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

Doug McIntyre merlyn at geeks.org
Sat Jan 24 11:28:24 EST 2015


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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