Estoy usando Windows 7. Cuando escribo "route print" en el símbolo del sistema, obtengo una tabla de ruta IPv4 con varios valores "en enlace" en la columna Gateway. Por ejemplo, como este:
IPv4 Route Table
===========================================================================
Active Routes:
Network Destination Netmask Gateway Interface Metric
0.0.0.0 0.0.0.0 192.168.1.1 192.168.1.5 25
127.0.0.0 255.0.0.0 On-link 127.0.0.1 306
127.0.0.1 255.255.255.255 On-link 127.0.0.1 306
127.255.255.255 255.255.255.255 On-link 127.0.0.1 306
137.132.0.0 255.255.0.0 172.18.180.1 172.18.180.10 31
137.132.80.16 255.255.255.255 192.168.1.1 192.168.1.5 26
169.254.0.0 255.255.0.0 On-link 172.18.180.10 306
169.254.255.255 255.255.255.255 On-link 172.18.180.10 286
172.18.0.0 255.254.0.0 172.18.180.1 172.18.180.10 31
172.18.180.0 255.255.255.0 On-link 172.18.180.10 286
172.18.180.10 255.255.255.255 On-link 172.18.180.10 286
172.18.180.255 255.255.255.255 On-link 172.18.180.10 286
172.25.64.0 255.255.240.0 172.18.180.1 172.18.180.10 31
192.168.1.0 255.255.255.0 On-link 192.168.1.5 281
192.168.1.5 255.255.255.255 On-link 192.168.1.5 281
192.168.1.255 255.255.255.255 On-link 192.168.1.5 281
224.0.0.0 240.0.0.0 On-link 127.0.0.1 306
224.0.0.0 240.0.0.0 On-link 172.18.180.10 286
224.0.0.0 240.0.0.0 On-link 192.168.1.5 281
255.254.0.0 255.254.0.0 172.18.180.1 172.18.180.10 31
255.255.0.0 255.255.0.0 172.18.180.1 172.18.180.10 31
255.255.240.0 255.255.240.0 172.18.180.1 172.18.180.10 31
255.255.254.0 255.255.254.0 172.18.180.1 172.18.180.10 31
255.255.255.255 255.255.255.255 On-link 127.0.0.1 306
255.255.255.255 255.255.255.255 On-link 172.18.180.10 286
255.255.255.255 255.255.255.255 On-link 192.168.1.5 281
255.255.255.255 255.255.255.255 192.168.1.1 192.168.1.5 26
===========================================================================
Entonces, ¿qué significa "On-link"?