Dell(conf-if-tu-3)#tunnel destination 8::9Dell(conf-if-tu-3)#tunnel mode ipv6Dell(conf-if-tu-3)#ip address 3.1.1.1/24Dell(conf-if-tu-3)#ipv6 address 3::1/64Dell(conf-if-tu-3)#no shutdownDell(conf-if-tu-3)#show config!interface Tunnel 3ip address 3.1.1.1/24ipv6 address 3::1/64tunnel destination 8::9tunnel source 5::5tunnel mode ipv6no shutdownConfiguring Tunnel Keepalive SettingsYou can configure a tunnel keepalive target, keepalive interval, and attempts.NOTE: By default the tunnel keepalive is disabled.The following sample configuration shows how to use tunnel keepalive command.Dell(conf-if-te-1/12)#show config!interface TenGigabitEthernet 1/12ip address 40.1.1.1/24ipv6 address 500:10::1/64no shutdownDell(conf-if-te-1/12)#Dell(conf)#interface tunnel 1Dell(conf-if-tu-1)#ipv6 address 1abd::1/64Dell(conf-if-tu-1)#ip address 1.1.1.1/24Dell(conf-if-tu-1)#tunnel source 40.1.1.1Dell(conf-if-tu-1)#tunnel destination 40.1.1.2Dell(conf-if-tu-1)#tunnel mode ipipDell(conf-if-tu-1)#no shutdownDell(conf-if-tu-1)#tunnel keepalive 1.1.1.2 attempts 4 interval 6Dell(conf-if-tu-1)#show config!interface Tunnel 1ip address 1.1.1.1/24ipv6 address 1abd::1/64tunnel destination 40.1.1.2tunnel source 40.1.1.1tunnel keepalive 1.1.1.2 attempts 4 interval 6tunnel mode ipipno shutdownConfiguring a Tunnel InterfaceYou can configure the tunnel interface using the ip unnumbered and ipv6 unnumbered commands.To configure the tunnel interface to operate without a unique explicit IP or IPv6 address, select the interface from which the tunnelwill borrow its address.The following sample configuration shows how to use the tunnel interface configuration commands.Dell(conf-if-te-1/1)#show config!interface TenGigabitEthernet 1/1ip address 20.1.1.1/24ipv6 address 20:1::1/64no shutdownDell(conf)#interface tunnel 1Dell(conf-if-tu-1)#ip unnumbered tengigabitethernet 1/1734 Tunneling
