Contents 35
31 Configuring Routing Interfaces. . . . . . 1021
Routing Interface Overview. . . . . . . . . . . . . . 1021
What Are VLAN Routing Interfaces? . . . . . . . 1021
What Are Loopback Interfaces? . . . . . . . . . 1022
What Are Tunnel Interfaces?. . . . . . . . . . . 1023
Why Are Routing Interfaces Needed? . . . . . . 1024
Default Routing Interface Values . . . . . . . . . . . 1026
Configuring Routing Interfaces (Web). . . . . . . . . 1027
IP Interface Configuration . . . . . . . . . . . . 1027
DHCP Lease Parameters. . . . . . . . . . . . . 1028
VLAN Routing Summary . . . . . . . . . . . . . 1028
Tunnel Configuration . . . . . . . . . . . . . . . 1029
Tunnels Summary. . . . . . . . . . . . . . . . . 1030
Loopbacks Configuration . . . . . . . . . . . . . 1031
Loopbacks Summary . . . . . . . . . . . . . . . 1032
Configuring Routing Interfaces (CLI) . . . . . . . . . 1033
Configuring VLAN Routing Interfaces (IPv4). . . 1033
Configuring Loopback Interfaces. . . . . . . . . 1035
Configuring Tunnels . . . . . . . . . . . . . . . 1036
32 Configuring DHCP Server and Relay Settings . . . . . . . . . . . . . . . . . . . . . . . . 1037
DHCP Overview . . . . . . . . . . . . . . . . . . . . 1037
How Does DHCP Work? . . . . . . . . . . . . . 1038
What are DHCP Options?. . . . . . . . . . . . . 1038
How is DHCP Option 82 Used? . . . . . . . . . . 1039
What Additional DHCP Features Does the
Switch Support? . . . . . . . . . . . . . . . . . 1041