> -----Original Message----- > From: linux-net-owner@xxxxxxxxxxxxxxx > [mailto:linux-net-owner@xxxxxxxxxxxxxxx] On Behalf Of Oguz Yilmaz > Sent: Wednesday, April 22, 2009 1:36 AM > To: linux-net@xxxxxxxxxxxxxxx > Subject: arp table overflowing > > At the moment in my network, about 1500 users exist. After getting > neighbour table overflow messages, I increase > net.ipv4.neigh.default.gc_thresh3 to 30000 suddenly I get an arp table > size of 8000 entries. Most of the entries are Incomplete-Failed > entries like "? (10.8.223.31) at <incomplete> on eth4" By any chance does that machine have more than one ethernet interface on the same subnet (without them being bonded, that is)? I saw something vaguely similar a couple of years ago in our labs here at Brocade and it occurred when two ethernet ports on the same host were assigned distinct IP addresses in the same subnet and attached to the same LAN. Jeff Haran Brocade -- To unsubscribe from this list: send the line "unsubscribe linux-net" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
