[c-nsp] 6509 crash, and the following upgrade

[Blake Pfankuch - Mailing List]

We use rancid as well, however we are looking for testing before we push this change, not rolling back after something goes wrong.  I guess I should have explained this a little better.  We have lab equipment for most of our hardware, however we do not for our core 6509 switches.

As an example, we just moved a couple of routers from 12.x to 15.x and the ip sla monitor command was deprecated in the new release.  This left me with about 40 lines to manually change.  This was labbed ahead of time on matching hardware, so I was prepared with the config commands that changes so I could just push them into the live environment at change.  

Long ago I remember hearing about a vendor you could contact and "rent" a specific piece of hardware with the appropriate modules/cards in it and get remote console access for testing major changes like this, without the investment of having a spare device sitting in a lab.  I remember it being about $300 a day 10 years ago, however that would be quite justifiable in a case where the affected device could possibly cause a major impact if you are "fixing" things that changed during your outage window that were not expected.  Anyone know who I'm talking about, or someone similar?

Thanks,
Blake

-----Original Message-----
From: cisco-nsp [mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of Raymond Burkholder
Sent: Thursday, May 2, 2013 4:38 AM
To: cisco-nsp at puck.nether.net
Subject: Re: [c-nsp] 6509 crash, and the following upgrade

> 
> Anyone know of a good tool for checking for syntax changes as we 
> change IOS and boot versions?  Or is there a decent service out there 
> we could
rent
> "lab" equipment of our current config to test the upgrade?

We use Rancid from shrubbery.net to do this sort of thing.  It takes config snapshots once an hour, diffs the versions, and emails the results.  Other state info is captured at the same time, like stuff from the 'dir' command.
With this type of tool, you can see what happens before and after  a reboot/upgrade.


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