How to find out which network device is used to reach a given server

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I have an overly complicated developer network setup with Ethernet, WLAN and VPN.

I can connect to certain server but I need to know which actual network device / router was used to make the connection. Depending on which network is used certain ports might be blocked and I have a suspicion the connection isn't going the way it should.

I use macOS but I'm fine terminal commands and have most of the gnu tools installed via MacPorts.

asked Nov 19 at 10:24

Martin

232210

On Windows this is done with tracert <destination name or IP>. You'll be shown the address of every router along the route. Not sure what the equivalent is on MacOS.
– Twisty Impersonator
Nov 19 at 10:59

Does macOS by chance have route -4 get <ip> / route -6 get <ip> (as in FreeBSD)?
– grawity
Nov 19 at 11:30

add a comment |

up vote
1
down vote

favorite

I have an overly complicated developer network setup with Ethernet, WLAN and VPN.

I use macOS but I'm fine terminal commands and have most of the gnu tools installed via MacPorts.

asked Nov 19 at 10:24

Martin

232210

On Windows this is done with tracert <destination name or IP>. You'll be shown the address of every router along the route. Not sure what the equivalent is on MacOS.
– Twisty Impersonator
Nov 19 at 10:59

Does macOS by chance have route -4 get <ip> / route -6 get <ip> (as in FreeBSD)?
– grawity
Nov 19 at 11:30

add a comment |

up vote
1
down vote

favorite

I have an overly complicated developer network setup with Ethernet, WLAN and VPN.

I use macOS but I'm fine terminal commands and have most of the gnu tools installed via MacPorts.

asked Nov 19 at 10:24

Martin

232210

I have an overly complicated developer network setup with Ethernet, WLAN and VPN.

I use macOS but I'm fine terminal commands and have most of the gnu tools installed via MacPorts.

networking macos vpn routing traceroute

asked Nov 19 at 10:24

Martin

232210

asked Nov 19 at 10:24

Martin

232210

asked Nov 19 at 10:24

Martin

232210

asked Nov 19 at 10:24

Martin

232210

asked Nov 19 at 10:24

Martin

232210

On Windows this is done with tracert <destination name or IP>. You'll be shown the address of every router along the route. Not sure what the equivalent is on MacOS.
– Twisty Impersonator
Nov 19 at 10:59

Does macOS by chance have route -4 get <ip> / route -6 get <ip> (as in FreeBSD)?
– grawity
Nov 19 at 11:30

add a comment |

On Windows this is done with tracert <destination name or IP>. You'll be shown the address of every router along the route. Not sure what the equivalent is on MacOS.
– Twisty Impersonator
Nov 19 at 10:59

Does macOS by chance have route -4 get <ip> / route -6 get <ip> (as in FreeBSD)?
– grawity
Nov 19 at 11:30

On Windows this is done with tracert <destination name or IP>. You'll be shown the address of every router along the route. Not sure what the equivalent is on MacOS.
– Twisty Impersonator
Nov 19 at 10:59

Does macOS by chance have route -4 get <ip> / route -6 get <ip> (as in FreeBSD)?
– grawity
Nov 19 at 11:30

add a comment |

1 Answer
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3
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You can use route get 8.8.8.8 to find out which interface and gateway on the local computer is used according to the local routing rules. The -4 and -6 options as on BSD don't work, but the -n option for numerical output does work.

You can also use traceroute 8.8.8.8 to find out the intermediate routers on the path (with the usual caveats when doing a traceroute).

Edit

8.8.8.8 stands of course for the IP address you want to reach, it needn't be literally 8.8.8.8.

edited Nov 19 at 13:05

answered Nov 19 at 11:55

dirkt

8,59331121

1

Or in the case of an internal routing issue, substitute 8.8.8.8 with the IP of your internal target host.
– Twisty Impersonator
Nov 19 at 12:51

Thanks. route get gave me the output i needed and was able to fix the problem,
– Martin
Nov 19 at 16:16

alternative to traceroute => mtr
– Hannu
Nov 19 at 17:12

add a comment |

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1 Answer
1

active

oldest

votes

1 Answer
1

active

oldest

votes

up vote
3
down vote

accepted

You can also use traceroute 8.8.8.8 to find out the intermediate routers on the path (with the usual caveats when doing a traceroute).

Edit

8.8.8.8 stands of course for the IP address you want to reach, it needn't be literally 8.8.8.8.

edited Nov 19 at 13:05

answered Nov 19 at 11:55

dirkt

8,59331121

1

Or in the case of an internal routing issue, substitute 8.8.8.8 with the IP of your internal target host.
– Twisty Impersonator
Nov 19 at 12:51

Thanks. route get gave me the output i needed and was able to fix the problem,
– Martin
Nov 19 at 16:16

alternative to traceroute => mtr
– Hannu
Nov 19 at 17:12

add a comment |

up vote
3
down vote

accepted

You can also use traceroute 8.8.8.8 to find out the intermediate routers on the path (with the usual caveats when doing a traceroute).

Edit

8.8.8.8 stands of course for the IP address you want to reach, it needn't be literally 8.8.8.8.

edited Nov 19 at 13:05

answered Nov 19 at 11:55

dirkt

8,59331121

1

Or in the case of an internal routing issue, substitute 8.8.8.8 with the IP of your internal target host.
– Twisty Impersonator
Nov 19 at 12:51

Thanks. route get gave me the output i needed and was able to fix the problem,
– Martin
Nov 19 at 16:16

alternative to traceroute => mtr
– Hannu
Nov 19 at 17:12

add a comment |

up vote
3
down vote

accepted

You can also use traceroute 8.8.8.8 to find out the intermediate routers on the path (with the usual caveats when doing a traceroute).

Edit

8.8.8.8 stands of course for the IP address you want to reach, it needn't be literally 8.8.8.8.

edited Nov 19 at 13:05

answered Nov 19 at 11:55

dirkt

8,59331121

You can also use traceroute 8.8.8.8 to find out the intermediate routers on the path (with the usual caveats when doing a traceroute).

Edit

8.8.8.8 stands of course for the IP address you want to reach, it needn't be literally 8.8.8.8.

edited Nov 19 at 13:05

answered Nov 19 at 11:55

dirkt

8,59331121

edited Nov 19 at 13:05

answered Nov 19 at 11:55

dirkt

8,59331121

answered Nov 19 at 11:55

dirkt

8,59331121

answered Nov 19 at 11:55

dirkt

8,59331121

1

Or in the case of an internal routing issue, substitute 8.8.8.8 with the IP of your internal target host.
– Twisty Impersonator
Nov 19 at 12:51

Thanks. route get gave me the output i needed and was able to fix the problem,
– Martin
Nov 19 at 16:16

alternative to traceroute => mtr
– Hannu
Nov 19 at 17:12

add a comment |

1

Or in the case of an internal routing issue, substitute 8.8.8.8 with the IP of your internal target host.
– Twisty Impersonator
Nov 19 at 12:51

Thanks. route get gave me the output i needed and was able to fix the problem,
– Martin
Nov 19 at 16:16

alternative to traceroute => mtr
– Hannu
Nov 19 at 17:12

Or in the case of an internal routing issue, substitute 8.8.8.8 with the IP of your internal target host.
– Twisty Impersonator
Nov 19 at 12:51

Thanks. route get gave me the output i needed and was able to fix the problem,
– Martin
Nov 19 at 16:16

alternative to traceroute => mtr
– Hannu
Nov 19 at 17:12

add a comment |

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