ZyXEL Communications Plumbing Product metrogigabit switch User Manual

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 Chapter 37 DHCP
MGS3700-12C User’s Guide
351
The DHCP Relay Agent Information feature adds an Agent Information field to 
the Option 82 field. The Option 82 field is in the DHCP headers of client DHCP 
request frames that the Switch relays to a DHCP server.
Relay Agent Information can include the System Name of the Switch if you 
select this option. You can change the System Name in Basic Settings > 
General Setup
The following describes the DHCP relay information that the Switch sends to the 
DHCP server:
37.3.2  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. 
Figure 178   IP Application > DHCP > Global 
Table 119   Relay Agent Information
FIELD LABELS
DESCRIPTION
Slot ID
(1 byte) This value is always 0 for stand-alone 
switches.
Port ID
(1 byte) This is the port that the DHCP client is 
connected to.
VLAN ID
(2 bytes) This is the VLAN that the port belongs to.
Information
(up to 64 bytes) This optional, read-only field is set 
according to system name set in Basic Settings > 
General Setup.