All good points and ideas. I am in the process of adding the wireless aspect
to the present satellite setup.  I'll keep you all posted on my progress.

Thanks,

Duncan

> Exactly, the physical interface would never go down, even if out of range.
That's why I suggested creating a tunnel interface over the wireless, and
use that as the default route.  If you go out of range the tunnel interface
should go down (because it can't reach the other router), and a higher
administrative cost static default would then switch you over to using the
satellite.

You could use a dynamic routing protocol also, but the likelihood of having
a dynamic routing protocol working with multiple ISP vendors is slim.  Not
necessarily due to whether it is technically possible or not, but more to do
with egos, policy, and other political issues.

Fred Reimer - CCNA


Eclipsys Corporation, 200 Ashford Center North, Atlanta, GA 30338
Phone: 404-847-5177  Cell: 770-490-3071  Pager: 888-260-2050


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-----Original Message-----
From: Geoff Kuchera [mailto:[EMAIL PROTECTED] 
Sent: Tuesday, July 15, 2003 12:35 PM
To: [EMAIL PROTECTED]
Cc: [EMAIL PROTECTED]
Subject: RE: Automatic cutover between wireless and satellite internet
[7:72296]

The only way I can think of to do this would be to use a routing protocol
with weighted routes.  Because you are using an access point the wireless
connection will look to you like an ethernet.  This being said the
interfaces will never go down.  The way you may be able to solve this
would be to use a routing protocol that sends hello packect across the
wireless network.  This would then detect when you get out of range and
then switch routing to the satellite.  You could use a floating static to
do the routing so you don't have to send routing packets across the
satellite network.   (this would be very much like a dial-backup type of
solution.
-Geoff Kuchera




> The router has 802.11b?  Not exactly clear on your setup, but you could
> try something like creating a tunnel over the 802.11b.  If the tunnel
> goes down (out of range of the 802.11b wireless) then you switch over
> to using the satellite...
>
> Fred Reimer - CCNA
>
>
> Eclipsys Corporation, 200 Ashford Center North, Atlanta, GA 30338
> Phone: 404-847-5177  Cell: 770-490-3071  Pager: 888-260-2050
>
>
> NOTICE; This email contains confidential or proprietary information
> which may be legally privileged. It is intended only for the named
> recipient(s). If an addressing or transmission error has misdirected
> the email, please notify the author by replying to this message. If you
> are not the named recipient, you are not authorized to use, disclose,
> distribute, copy, print or rely on this email, and should immediately
> delete it from your computer.
>
>
> -----Original Message-----
> From: Duncan Wallace [mailto:[EMAIL PROTECTED]
> Sent: Monday, July 14, 2003 6:22 PM
> To: [EMAIL PROTECTED]
> Subject: Automatic cutover between wireless and satellite internet
> [7:72270]
>
> Has anyone run into an scenario like this before.
> I have a router that is mobile.  It is connected to a workgroup switch
> of a few laptops.  I have two other interfaces (internet connections)
> that are connected to a satellite (128k) and an 802.11b access point.
> What I want to do is utilize the satellite link when I am out in the
> field.  When I return to my base area, I would like it to automatically
> cutover to the wireless link, as well as back to the satellite when I
> roam away from the base area.  (I get charged by the minute for my
> satellite, plus the wireless is faster) I feel like this should be
> pretty easy, but for the life of me can't figure out how to proceed...
>
>
>
> Thanks in advance,
>
> Duncan Wallace
> [EMAIL PROTECTED] <




Thanks,

Duncan Wallace
Sr. Systems Engineer
Pacific Star Communications
15714 SW 72nd Ave.
Portland, OR 97224
Work:503-403-3000
Cell:971-506-8164
[EMAIL PROTECTED]




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