Date: Fri, 5 May 1995 13:48:33 -0700 From: "Mike O'Brien" <obrien@antares.aero.org> To: questions@FreeBSD.org Subject: So your site reconnects to the net automatically. Then what? Message-ID: <95May5.134854pdt.111114-2@aero.org>
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I've posted this question to -hackers, which was probably the wrong place. I'll post it here where it belongs. Many people seem to be using 'expect' or something similar to cause their systems to reconnect to the net upon abnormal termination of their dialup PPP (or maybe SLIP) connection. However, most Internet providers do dynamic address assignment of PPP connections, so when you reconnect, you never have any idea what IP address you're going to get. Now, I'm sure most of you have had the experience of having the call drop right in the middle of a hot'n'heavy FTP session, or MUD or IRC conversation, or whatever, and frantically reconnected immediately, and gotten the same IP address, and saved the TCP session(s) in progress. I know I have. That's not my question. I'm talking about when you're at work, or offsite, or away, or just plain gone, and your computer redials automatically. Once it's reconnected, how in the world do you figure out what it's new IP address (or even name) is, so you can talk to it again from wherever you are? Mike O'Brien
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