> Fri, 17 Dec 1999 16:43:26 +0300 (MSK) > Hello! > > > I have been using netlink to dump and monitor for changes to the > > forwarding/routing table and links. Can netlink be used to monitor changes > > and dump the ARP table? > > > Yes. Dumping is made exactly in the same way as you do it for routing tables. > F.e. look into iproute source: "ip neigh ls" command does it. > > > > Monitoring changes is more tricky. ARP used to create pretty > high traffic on netlink, so that reporting is not turned on by default. > To enable it it is necessary to make two things: > > > 1. CONFIG_ARPD > 2. echo 1 > /proc/sys/net/ipv4/neigh/<dev>/app_solicit > > > After this arp changes are reported to group RTMGRP_NEIGH. > > > Yes, it is inconvenient, because requests are dumped too. > But without some optimizations in netlink, which I permananltly forget > to make, unconditional reporting is really harmful. Is this problem fixed ? Thanks - Jacob > > > Alexey - : send the line "unsubscribe linux-net" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
