[c-nsp] TFTP/SCP

[Jeremy Bresley]

With the exception of NX-OS, pretty much anything on code released in 
the last 3-4 years supports HTTP downloads.  Just put the images on a 
web server reachable by the client (can put them in a directory and 
specify the path as well).  I did this with a Linux host with Apache and 
did an alias for /code pointed to a directory that the network team can 
update with new images as needed.  To upgrade a 3560X they just have to do:
archive download-sw /overwrite 
http://serverip/code/c3560e-universalk9-tar.152-4.E.tar

As a plus, it's easy for the junior engineers to just click on a link 
and see what images are available for that platform if we update to a 
newer version and they have an older doc with what our standard image is 
(we remove all but the current standard and sometimes the immediate 
previous one in case we need to roll a device back.)  This makes it easy 
to keep people from loading old non-standard code whenever they replace 
a device.

Jeremy "TheBrez" Bresley
brez at brezworks.com

On 11/19/2015 7:54 AM, Jared Mauch wrote:
> We use FTP as the image isn't something that needs to be protected from eavesdroppers.
>
> Jared Mauch
>
>> On Nov 19, 2015, at 6:46 AM, Mark Tinka <mark.tinka at seacom.mu> wrote:
>>
>>
>>
>>> On 19/Nov/15 12:25, Harry Hambi - Atos wrote:
>>>
>>> Hi All,
>>> Uploading IOS 15.2.SE7 to a number of 3750 switches using tftp. This proved very slow, so I decided to use SCP which was a lot quicker. However, SCP caused a cpu spike on the switch which caused snmp drops. Has anyone ever experience this?, the switch was passing data traffic normally.
>> Might make sense.
>>
>> SCP is exception traffic, as is SNMP traffic to the switch.
>>
>> Mark.
>>
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