ZyXEL Communications XGS4600 Series, Руководство пользователя

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Chapter 54 DHCP
XGS4600 Series User’s Guide
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54.9 DHCP Server Guard
Use this screen to specify whether ports are trusted or untrusted ports for DHCP packets. Click IP
Application > DHCP > DHCP Server Guard in the navigation panel to display the screen as shown.
Figure 402 IP Application > DHCP > DHCP Server Guard (Standalone Mode)
Remote ID Enter a string of up to 64 printable characters to be carried in the remote-ID option. The Switch
adds the remote-ID option in the DHCPv6 requests from the clients in the specified VLAN before
the Switch forwards them to a DHCPv6 server.
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
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 reset the fields to their last saved values.
Clear Click Clear to reset the fields to the factory defaults.
VID This field displays the VLAN ID number. Click the VLAN ID to change the settings.
Helper Address This field displays the IPv6 address of the remote DHCPv6 server for this VLAN.
Interface ID This field displays whether the interface-ID option is added to DHCPv6 requests from clients in this
VLAN.
Remote ID This field displays whether the remote-ID option is added to DHCPv6 requests from clients in this
VLAN.
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 entries that you want to remove and then click the Delete button.
Cancel Click Cancel to clear the selected check boxes.
Table 240 IP Application > DHCP > DHCPv6 Relay (continued)
LABEL DESCRIPTION