On Wednesday 05 March 2014 11:03 PM, Christian Engelmayer wrote: > Has anybody successfuly setup ethernet bonding on a TI AM335x based system using > the CPSW in dual standalone emac mode? > > I am running an active-backup test setup - momentarily still running Linux 3.2 - > and experience repeated loss of ethernet connectivity. That happens eg. after > the board is idle and receives an own ARP request on the backup slave interface. > It seems that the corresponding reply does not reach the CPU and I can see via > SysFs that the host's address entry got associated with the external backup port. > > index 2, raw: 00000000 10000018 31e00669, type: addr(1), addr: 00:18:31:e0:06:69, > uctype: persistant(0), port: 0 --> uctype: persistant(0), port: 2 > > As expected, triggering a unicast from the board or bypassing the ALE recovers It seems that some other system in the network is using the same mac in your EVM or there is a loop detected in your network which leads that ALE is learning that there is system with your MAC and updating the ALE table that the mac is there and which leads your own packet will be forwarded to that port and not to host port. When ever you start a transmission the ALE learns the host port MAC is x and updates ALE table with that port number and so there in your network is working. Regards Mugunthan V N -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
