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Monitoring DHCP Service Statistics

A J-series or SRX-series device can operate as a Dynamic Host Configuration Protocol (DHCP) server. To view information about global scope and DHCP service statistics, select Monitor>DHCP>Statistics in the J-Web interface or enter the following CLI commands:

show system services dhcp global
show system services dhcp statistics

Table 150 summarizes the key output fields in the DHCP service statistics displays.

Table 150: Summary of Key Global Scope and DHCP Service Statistics Output Fields

Field	Values	Additional Information
Global Information Summary
BOOTP Lease Length	Length of the BOOTP lease.
DHCP Options
Server Identifier	IP address of the name server.
Name Server	IP address of the name server.
Router	IP address of the name router.
Domain Name	Name of the domain.
DHCP Lease Time
Default Lease Time	Lease time assigned to clients that do not request a specific lease time.
Minimum Lease Time	Minimum time a client can retain an IP address lease on the server.
Maximum Lease Time	Maximum time a client can retain an IP address lease on the server.
Total Dropped packets	Total number of packets dropped and the number of packets dropped due to a particular condition.
Messages Received	Number of BOOTREQUEST, DHCPDECLINE, DHCPINFORM, DHCPRELEASE, and DHCPREQUEST messages sent from DHCP clients and received by the DHCP server.
Messages Sent	Number of BOOTREPLY, DHCPOFFER, DHCPACK, and DHCPNAK messages sent from the DHCP server to DHCP clients.

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