DHCP
Option 82
Cisco Small Business RV320/RV325 Administration Guide 49
4
•DHCP Available—Number of dynamic IP addresses available.
•Total—Total number of dynamic IP addresses managed by the DHCP
server.
The Client Table shows the DHCP client information:
•Client Host Name—Name assigned to a client host.
•IP Address—Dynamic IP address assigned to a client.
•MAC Address (IPv4 only)—MAC address of a client.
•Client Lease Time—Amount of time that a network user can remain
connected to the router with a dynamic IP address.
To release an IPv4 client IP address, select the Client Host Name and click Delete.
Click Refresh to renew the data.
Option 82
Option 82 (DHCP relay agent information option) enables a DHCP relay agent to
include information about itself when forwarding client-originated DHCP packets
to a DHCP server. The DHCP server can use this information to implement IP
addressing or other parameter-assignment policies.
The DHCP Option 82 Configurable Circuit ID enhances validation security by
allowing you to determine what information is provided in the Option 82 Circuit ID
description.
To open this page, select DHCP > Option 82 in the navigation tree.
To add a Circuit ID, click Add. A new row is added to the table and the circuit IDs
are listed in the Circuit ID drop-down menu in the DHCP Setup window.
To e d i t a Circuit ID, select the row and click Edit. The row is opened for
modification.