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Chapter 7 DHCP Configuration
F
IGURE
22 DHCP S
NOOPING
P
REVENTING
S
TATIC
IP
Configuration on the switch:
ZXR10(config)#ip dhcp snooping enable
ZXR10(config)#ip dhcp snooping vlan 100
ZXR10(config)#ip arp inspection vlan 100
DHCP Maintenance and
Diagnosis
To configure DHCP maintenance and diagnosis, perform the fol-
lowing steps.
Step Command
Function
1
ZXR10#
show ip dhcp server user slot
<
slot-id
>
This displays list of current
online users on DHCP server
process module
2
ZXR10#
show ip local pool
[<
pool-name
>]
This displays configuration
information of local address
pools
3
ZXR10#
show ip interface
This displays configuration
information of DHCP
server/relay related to an
interface
4
ZXR10#
show ip dhcp snooping configure
This displays DHPC snooping
global configuration
information
5
ZXR10#
show ip dhcp snooping vlan
[<
vlan-id
>]
This displays configuration
information of VLAN that
enables DHCP snooping
function
6
ZXR10#
show ip dhcp snooping trust
This displays configuration
information of DHCP snooping
trust interface
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