[etherlab-users] ethercat filtering

Sriram V vshrirama at gmail.com
Tue Feb 14 12:11:50 CET 2017


Hi mike,

I understand that. This is a totallyu different question and pertains
to ethernet.

I am just trying to find out on a normal ethernet network with 2
interfaces whether a IP routing takes place.
I am using a raw socket and seem to packets even though ifconfig does
not show any increase in Rx Packets.



Thanks,
Sriram

On Tue, Feb 14, 2017 at 4:34 PM, Mike O'Connor <mike at oeg.com.au> wrote:
> On 14/02/2017 9:18 PM, Sriram V wrote:
>> Hello Mike,
>>
>> I tried running a simple packet sniffer on a Laptop with 2 ethernet
>> interfaces. Still i am seeing the same behaviour.
>>
>> On my laptop, I have 2 network interfaces eth0 and eth1. eth0 is the
>> lan and eth1 is the wlan.
>
> The Ethercat link must be on its own with a direct cable between the
> PC's Ethernet and the EtherCAT device, which if needed is then daisy
> chain to the next EtherCAT device.
>
> Mike



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