--- On Mon, 12/26/11, Roy <[email protected]> wrote: > From: Roy <[email protected]> > Subject: [c-nsp] Telnet session dropped > To: "[email protected]" <[email protected]> > Date: Monday, December 26, 2011, 1:08 PM > I use RANCID ton a number of > routers. About five days ago, it started failing on > three routers. If I manually connect to these routers, > it seems to work for a minute or so and then the telnet > session gets disconnected. The disconnect only occurs > during a data transfer such as "show conf" > > I tested it from several places so the telnet client > doesn't seem to be a factor. The routers are all on > different ISPs and in different cities. The only > common denominator between the failing routers is they are > all set to use a port other than 23. This is done by > natting the external port to port 23 on a null interface. > > Rebooting the routers didn't help > > Any ideas?
I wonder if your isps have decided to blackhole tcp traffic on port that you redirect to 23. A quick test to confirm would be to try without port redirection(terribly insecure) or use ssh. I have been bitten by XO.. ./Randy _______________________________________________ cisco-nsp mailing list [email protected] https://puck.nether.net/mailman/listinfo/cisco-nsp archive at http://puck.nether.net/pipermail/cisco-nsp/
