[CentOS] how to connect to a switch with a serial cable? - what command(s) to use?

Filipe Brandenburger filbranden at gmail.com
Thu Nov 27 23:41:42 UTC 2008


Use:

screen /dev/ttyS0

When you're done, to kill your session, press Ctrl-A then K
(uppercase) and answer 'y'.

HTH,
Filipe


On 2008-11-27, Rudi Ahlers <rudiahlers at gmail.com> wrote:
> On Thu, Nov 27, 2008 at 2:53 PM, Guy Boisvert <boisvert.guy at videotron.ca>
> wrote:
>> Rudi Ahlers wrote:
>>>
>>> Hi all,
>>>
>>> I see one of our switches doesn't want to respond to HTTPS or SSH
>>> commands, and I know it's connected to a server via a serial cable.
>>> I'm 3 hours drive from that server at the moment, so how can I connect
>>> to it from the Linux server, via SSH?
>>>
>>
>> Hi Rudi,
>>
>>        First, what brand / model of switch is it?  Cisco? HP?
>>
>> Cisco & HP support:
>>
>> - Serial Connection
>> - Telnet
>> - Web
>> - SSH
>>
>> But be aware that supported connection type varies from model to model and
>> with firmware version / config.
>>
>> For example, on Cisco switches, you won't get SSH if it's not configured
>> properly.  On Cisco, serial is always enable out of the box so you can
>> configure it.  It takes their "blue cable" (their are models with the
>> black
>> one too) and default serial settings are 9600,8,n,1.
>>
>>
>> Hope this helps.
>>
>>
>> Guy Boisvert, ing.
>> IngTegration inc.
>> _______________________________________________
>>
>
> It's a D-Link Layer 2 switch, with HTTPS & SSH configured, but I think
> there's something wrong with it, so I want to connect to the console
> to see what's up.
>
> Something just told me when I got the switch to connect the console
> cable to a machine's serial port, just for in case.
>
> And now is that "for in case" scenario. So,how do I use minincom,or
> screen to connect to it? I know the D-Link tech connected via his
> latop on using Window's Hyperterminal to connect to it, but the Linux
> server doesn't have it.
>
>
> --
>
> Kind Regards
> Rudi Ahlers
> _______________________________________________
> CentOS mailing list
> CentOS at centos.org
> http://lists.centos.org/mailman/listinfo/centos
>

-- 
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