xxi
set dhcp pool lease.........................................................................................................................22-22
clear dhcp pool lease......................................................................................................................22-22
set dhcp pool default-router............................................................................................................22-23
clear dhcp pool default-router.........................................................................................................22-23
set dhcp pool dns-server ................................................................................................................22-24
clear dhcp pool dns-server .............................................................................................................22-24
set dhcp pool domain-name ...........................................................................................................22-25
clear dhcp pool domain-name ........................................................................................................22-25
set dhcp pool netbios-name-server ................................................................................................22-26
clear dhcp pool netbios-name-server .............................................................................................22-26
set dhcp pool netbios-node-type ....................................................................................................22-27
clear dhcp pool netbios-node-type .................................................................................................22-28
set dhcp pool option .......................................................................................................................22-28
clear dhcp pool option ....................................................................................................................22-29
show dhcp pool configuration.........................................................................................................22-29
Chapter 23: DHCP Snooping and Dynamic ARP Inspection
DHCP Snooping Overview ........................................................................................................................... 23-1
DHCP Message Processing ................................................................................................................... 23-1
Building and Maintaining the Database .................................................................................................. 23-2
Rate Limiting .......................................................................................................................................... 23-3
Basic Configuration ................................................................................................................................ 23-3
DHCP Snooping Commands ........................................................................................................................ 23-4
set dhcpsnooping .............................................................................................................................23-4
set dhcpsnooping vlan......................................................................................................................23-5
set dhcpsnooping trust .....................................................................................................................23-5
set dhcpsnooping binding.................................................................................................................23-6
set dhcpsnooping verify....................................................................................................................23-7
set dhcpsnooping log-invalid ............................................................................................................23-7
set dhcpsnooping limit......................................................................................................................23-8
show dhcpsnooping..........................................................................................................................23-9
show dhcpsnooping port.................................................................................................................23-10
show dhcpsnooping binding ...........................................................................................................23-11
show dhcpsnooping statistics.........................................................................................................23-12
clear dhcpsnooping binding............................................................................................................23-12
clear dhcpsnooping statistics..........................................................................................................23-13
clear dhcpsnooping limit .................................................................................................................23-13
Dynamic ARP Inspection Overview ............................................................................................................ 23-15
Functional Description .......................................................................................................................... 23-15
Basic Configuration .............................................................................................................................. 23-17
Example Configuration ......................................................................................................................... 23-17
Dynamic ARP Inspection Commands ........................................................................................................ 23-18
set arpinspection vlan.....................................................................................................................23-19
set arpinspection trust ....................................................................................................................23-20
set arpinspection validate...............................................................................................................23-20
set arpinspection limit.....................................................................................................................23-21
set arpinspection filter.....................................................................................................................23-22
show arpinspection access-list.......................................................................................................23-23
show arpinspection ports................................................................................................................23-24
show arpinspection vlan .................................................................................................................23-24
show arpinspection statistics..........................................................................................................23-25
clear arpinspection validate ............................................................................................................23-25
clear arpinspection vlan..................................................................................................................23-26
clear arpinspection filter..................................................................................................................23-27
clear arpinspection limit..................................................................................................................23-29