User Guide

Table Of Contents
32 Contents
ERPS Subrings . . . . . . . . . . . . . . . . . . . . . 1006
Without R-APS Virtual Channel
. . . . . . . . . . 1007
With R-APS Virtual Channel
. . . . . . . . . . . 1007
Topology Change Notification
. . . . . . . . . . . . . 1007
Protection Switching Triggers
. . . . . . . . . . . . . 1007
Ring Failure Detection
. . . . . . . . . . . . . . . . . 1008
27 Snooping and Inspecting Traffic . . . . . 1009
Traffic Snooping and Inspection Overview . . . . . . 1009
What Is DHCP Snooping?
. . . . . . . . . . . . . 1010
How Is the DHCP Snooping Bindings Database
Populated? . . . . . . . . . . . . . . . . . . . . 1011
What Is IP Source Guard?
. . . . . . . . . . . . 1014
What is Dynamic ARP Inspection?
. . . . . . . . 1015
Why Is Traffic Snooping and Inspection Necessary?
1016
Default Traffic Snooping and Inspection Values
. . . 1016
Configuring Traffic Snooping and Inspection (Web)
. 1018
DHCP Snooping Configuration
. . . . . . . . . . 1018
DHCP Snooping Interface Configuration
. . . . . 1019
DHCP Snooping VLAN Configuration
. . . . . . . 1021
DHCP Snooping Persistent Configuration
. . . . 1022
DHCP Snooping Static Bindings Configuration
. . 1023
DHCP Snooping Dynamic Bindings Summary
. . 1024
DHCP Snooping Statistics
. . . . . . . . . . . . 1025
IPSG Interface Configuration
. . . . . . . . . . . 1026
IPSG Binding Configuration
. . . . . . . . . . . . 1026
IPSG Binding Summary
. . . . . . . . . . . . . . 1027
DAI Global Configuration
. . . . . . . . . . . . . 1028
DAI Interface Configuration
. . . . . . . . . . . 1029
DAI VLAN Configuration
. . . . . . . . . . . . . 1031