Owner's Manual

Contents 37
34 Configuring L2 and L3 Relay
Features . . . . . . . . . . . . . . . . . . . . . . . . 931
L2 and L3 Relay Overview . . . . . . . . . . . . . . . . 931
What Is L3 DHCP Relay?
. . . . . . . . . . . . . . 931
What Is L2 DHCP Relay? . . . . . . . . . . . . . . 932
What Is the IP Helper Feature?. . . . . . . . . . . 933
Default L2/L3 Relay Values . . . . . . . . . . . . . . . 937
Configuring L2 and L3 Relay Features (Web) . . . . . . 938
DHCP Relay Global Configuration
. . . . . . . . . 938
DHCP Relay Interface Configuration . . . . . . . . 939
DHCP Relay Interface Statistics . . . . . . . . . . 941
DHCP Relay VLAN Configuration
. . . . . . . . . . 942
DHCP Relay Agent Configuration. . . . . . . . . . 943
IP Helper Global Configuration . . . . . . . . . . . 944
IP Helper Interface Configuration . . . . . . . . . 946
IP Helper Statistics . . . . . . . . . . . . . . . . . 948
Configuring L2 and L3 Relay Features (CLI)
. . . . . . . 949
Configuring L2 DHCP Relay
. . . . . . . . . . . . . 949
Configuring L3 Relay (IP Helper) Settings
. . . . . 951
Relay Agent Configuration Example
. . . . . . . . . . 953
35 Configuring OSPF and OSPFv3 . . . . . . . 955
OSPF Overview . . . . . . . . . . . . . . . . . . . . . 956
What Are OSPF Areas and Other OSPF
Topology Features?
. . . . . . . . . . . . . . . . . 956
What Are OSPF Routers and LSAs?
. . . . . . . . 957
How Are Routes Selected?
. . . . . . . . . . . . . 957
How Are OSPF and OSPFv3 Different?
. . . . . . . 957