If you put your monitor on the other side of the broken link, external to your network, then pages directly to the cell provider will go through. So, if your T3 goes down, an external monitor that is not affected by the outage can send the page. On Tue, 3 Aug 2004 12:44:00 -0400, Matthew McGehrin <mcgehrin@reverse.net> wrote:
For example, if your 'T-3' goes down, no point in sending an e-mail since you don't have connectivity :) The original poster was trying to have complete redundancy, so in the case of a 'fiber' cut where communications are totally interrupted, using a cell phone would almost guarantee that the page would be sent, rather than just queuing up in the mailqueue during the outage.
----- Original Message ----- From: "Brett" <bretton@gmail.com> To: "Dan Hollis" <goemon@anime.net> Cc: <nanog@merit.edu> Sent: Tuesday, August 03, 2004 12:32 PM Subject: Re: sms messaging without a net?
Any reason the monitor can't be external, then send an SMS via email directly to the cell phone provider, rather than an alias on the down network?
Likewise, you can just give your monitoring machine a dialup or DSL connection into someone else's network. It logs in, and sends through their mail server. Very few times will you run into such a large problem that your dial-up provider and your own network both can't reach your cell/paging provider. That scenario used to happen a lot more in the past than it has in the last 4 years in my experience. I also remember when the satellite that provided most of NA's satellite paging had issues and nobody was getting pages unless they had a local pager number backup. Plan for the level of paranoia you want. If you use a national dialup provider, you can always give your monitoring machine a few dialups all over the country to try and connect through -- to avoid local problems. Deepak Jain AiNET Brett wrote:
If you put your monitor on the other side of the broken link, external to your network, then pages directly to the cell provider will go through. So, if your T3 goes down, an external monitor that is not affected by the outage can send the page.
On Tue, 3 Aug 2004 12:44:00 -0400, Matthew McGehrin <mcgehrin@reverse.net> wrote:
For example, if your 'T-3' goes down, no point in sending an e-mail since you don't have connectivity :) The original poster was trying to have complete redundancy, so in the case of a 'fiber' cut where communications are totally interrupted, using a cell phone would almost guarantee that the page would be sent, rather than just queuing up in the mailqueue during the outage.
----- Original Message ----- From: "Brett" <bretton@gmail.com> To: "Dan Hollis" <goemon@anime.net> Cc: <nanog@merit.edu> Sent: Tuesday, August 03, 2004 12:32 PM Subject: Re: sms messaging without a net?
Any reason the monitor can't be external, then send an SMS via email directly to the cell phone provider, rather than an alias on the down network?
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