07-24-2009 08:14 AM - edited 03-04-2019 05:32 AM
We have a mpls setup with 6 locations.
I can telnet to all routers except for one. This setup has been in place for at least 5years. I was able to telnet to all of the routers until yesterday. There was no changes made to the infrastructure and now all of a sudden there is only on router that I can't telnet to. I receive the following error:
Could not open connection to the host, on port 23: Connect failed.
Why would this happen ?
07-24-2009 08:21 AM
Have you tried to reload it? When this happens to me with no explanation, and no changes, I reload and it generally fixes the issue. If you can't reload it during the day, schedule the reload at night.
HTH,
John
07-24-2009 08:45 AM
If you can ping the router but unable to telnet it could be you are either out of available vty sessions on the router (look into implementing exec-timeout) or the telnet service has crashed.
Have someone at that location connect a laptop on the console port if you are unable to reboot the router.
HTH,
__
Edison.
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