[188071] in North American Network Operators' Group

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Re: remote serial console (IP to Serial)

daemon@ATHENA.MIT.EDU (Mel Beckman)
Tue Mar 8 11:58:35 2016

X-Original-To: nanog@nanog.org
From: Mel Beckman <mel@beckman.org>
To: Owen DeLong <owen@delong.com>
Date: Tue, 8 Mar 2016 16:51:54 +0000
In-Reply-To: <3D1C55A4-2E76-4693-96E8-AE28E9D76835@delong.com>
Cc: North American Network Operators'
 Group <nanog@nanog.org>
Errors-To: nanog-bounces@nanog.org

Adafruit.com sells a USB to serial converter for $10 that works great (http=
s://www.adafruit.com/product/954). Plus you can operate multiple serial por=
ts this way.=20

 -mel beckman

> On Mar 8, 2016, at 8:45 AM, Owen DeLong <owen@delong.com> wrote:
>=20
> Serial port on the PI is TTL, so you=92ll need some level shifters and/or
> ideally some opto-isolators or buffers to do a proper implementation.
>=20
> Owen
>=20
>> On Mar 8, 2016, at 08:32 , greg whynott <greg.whynott@gmail.com> wrote:
>>=20
>> Thanks to all who responded to me,  quite the flood of suggestions and
>> options.
>>=20
>> Found a lot of 20 Digi CM32's on ebay for 35 dollars each,  overkill but
>> can't beat the price,  going to look into those to make sure they are st=
ill
>> able to get OS updates.  There will be no firewall in front of this devi=
ce
>> so it should have one itself.
>>=20
>> I like the raspberry pi idea...  Would ensure perpetual security updates
>> with the OS running on it,  whereas I'm sure some of the vendors of
>> commercial console products EOL support at some point.  The fact it runs
>> linux is inviting as we can add it to our monitoring systems.
>>=20
>> have a great day,
>> greg
>>=20
>>=20
>>=20
>> On Tue, Mar 8, 2016 at 10:33 AM, Christopher Morrow <morrowc.lists@gmail=
.com
>>> wrote:
>>=20
>>> for singular serial .. there are many, do you want something that's
>>> "appliance" or are you willing to deploy 18 raspnberry-pi-like
>>> thingies?
>>>=20
>>> On Tue, Mar 8, 2016 at 10:30 AM, greg whynott <greg.whynott@gmail.com>
>>> wrote:
>>>> Recently I have taking over the responsibility of managing about 18
>>> remote
>>>> routers and firewalls.   None of these have a console port for 'out of
>>>> band' access accessible today.
>>>>=20
>>>> Most sites has available IPs between the ISP and us (typically a /29) =
or
>>> a
>>>> backup DSL connection available for use.     I'd like to purchase a IP=
 to
>>>> Serial port device I can use for each location in the event I lock mys=
elf
>>>> out.   The requirement would be an Ethernet port,  a serial port,  and
>>> SSH.
>>>>=20
>>>>=20
>>>> Anyone have any recommendations on something like this?
>>>>=20
>>>> thanks much,
>>>> greg
>=20

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