ZyXEL Communications IES-708 Guide de l'utilisateur télécharger pdf (Page 183)

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Chapter 26 DHCP Relay

IES-708-22A User’s Guide

183

Figure 90 Advanced Application > DHCP Relay

The following table describes the labels in this screen.

Table 56 Advanced Application > DHCP Relay

LABEL DESCRIPTION

Enable DHCP

Relay:

Enable DHCP relay to have the IES-708-22A relay DHCP requests to a DHCP

server and the server’s responses back to the clients.

Relay Mode Specify how the IES-708-22A relays DHCP requests.

Auto - The IES-708-22A routes DHCP requests to the active server for each

VLAN.

Both - The IES-708-22A routes DHCP requests to the primary and secondary

server for each VLAN, regardless of which one is active.

Enable Option82

Sub-option1

Enable DHCP relay info to have the IES-708-22A add the originating port

numbers to DHCP requests regardless of whether the DHCP relay is on or off.

Sub-option1 (Circuit

ID)

Use this field to specify up to 23 English keyboard characters of additional

information for the IES-708-22A to add to the DHCP requests that it relays to a

DHCP server.

Examples of information you could add would be the chassis number of the IES-

708-22A or the ISP’s name.

Enable Option82

Sub-option2

Enable DHCP relay info to have the IES-708-22A add the sub-option 2 (Remote

ID) to DHCP requests regardless of whether the DHCP relay is on or off.

Sub-option2

(Remote ID)

Use this field to specify up to 23 English keyboard characters of additional

information for the IES-708-22A to add to the DHCP requests that it relays to a

DHCP server.

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