Dhcp Relay Screen - ZyXEL Communications MSC1024G Series User Manual

Chapter 5 Access Control List Screens

5.2 DHCP Relay Screen

Figure 40 DHCP Relay
The following table describes the labels in this screen.
Table 14 DHCP Relay
LABEL
VID
Enable DHCP
Relay
Info
Option Mode
Suboption2
Enable
Suboption2 Info
96
DESCRIPTION
Enter a VLAN ID (between 1 and 4094) to be served with 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.
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.
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.
Select this option to have the MSC add the sub-option 2 (Remote ID) to the client
DHCP requests for this VLAN.
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.
This field is configurable only when you select Sub-option2 Enable.
MSC1000G/1024G/1224G Series User's Guide