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Beginner

No Resources to Open New Connection - Telnet

I was able to telnet into another Cisco 3750 switch from a Cisco SG300 switch. Then next day I cannot. I receive the message:  "No Resources to Open New Connection." 

 

I thought maybe the switch is being overworked and I did a show cpu utilization which showed on 15% cpu usage for all three metrics.

 

Maybe my previous telnet sessions are still open for some reason? How would I know?

 

Thank you,

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Beginner

Re: No Resources to Open New Connection - Telnet

Answered my own question.

 

At the priveleged-exec prompt I entered resume X where X = the session number. The session number can be found from the show sessions command.

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Beginner

Re: No Resources to Open New Connection - Telnet

Answered my own question.

 

At the priveleged-exec prompt I entered resume X where X = the session number. The session number can be found from the show sessions command.

View solution in original post

VIP Expert

Re: No Resources to Open New Connection - Telnet

BTW, to avoid stale telnet sessions tying of resources, you can either have an inactivity timer that will close the session and/or use keep alives.
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