Dhcpv4 Option 82 Profile - ZyXEL Communications MES3500 series User Manual

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:
Table 127 Relay Agent Information
FIELD LABELS
Slot ID
Port ID
VLAN ID
Information

37.4.2 DHCPv4 Option 82 Profile

Use this screen to create DHCPv4 option 82 profiles. Click IP Application > DHCP > DHCPv4 in
the navigation panel and click the Option 82 Profile link to display the screen as shown.
Figure 174 IP Application > DHCP > DHCPv4 > Option 82 Profile
Chapter 37 DHCP
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 64 bytes) This optional, read-only field is set according to system name set in Basic
Settings > General Setup.
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