<div dir="ltr">Does the disconnect occur with a MAC error? I had a system causing disconnects with MAC errors, occasionally couldn't connect due to a bad handshake, etc, turned out the RAM was bad... Makes me wonder what got corrupted that didn't have SSH's level of integrity checking.</div>
<div class="gmail_extra"><br><br><div class="gmail_quote">On Thu, Feb 27, 2014 at 3:10 PM, Jim Kinney <span dir="ltr"><<a href="mailto:jim.kinney@gmail.com" target="_blank">jim.kinney@gmail.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div>On a closed, private network segment, I've started seeing odd behavior between 2 systems. ssh connections drop and a reconnect shows the "Wrong host key - man in the middle attack" error. <br>
<br>*****The fingerprint it shows is the correct one for the host! *****<br><br>This failure bounced around through 3 machines yesterday and is now only hitting a single cluster node. If I keep trying the ssh connection, I will eventually connect correctly. It won't stay up longer than about 10 minutes.<br>
<br></div>I've done all the usual checks for security issues, file-system corruption and network gremlins (yep - still there but not involved in this that I can tell). I've reboot the affected systems (last ditch effort).<br clear="all">
<div><div><br><br></div><div>The last change to the environment was to join two switches, network A was the affected network connection to network B, the IPMI network on a totally different LAN segment (Thanks Dell for being too cheap for dedicated IPMI ports).<br>
<br></div><div>I'm going to disconnect that last connection to see if it goes away. In the meantime, any ideas?<span class="HOEnZb"><font color="#888888"><br></font></span></div><span class="HOEnZb"><font color="#888888"><div>
-- <br><div dir="ltr">-- <br>James P. Kinney III<br><i><i><i><i><br></i></i></i></i>Every time you stop a school, you will have to build a jail. What you
gain at one end you lose at the other. It's like feeding a dog on his
own tail. It won't fatten the dog.<br>
- Speech 11/23/1900 Mark Twain<br><i><i><i><i><br><a href="http://heretothereideas.blogspot.com/" target="_blank">http://heretothereideas.blogspot.com/</a><br></i></i></i></i></div>
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<br></blockquote></div><br><br clear="all"><div><br></div>-- <br>David Tomaschik<br>OpenPGP: 0x5DEA789B<br><a href="http://systemoverlord.com" target="_blank">http://systemoverlord.com</a><br><a href="mailto:david@systemoverlord.com" target="_blank">david@systemoverlord.com</a>
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