[j-nsp] MTU on switch interfaces

[Olivier Benghozi]

That's correct, but normally the port default MTU is set automagically when you change the trunk/access mode.

> Le 19 déc. 2015 à 09:21, Tom Storey <tom at snnap.net> a écrit :
> 
> But would that be +14 assuming no VLAN headers, +18 assuming 1 VLAN
> header, +22 assuming q-in-q ?
> 
> Was always my understanding that JunOS MTU figures were on-the-wire
> frame sizes, whereas Cisco was always payload sizes, with requisite
> headers accounted for automagically.
> 
> On 19 December 2015 at 16:23, Mark Tinka <mark.tinka at seacom.mu> wrote:
>> 
>> 
>> On 19/Dec/15 05:23, Victor Sudakov wrote:
>> 
>>> Dear Colleagues,
>>> 
>>> The MTU on EX4200 ports in port-mode access is 1514 bytes. Shouldn't
>>> it become 1518 bytes when the port is reconfigured in port-mode trunk ?
>> 
>> You can set the interface MTU on the EX4200 to whatever you want; up to
>> 9,192 bytes.
>> 
>>> 
>>> And if I want to configure the MTU on an EX4200 to match MTU=2000 on a
>>> Cisco Catalyst, what would be the correct value? 2014? 2018?
>> 
>> +14 bytes on the Juniper for whatever you have running on IOS and IOS XE.
>> 
>> Mark.
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