Administrator Guide

show ip dhcp server statistics
Display statistical information about a DHCP server.
C9000 Series
Syntax
show ip dhcp server statistics
Defaults none
Command Modes EXEC Privilege
Command
History
Version Description
9.9(0.0) Introduced on the C9010.
9.2(1.0) Introduced on the Z9500.
8.3.19.0 Introduced on the S4820T.
8.3.11.1 Introduced on the Z9000.
8.3.7.0 Introduced on the S4810.
8.2.1.0 Introduced on the C-Series and S-Series.
Example
Dell# show ip dhcp server statistics
Address pools 1
Database agents 0
Automatic bindings 10
Manual bindings 0
Expired bindings 1
Malformed messages 0
Message Received
BOOTREQUEST 0
DHCPDISCOVER 10
DHCPREQUEST 16
DHCPDECLINE 0
DHCPRELEASE 8
DHCPINFORM 0
Message Sent
BOOTREPLY 0
DHCPOFFER 10
DHCPACK 16
DHCPNAK 0
Configure Secure DHCP and DHCP Relay
DHCP, as defined by RFC 2131, provides no authentication or security mechanisms. Secure DHCP is a suite of features that
protects networks that use dynamic address allocation from spoofing and attacks, including using the switch as a DHCP relay
agent.
arp inspection
Enable dynamic arp inspection (DAI) on a VLAN.
C9000 Series
Syntax
arp inspection
636 Dynamic Host Configuration Protocol (DHCP)