[c-nsp] Adjusting MTU on 802.1q links

[Phil Mayers]

On 12/04/2010 03:34 AM, Jeff Kell wrote:
> On 12/3/2010 10:57 AM, Phil Mayers wrote:
>> No. 802.1q trunks do this automatically i.e. bump MTU from 1518 to
>> 1522 to account for the extra space. I've never seen a switch platform
>> that needed any special config for this to work.
>
> But finding one that won't incorrectly count it as a Giant at some level
> is another story :-)

Indeed! Fairly common mistake that one, and irritating if you want to 
instrument jumbo usage.