Administrator Guide

Contents 31
26 Connectivity Fault Management . . . . . . 923
Dot1ag Overview. . . . . . . . . . . . . . . . . . . . . 923
How Does Dot1ag Work Across a Carrier
Network?
. . . . . . . . . . . . . . . . . . . . . . 924
What Entities Make Up a Maintenance
Domain?. . . . . . . . . . . . . . . . . . . . . . . 925
What is the Administrator’s Role?
. . . . . . . . . 927
Default Dot1ag Values
. . . . . . . . . . . . . . . . . . 928
Configuring Dot1ag (Web) . . . . . . . . . . . . . . . . 929
Dot1ag Global Configuration
. . . . . . . . . . . . 929
Dot1ag MD Configuration. . . . . . . . . . . . . . 929
Dot1ag MA Configuration
. . . . . . . . . . . . . . 930
Dot1ag MEP Configuration
. . . . . . . . . . . . . 931
Dot1ag MIP Configuration . . . . . . . . . . . . . 932
Dot1ag RMEP Summary
. . . . . . . . . . . . . . 933
Dot1ag L2 Ping
. . . . . . . . . . . . . . . . . . . 934
Dot1ag L2 Traceroute. . . . . . . . . . . . . . . . 934
Dot1ag L2 Traceroute Cache
. . . . . . . . . . . . 935
Dot1ag Statistics
. . . . . . . . . . . . . . . . . . 936
Configuring Dot1ag (CLI)
. . . . . . . . . . . . . . . . . 937
Configuring Dot1ag Global Settings and
Creating Domains
. . . . . . . . . . . . . . . . . . 937
Configuring MEP Information. . . . . . . . . . . . 938
Dot1ag Ping and Traceroute
. . . . . . . . . . . . 939
Dot1ag Configuration Example
. . . . . . . . . . . . . 940
27 Snooping and Inspecting Traffic. . . . . . 943
Traffic Snooping and Inspection Overview . . . . . . . 943
What Is DHCP Snooping?
. . . . . . . . . . . . . . 944