Users Guide

38 Contents
Configuring Routing Interfaces (CLI) . . . . . . . . . 1225
Configuring VLAN Routing Interfaces (IPv4)
. . . 1225
Configuring Loopback Interfaces
. . . . . . . . . 1227
Configuring Tunnels
. . . . . . . . . . . . . . . . 1228
34 Layer-2 and Layer-3 Relay Features . . 1229
L2 and L3 Relay Overview . . . . . . . . . . . . . . . 1229
What Is L2 DHCP Relay?
. . . . . . . . . . . . . 1229
What Is L3 DHCP Relay?
. . . . . . . . . . . . . 1233
What Is the IP Helper Feature?
. . . . . . . . . . 1234
Default L2/L3 Relay Values
. . . . . . . . . . . . . . . 1238
Configuring L2 and L3 Relay Features (Web)
. . . . . 1239
L2 DHCP Relay Global Configuration
. . . . . . . 1239
L2 DHCP Relay Interface Configuration
. . . . . 1240
L2 DHCP Relay Interface Statistics
. . . . . . . . 1242
L2 DHCP Relay VLAN Configuration
. . . . . . . 1243
DHCP Relay Agent Configuration
. . . . . . . . . 1243
IP Helper (L3 DHCP Relay) Global
Configuration . . . . . . . . . . . . . . . . . . . 1245
IP Helper (L3 DHCP Relay) Interface
Configuration
. . . . . . . . . . . . . . . . . . . 1247
IP Helper Statistics
. . . . . . . . . . . . . . . . 1249
Configuring L2 and L3 Relay Features (CLI)
. . . . . . 1250
Configuring L2 DHCP Relay
. . . . . . . . . . . . 1250
Configuring L3 Relay (IP Helper) Settings
. . . . 1252
Relay Agent Configuration Example
. . . . . . . . . . 1254
35 OSPF and OSPFv3. . . . . . . . . . . . . . . . . 1257
OSPF Overview. . . . . . . . . . . . . . . . . . . . . 1258