A DHCP lease is the assignment of an IP address by a DHCP Server to a network client.
To see DHCP lease information for the Firebox:
- Connect to Fireware Web UI.
- Select System Status > DHCP Leases.
The DHCP Leases page opens with information about the DHCP client leases.
DHCPv4 Lease Summary
In Fireware v12.7 or higher, the DHCP Leases page includes a DHCPv4 Lease Summary list. This list includes:
Subnet
The range of IP addresses specified in the DHCP server settings for Firebox interfaces.
Count
The total number of DHCP leases included in each IPv4 DHCP range configured on the Firebox.
Leased
How many DHCP leases are in use.
DHCPv4 List
The DHCPv4 list includes information about leases for clients with IPv4 addresses:
Interface
The Firebox interface that the client is connected to.
IP Address
The IP address for the lease.
Host
The host name. If there is not an available host name, this item is empty.
MAC Address
The MAC address associated with the lease.
Start Time
The time that the client requested the lease.
End Time
The time that the lease expires.
Hardware Type
The type of hardware.
DHCPv6 List
The DHCPv6 list includes information about leases for clients with IPv6 addresses:
Interface
The Firebox interface that the client is connected to.
DUID
The DUID (DHCP Unique Identifier) used by the client to get an IP address from the DHCPv6 server.
IAID
The IAID (Identity Association Identifier) assigned to the client.
IP Address
The IP address for the lease.
Start Time
The time that the client requested the lease.
End Time
The time that the lease expires.
For more information about the System Status pages, see Monitor your Firebox with Fireware Web UI.