Cisco 3560 Console port

I have like 20 Cisco 3560's all the sudden i have three that are working great but i can not console into them . i can telnet no problem. Do you think this is a hardware issues or maybe software and some kind of hard reset might fix it ?
Troma76Asked:
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that1guy15Commented:
do you get an error when trying to console or nothing pulling up?

Also login to the 3560 and check your running config to see if anything has been changed with thein the "line con 0 " section. Specifically look for the speed setting to see if it has been changed. or if login access has been changed from normal

You might have a bad console port or it is having issue. if possible a restart might solve it.
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Troma76Author Commented:
i get nothing when i console in .

here is the config

!
line con 0
 password
 stopbits 1
line vty 0 4
 password
 login
line vty 5 15
 password
 login
!
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that1guy15Commented:
yeah if your console cable is working and your computers COM port is able to connect to other switches i would assume your console port is ether bad of having issues.

If you are able to reboot then give that a shot or contact Cisco TAC and open a support request (assuming you have a contract).

if you reboot make sure you save your config before you reboot  to make sure no unsaved changes are lost. issue "wr mem"
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surbabu140977Commented:
you have stop bits 1, make sure the terminal software also has that setting, else remove that.

paste a "sh line" output to make sure no session exists, if uyes, clear that and try, else a reboot.

Best,
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Troma76Author Commented:
it was a bad console port
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