Any simple way to ping a modem or router from outside the network?

[Talidan]

Looking for a way to do this without major steps needed, like changing network settings. Like, if I had all the hardware and network information available, could I, from another computer or even phone on the other side of the country, ping my home modem or router?

Hope this is the right place to ask, please let me know if not.

 

[ColinTaylor]

Of course. Just open up a command prompt on your computer and enter

ping 111.222.333.444

where 111.222.333.444 is the WAN address of your router. Simple.

 

[Talidan]

And the WAN address of my router is the "typical" external IP address, like if I were to go to whatsmyip.org or whatever, correct?

This frequently changes if the modem or router is disconnected from power though, doesn't it?

 

[sfx2000]

Looking for a way to do this without major steps needed

Go to a local coffee shop with WiFi?

 

[Weaver]

Correct. If you are using a NAT router (which most home users are), then as you are aware, it's the external IP address that you need. This is the address of the WAN interface of your router.

 

[Weaver]

Whether or not your router responds to pings or not depends on how it is set up. It may well choose to just ignore pings and keep silent.

 

[Weaver]

My router is set up to do the right thing and does respond to pings. Some people frown on this choice.

As mentioned earlier, with some ISPs the router's WAN-facing IP address could change from time to time. My ISP doesn't do so, and I always know what the router's IP addresses are and what those of all the machines on my LAN are too, they're fixed (‘static’).

 

[ColinTaylor]

And the WAN address of my router is the "typical" external IP address, like if I were to go to whatsmyip.org or whatever, correct?

Yes, usually. You can confirm this my logging into your router (you haven't said what you have). There is normally somewhere where it tells you the WAN IP address. Provided that it isn't a private IP address (192.168.x.x or 10.x.x.x) you should be good to go. While you are logged into your router look for any options to "respond to ping from internet" and make sure it is enabled.

This frequently changes if the modem or router is disconnected from power though, doesn't it?

That depends on your equipment, the ISP, how long you are disconnected and how often. Cable connections tend to be "sticky" and rarely change unless the modem is powered off for a long time.

 

[HeMaN]

If you have frequent IP adress changes, you can use a ddns (dynamic dns) provider tot have an URL pointing to your router and use a program tot update the URL to your wan IP (can be a client programm on a PC, or build in into your router)

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