Very good question! I ran into compatibility issues between border routers
running newer version of the protocol and a controller running an older
version of it. If I remember correctly, it was during a rental session and I
waisted quite a bit of time troubleshooting this issue, similar thing may
happen in the real lab a suppose.

Cheers,
Stan Ilchev



On Mon, May 24, 2010 at 12:57 AM, Bojan Zivancevic <
[email protected]> wrote:

>  Watched some presentations and saw in the “show oer master” output two
> very distinct numbers for the border router protocol versions. One was “2.1”
> and the other was “1.0”.
>
>
>
> Does it matter? Are there any functional differences? new commands or
> anything like that? Talking about ccie lab experience... Should we think
> about it at all?
>
>
>
> Best Regards,
>
>
>
> Bojan Zivancevic
>
> Network Engineer
>
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