Bob,
Now those are questions! I can relate to the inability to phrase questions
and get help via google... it can be very frustrating getting 100000 hits on
completely irrelevent topics!
Another good resource (albeit rather frustrating at times) is IRC.
If Im understanding this correctly, you have a mailserver that connects to
the internet via wireless, and via dialup (modem). With the exception of
flaky wireless, they are both connected 24/7. When the wireless is flaky you
would rather it route mail via the dialup, but not always (likely since the
wireless is faster).
This sounds like you want some dynamic routing based on which ever route is
more fastest (ie, if wireles gets unstable, switch to dialup, if wireless
becomes more stable, switch to wireless).
I dont know if this helps, but dialup(ppp) can be set to "Dial on Demand), so
you dont maintain a constant dialup, you dialup when something access's the
internet (then eventually the isp disconnects after no activity, or you can
manually disconnect).
The issue regarding default routing can be handled with route probably, and
maybe you could (if there areent already some) write a script that checks the
connection using ping or traceroute, and makes new default routes with route.
I dont know the specifics with route, but probably you could just route
specific requests via a specific IP or net device, so anything that makes
requests to mail.blah.whatever get routed through ppp0.
Personally, I like the dynamic approach... its much more complicated :)
Jamie
On Wednesday 08 January 2003 02:55 pm, Bob Crandell wrote:
: Hi,
:
: How do I make the default routing fall back to the modem when the wireless
: dies? Both the modem and the wireless have static IPs. Mail arrives via
: SMTP.
:
: How do I make the mail send and receive over the modem whether the wireless
: is up or down? Or if mail follows a working default route, then who cares?
:
: My inablility to phrase questions is the reason I can't find very much with
: Google.
:
: Thanks
:
: Linux Rocks ! ([EMAIL PROTECTED]) wrote*:
: >Im a bit unsure what the question here is.. I think I understand the
: > situation (well... mostly), but what is the question?
: >
: >Jamie
: >
: >On Wednesday 08 January 2003 08:21 am, Bob Crandell wrote:
: >: Hi,
: >:
: >: This is a "How do I".
: >:
: >: An office has a wireless internet connection. It is unstable. They
: >: want a dialup connection to handle mail. They can live without
: >: browsing. They can't live without email.
: >:
: >: I think what I want is to dynamically point the default route to the
: >: working connection preferring the 128k wireless connection to the 19200
: >: modem connection.
: >:
: >: An SMC router is controlling the modem and a DLink router is controlling
: >: the wireless.
: >:
: >: If it's a script, it will be running on a Linux server checking if the
: >: wireless connection is working.
: >:
: >: Thanks
: >
: >_______________________________________________
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