On 12/29/07 11:11 PM, johan beisser wrote:

> It's permitted in IEEE 802.3, if not encouraged.

This is not correct. The relatively recent (2005) IEEE 802.3as spec
extends Ethernet frame length only to 2048 bytes, mainly to accommodate
VLAN stacking and various encap methods. It does not define a standard
for jumbo frame length.

Jumbo frame support is widely implemented but it's still not standard.

On 12/30/07 6:05 AM, L. V. Lammert wrote:

> If you're running 1GB or 10GB, the switches you're using have backbones
> well capable of running any framesize you can configure.

Perhaps because there is no standard, switches differ on jumbo MTU.

Most support 9216 bytes or more, but some top out at 9000.

dn

Reply via email to