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Unable to access USB console on new 3850x

cshaw5901
Level 1
Level 1

‎05-06-2015 07:20 AM - edited ‎03-07-2019 11:53 PM

I am unable to access the console via the USB port.  I've read the USB is the standard port for console access in the newer switches, but both of these new 3850x I have, the USB con is not working at all.  Putty cannot connect.  I've downloaded the 3.1 driver, I know what com port it is, and baud rate and so forth is set correctly.  The console light comes up when I plug into the USB con port.  It just does nothing with putty though.  However, the rj45 is working for both read and config access.  Which is strange as I read the rj45 is defaulted to read only and you have to put in the "line con 0    media type rj45 switch 1" command to even allow config from the rj45...

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cshaw5901
Level 1
Level 1

‎05-06-2015 08:06 AM

I was able to download the driver and access the USB console port from a different laptop however.  So I apparently have an issue with this laptop.  Although it doesn't explain how I can do configurations from both console ports.  Not at the same time, but I can switch between the two and enter configs.  One is not "read only" as I have read.

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cshaw5901
Level 1
Level 1
In response to cshaw5901

‎05-07-2015 10:28 AM

Turned out to be a driver issue.  I had to manually select the Cisco driver for the USB console cable.  Once I did that, the device manager changed the description from "USB serial cable" to "Cisco serial cable" and all was well.

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