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CHAPTER 9: DHCP
Rx and Tx Release: The number of release (option 53 with value 7) packets received and transmitted.
Rx and Tx Inform: The number of inform (option 53 with value 8) packets received and transmitted.
Rx and Tx Lease Query: The number of lease query (option 53 with value 10) packets received and transmitted.
Rx and Tx Lease Unassigned: The number of lease unassigned (option 53 with value 11) packets received and transmitted.
Rx and Tx Lease Unknown: The number of lease unknown (option 53 with value 12) packets received and transmitted. Rx and Tx
Lease Active
Rx and Tx Lease Active: The number of lease active (option 53 with value 13) packets received and transmitted.
Rx Discarded checksum error The number of discarded packet that have IP/UDP checksum errors.
Rx Discarded from Untrusted: The number of discarded packets that are coming from untrusted ports.
Buttons
Auto-refresh: Check this box to refresh the page automatically. Automatic refresh occurs every 3 seconds.
Refresh: Click to refresh the page immediately.
Port 1: Select the port for which you want to display the DHCP Detailed Statistics.
9.2 RELAY
9.2.1 CONFIGURATION
A DHCP relay agent is used to forward and to transfer DHCP messages between the clients and the server when they are not in the
same subnet domain. It stores the incoming interface IP address in the GIADDR field of the DHCP packet. The DHCP server can
use the value of GIADDR field to determine the assigned subnet. For this condition, make sure the switch configuration of VLAN
interface IP address and PVID(Port VLAN ID) is set correctly.
WEB INTERFACE
To configure DHCP Relay in the web interface:
1. Click DHCP, Relay and Configuration.
2. Specify the Relay Mode, Relay server, Relay Information Mode, Relay Information Policy.
3. Click Apply.