Table of Contents
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show dhcpsnooping binding ........................................................................................................... 17-12
show dhcpsnooping statistics ......................................................................................................... 17-13
clear dhcpsnooping binding ............................................................................................................17-14
clear dhcpsnooping statistics.......................................................................................................... 17-14
clear dhcpsnooping database......................................................................................................... 17-14
clear dhcpsnooping limit ................................................................................................................. 17-15
Dynamic ARP Inspection Overview ............................................................................................................ 17-16
Functional Description .......................................................................................................................... 17-16
Basic Configuration .............................................................................................................................. 17-18
Example Configuration ......................................................................................................................... 17-18
Dynamic ARP Inspection Commands ........................................................................................................ 17-20
set arpinspection vlan ..................................................................................................................... 17-20
set arpinspection trust .................................................................................................................... 17-21
set arpinspection validate ............................................................................................................... 17-22
set arpinspection limit ..................................................................................................................... 17-22
set arpinspection filter..................................................................................................................... 17-23
show arpinspection access-list ....................................................................................................... 17-24
show arpinspection ports................................................................................................................ 17-25
show arpinspection vlan ................................................................................................................. 17-25
show arpinspection statistics .......................................................................................................... 17-26
clear arpinspection validate ............................................................................................................17-27
clear arpinspection vlan .................................................................................................................. 17-27
clear arpinspection filter.................................................................................................................. 17-29
clear arpinspection limit .................................................................................................................. 17-30
clear arpinspection statistics........................................................................................................... 17-30
Pre-Routing Configuration Tasks ................................................................................................................. 18-1
Example ................................................................................................................................................. 18-2
Enabling Router Configuration Modes .......................................................................................................... 18-2
Chapter 19: IP Configuration
Configuring Routing Interface Settings ......................................................................................................... 19-1
Purpose .................................................................................................................................................. 19-1
Commands ............................................................................................................................................. 19-1
show interface .................................................................................................................................. 19-2
interface............................................................................................................................................ 19-2
show ip interface............................................................................................................................... 19-4
ip address ......................................................................................................................................... 19-5
show running-config ......................................................................................................................... 19-6
no shutdown ..................................................................................................................................... 19-6
no ip routing...................................................................................................................................... 19-7
Reviewing and Configuring the ARP Table .................................................................................................. 19-8
Purpose .................................................................................................................................................. 19-8
Commands ............................................................................................................................................. 19-8
show ip arp ....................................................................................................................................... 19-8
arp .................................................................................................................................................... 19-9
ip proxy-arp..................................................................................................................................... 19-10
arp timeout...................................................................................................................................... 19-11
clear arp-cache ............................................................................................................................... 19-11
Configuring Broadcast Settings .................................................................................................................. 19-12
Purpose ................................................................................................................................................ 19-12
Commands ........................................................................................................................................... 19-12
ip directed-broadcast ...................................................................................................................... 19-12
ip forward-protocol.......................................................................................................................... 19-13
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