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My measured availability for a automatic reverse ssh tunnel connection made through a 4g radio in the field was 52%. this was vs 95% on the lab/office environment with the same equipment. That particular experiment I declared a failure.

There was never a closer truism than ymmv.


On Jul 26, 2011, at 10:33 PM, Christopher Morrow wrote:

> On Tue, Jul 26, 2011 at 5:34 PM, M?ns Nilsson <mansaxel at besserwisser.org> wrote:
>> Subject: Re: OOB Date: Tue, Jul 26, 2011 at 10:14:21AM -0400 Quoting Christopher Morrow (morrowc.lists at gmail.com):
>>> On Tue, Jul 26, 2011 at 10:03 AM, Paul Stewart <paul at paulstewart.org> wrote:
>>>> We do everything in-band with strict monitoring/policies in place.
>>> what do you do if your in-band fails? if a router/switch/ROADM is
>>> isolated from the rest of your network?
>>> (isn't that the core point of the OP?)
>> Vendor C sells nice small routers with something like CAB-OCTAL-ASYNC
>> _and_ a 3G modem instead of the BRI port. The 3G modem keeps its
>> connection up (our telecom provider has true flat rate on domestic 3G,
>> YMMV) and VPN's to the head office much like any other telecommuter. This
>> cuts through all telco stupidity with firewalled or NAT'ed 3G phones
>> etc, especially if one uses the break-out-from-hotel-LAN functions of
>> the VPN system. The router of course actively keeps the VPN up and
>> reestablishes it if needed.
> how well does that work inside a big metal box like equinix?
> You are, of course, just making a singular point: "Find something to
> make yourself an OOB network, hey this thing does vpn over 3g, neato!"
> I agree, it's neat.. it may not fit all square holes, sometimes you
> need a round or triangle shaped plug.