Administrator Guide

Contents 33
Dot1ag L2 Ping . . . . . . . . . . . . . . . . . . . 992
Dot1ag L2 Traceroute
. . . . . . . . . . . . . . . . 992
Dot1ag L2 Traceroute Cache
. . . . . . . . . . . . 993
Dot1ag Statistics
. . . . . . . . . . . . . . . . . . 993
Configuring Dot1ag (CLI)
. . . . . . . . . . . . . . . . . 995
Configuring Dot1ag Global Settings and Creating
Domains
. . . . . . . . . . . . . . . . . . . . . . . 995
Configuring MEP Information
. . . . . . . . . . . . 996
Dot1ag Ping and Traceroute
. . . . . . . . . . . . 997
Dot1ag Configuration Example
. . . . . . . . . . . . . 998
27 Snooping and Inspecting Traffic. . . . . 1001
Traffic Snooping and Inspection Overview . . . . . . 1001
What Is DHCP Snooping?
. . . . . . . . . . . . . 1002
How Is the DHCP Snooping Bindings Database
Populated? . . . . . . . . . . . . . . . . . . . . 1003
What Is IP Source Guard?
. . . . . . . . . . . . 1006
What is Dynamic ARP Inspection?
. . . . . . . . 1007
Why Is Traffic Snooping and Inspection
Necessary?
. . . . . . . . . . . . . . . . . . . . 1008
Default Traffic Snooping and Inspection Values
. . . 1008
Configuring Traffic Snooping and Inspection
(Web)
. . . . . . . . . . . . . . . . . . . . . . . . . . 1010
DHCP Snooping Configuration
. . . . . . . . . . 1010
DHCP Snooping Interface Configuration
. . . . . 1011
DHCP Snooping VLAN Configuration
. . . . . . . 1013
DHCP Snooping Persistent Configuration
. . . . 1014
DHCP Snooping Static Bindings
Configuration
. . . . . . . . . . . . . . . . . . . 1015