ZyXEL Communications MSC1000G Series, Руководство пользователя

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Chapter 4 Access Control List Screens
Management Switch Card User’s Guide
84
4.2 DHCP Relay Screen
Figure 26
DHCP Relay
The following table describes the labels in this screen.
Table 16
DHCP Relay
LABEL DESCRIPTION
VID Enter a VLAN ID (between 1 and 4094) to be served with DHCP relay.
Enable DHCP
Relay Select disable to deactivate the DHCP relay service in this VLAN.
Select mode 1 to activate DHCP relay service and have the MSC add the originating port
numbers, VLAN ID and additional information (if configured) to the client DHCP requests
for this VLAN. Then MSC forwards it to the DHCP server in the management VLAN.
Select mode 2 to disable DHCP relay service but have the MSC add the originating port
numbers, VLAN ID and additional information (if configured) to the client DHCP requests
before broadcasting them.
Option82 Info Use this field to specify up to 23 English keyboard characters of additional information for
the MSC to add to the DHCP requests that it relays to a DHCP server.
Examples of information you could add would be the name of the MSC or the ISP.
Option Mode Use this field to select the method (private or TR-101) in which DHCP relay information is
sent. With TR-101 you also have the option to include the VLAN ID.
Select private to use the private method to encode the DHCP relay information.
Select tr101 to use TR-101 to encode the DHCP relay information.
Select tr101 with vlan to use TR-101 to encode the DHCP relay information and also add
the VLAN ID in the DHCP requests.