[c-nsp] BVI MTU Question

Sridhar Ayengar ploopster at gmail.com
Mon Aug 22 15:02:17 EDT 2011


Randy wrote:
> ...at L2 no! the BVI itself is l3 so as long as you have your mtu set
> to the lowest-common-denominator it will work(while your L2
> interfaces are set to a higher mtu) From your email, it appears you
> are trying to do this *mtu-translation* at L2-conditionally. That
> will not work.

Hmmm.  In the past, when I hooked a Layer 2 switch (such as a C5500) 
with, say, FDDI and 10BASE-T on it, the switch had no trouble 
translating the ethernet's 1500-byte MTU to the FDDI's 4470.

Peace...  Sridhar


More information about the cisco-nsp mailing list