On 7.9.2023. 18:45, Lyndon Nerenberg (VE7TFX/VE6BBM) wrote:
> I'm setting up jumbograms on a couple of vlans stacked
> on an aggr and I need a sanithy check that I'm doing
> this right.
> 
> The switches use a hardware MTU of 9192.  We want an IP
> MTU of 9000 for the vlans.  I'm assuming this will work?
> 
>   ifconfig em1 mtu 9192
>   ifconfig em5 mtu 9192
>   ifconfig aggr0 9192  # em1+em5 lacp
>   ifconfig vlanX mtu 9000 # stacked on aggr0
>   ifconfig vlanY mtu 1500 # ditto
> 
> --lyndon
> 

can you send

dmesg | grep em

ifconfig em1 hwfeatures
ifconfig em5 hwfeatures


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