[c-nsp] How can I increase Ethernet MTU?

[Darren O'Connor]

Or just set your routing MTU to 1500 while your ethernet MTU goes up to 9k+

> Date: Sat, 24 Jan 2015 10:28:24 -0600
> From: merlyn at geeks.org
> To: vas at mpeks.tomsk.su
> CC: cisco-nsp at puck.nether.net
> Subject: Re: [c-nsp] How can I increase Ethernet MTU?
> 
> On Sat, Jan 24, 2015 at 09:15:38PM +0600, Victor Sudakov wrote:
> >> Switch(config)#system mtu jumbo 9198
> > 
> > Should I do that on all switches in the network simultaneously ?
> >
> > What if I set "system mtu jumbo 9198" on a random switch in the
> > middle of the network, would it disrupt connectivity (STP or OSPF in
> > the management VLAN or anything else)?
> 
> OSPF will be affected by an MTU mismatch, so if you have OSPF setup on
> everything, expect a downtime until all switches are done.
> 
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