Configuring Dhcp Global Relay - ZyXEL Communications VES1724-56 User Manual

Chapter 35 DHCP
The 1 in the first field identifies this as an Agent Circuit ID sub-option and 2 identifies this as an
Agent Remote ID sub-option. The next field specifies the length of the field.
The following describes the default DHCP relay information that the Switch sends to the DHCP
server when you enable DHCP Option 82:
Table 147 DHCP Relay Agent Information
FIELD LABELS
Slot ID
Port ID
VLAN ID
Information (Circuit ID)
You can configure the Switch to also append the remote ID to the option 82 field of DHCP requests.

35.4.4 Configuring DHCP Global Relay

Configure global DHCP relay in the DHCP Relay screen. Click IP Application > DHCP in the
navigation panel and click the Global link to display the screen as shown.
Note: The port to which the DHCP server connects and the port(s) from which the DHCP
requests come should be in the same VLAN.
You can additionally configure whether to add/replace DHCP relay option 82 tags on a per-port
basis in the Basic Setting > Port Setup screen (see
314
DESCRIPTION
(1 byte) This value is always 0 for stand-alone switches.
(1 byte) This is the port that the DHCP client is connected to.
(2 bytes) This is the VLAN that the port belongs to.
(up to 15 bytes) This is the information you want the Switch to add in the DHCP
requests that it relays to a DHCP server.
Section 8.9 on page 82).
VES1724-56 User's Guide