ZyXEL Communications GS1920-48HPv2, Руководство пользователя

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Chapter 37 DHCP
GS1920v2 Series User’s Guide
327
37.4.3 C o nfig uring DHC Pv4 G lo b a l Re la y
Use this screen to configure global DHCPv4 relay. Click
IP Applic a tio n > DHC P > DHC Pv4
in the
navigation panel and click the
G lo b a l
link to display the screen as shown.
Fig ure 234
IP Application > DHCP > DHCPv4 > Global
string Enter a string of up to 64 ASCII characters that the Switch adds into the client DHCP requests.
Spaces are allowed.
Remote-ID Use this section to configure the Remote ID sub-option to include information that identifies the
relay agent (the Switch).
Enable Select this option to have the Switch append the Remote ID sub-option to the option 82 field of
DHCP requests.
mac Select this option to have the Switch add its MAC address to the client DHCP requests that it
relays to a DHCP server.
string Enter a string of up to 64 ASCII characters for the remote ID information in this field. Spaces are
allowed.
Add Click this to create a new entry or to update an existing one.
This saves 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
Sa ve
link on the top navigation panel to save your changes
to the non-volatile memory when you are done configuring.
Cancel Click
C a nc e l
to reset the fields to their last saved values.
Profile Name This field displays the descriptive name of the profile. Click the name to change the settings.
Circuit-ID
Enable This field displays whether the Circuit ID sub-option is added to client DHCP requests.
Field This field displays the information that is included in the Circuit ID sub-option.
Remote-ID
Enable This field displays whether the Remote ID sub-option is added to client DHCP requests.
Field This field displays the information that is included in the Remote ID sub-option.
Select an entry’s check box to select a specific entry. Otherwise, select the check box in the
table heading row to select all entries.
Delete Check the entry(ies) that you want to remove and then click the
De le te
button.
Cancel Click
C a nc e l
to clear the selected check box(es).
Table 157 IP Application > DHCP > DHCPv4 > Option 82 Profile (continued)
LABEL DESC RIPTIO N