2511 async serial overruns

[gsebk]

Hi all,

I use a 2511 router for reverse-telnetting onto other labor equipments. Many times I experiences that I cannot telnet onto a labor equipment because the line for that equipment is busy. If I do a "show line" on the 2511 I see that the line is busy and the number of overruns is large enough. Only after the second "clear line x" command I'm able to connect the labor equipment. I use the standard console settings on the labor equipments. The 2511 line settings do not contain any special feature. The equipments are used only by myself and I disconnect correctly each time I finish my task on the equipments.

Any opinion what is the reason of the busy state and the large number of overruns?

[rmcarthur]

Hi use the command "no exec" under the line configuration on your 2511.

Something like this.

line 1 16

session-timeout 10

exec-timeout 0 0

no exec

It prevents the router from trying to interpret line noise as valid attempts to launch an exec session.

hth