure 118 IP Application > DHCP > VLAN
The following table describes the labels in this screen.
Table 78 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 ).