[Olsr-dev] rifs->int_mtu and /sys/class/net/wlan0/mtu have different values
Wed Jun 6 15:52:09 CEST 2012
On Jun 6, 2012, at 2:26 AM, Henning Rogge wrote:
> On 06/05/2012 11:25 PM, Hans-Christoph Steiner wrote:
>> I'm just in the process of adding the wifi information to the jsoninfo
>> plugin and I noticed something odd on my wlan0:
>> rifs->int_mtu in olsrd is 1472
>> /sys/class/net/wlan0/mtu is 1500
> 1500 bytes (MTU) - 20 bytes (IPv4) - 8 bytes (UDP) = 1472 bytes
> Its an estimate how large OLSR packets are allowed to grow.
> Henning Rogge
Ah, ok, so this is ethernet MTU versus OLSR MTU?
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