> In case of ISP has single access point, it has one source MAC for all > network, right? If such AP is buggy and give two(or more) equal > session_id's to several clients, this cause situation I described > above. I am still not clear. The session_id will have an unique value for the pppoe connection. I think It will be a part of 1. The handshake that goes on 2. Crytography for the device(specific to the modem). Even If 2 fails, 1 Should fix it(be it single/multiple). -- To unsubscribe from this list: send the line "unsubscribe linux-ppp" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html