[c-nsp] Upgrade IOS and incompatible config

[Joe Maimon]

Once you get off the upgrade train it can be difficult to get back on.

Joe

Mike wrote:
> On 12/04/2012 12:51 AM, Gert Doering wrote:
>> Hi,
>>
>> On Mon, Dec 03, 2012 at 06:08:20PM -0800, Mike wrote:
>>> If it helps, my
>>> current running version is "c7200p-advipservicesk9-mz.122-33.SRD8" while
>>> the version reccomended to me by the tac engineer was
>>> "c7200p-advipservicesk9-mz.124-24.T7.bin".
>> The TAC engineer has no idea what he's doing.  In multiple ways.
>>
>> While 12.2SR* and 12.4T IOS have common ancestors, they have developed in
>> heavily different directions, so there is lots of good stuff in 12.2SR
>> that has not been incorporated into 12.4T (yet).  Even then, 12.4T is the
>> "experimental new feature train" and should *never* be recommended
>> anywhere
>> today, unless lack of flash/ram/hardware support prevents installation of
>> 15.0M - which has all features from 12.4T, plus (the important bit) all
>> the bugfixes.
>>
>> I think your best bets are either 15.1M IOS (if that has all the features
>> you need, I can't say for sure as I'm not running SR* stuff), or one of
>> the 15.xS releases (15.0S, 15.1S) that are the true successors of the SR*
>> train.
>>
>
>
> Thanks everyone. I tried several revisions and came up complete fail.
>
> 15.2.4S1 did not come up %100 correctly and left a subset of my
> subscribers down. Had weird bootup messages such as " Warning: The CLI
> will be deprecated soon" along with various advices, and some others
> like "%BBA: T2 value must be zero or greater than T1." and others weird.
>
> 122-33.SRE7 did up up mostly correct, but upon inspection, some of my
> snmp management tools began to malfunction since it was not returing
> some OID's I poll for user management and such.
>
> I feel like I would have to have another identical box here to throw
> various revs on and 'see' what happens. Doing this with live production
> gear is nonsense and given the comments and now this latest experience,
> I'm wondering if I should escelate with tac or just don't do the thing
> that I have learned causes the sigsegv reload and get used to it?
>
> Mike-
>
> _______________________________________________
> cisco-nsp mailing list  cisco-nsp at puck.nether.net
> https://puck.nether.net/mailman/listinfo/cisco-nsp
> archive at http://puck.nether.net/pipermail/cisco-nsp/
>
>