[c-nsp] setting max mtu on switch (Jumbo)

[Gert Doering]

Hi,

On Tue, May 29, 2012 at 04:11:17PM +1030, CiscoNSP_list CiscoNSP_list wrote:
> Are there any "issues" with setting mtu at 9000? (We have a mix of routers/switches some of which only support mtu of 1500), so is adding a new switch(or adjusting an existing switch(3560+2960)) going to cause issues if other connecting devices mtu is smaller?

You need to ensure that the MTU settings of the layer3 devices connected
to the l2 fabric is smaller or equal than the *lowest* L2 MTU of any
switch in the fabric.  

If one of the switches has a bigger L2 MTU, that's no problem.

gert

-- 
USENET is *not* the non-clickable part of WWW!
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Gert Doering - Munich, Germany                             gert at greenie.muc.de
fax: +49-89-35655025                        gert at net.informatik.tu-muenchen.de
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