ARP is a great idea. Someone should give it a try, though I know some routers sometimes do funny things with ARP for their own devices, but that would not be too big an issue I guess.
Regards KK On 6 May 2011 03:59, Murphy McCauley <[email protected]> wrote: > I don't consider this a big issue, but what about ARPing at it? I bet even > machines that are set to not respond to ICMP echo will still usually answer > an > ARP. Moreover, if they respond once, I'd think it's probably safe to > assume > they will continue to do so. So if something never responds to an ARP, it > could just timeout after five minutes of inactivity like it does now. If > it > responds to an ARP once, we could periodially check that it still does -- > if > it goes silent, assume it's gone. > > -- Murphy > > On Thursday, May 05, 2011 06:03:24 PM kk yap wrote: > > Yeah, hosttracker simply timeout. To the best of my knowledge, there is > no > > good way to ensure the host is there or not if it is completely silent. > > You can try sending an icmp echo request but that is not guaranteed to > > work all the time either. > > > > Regards > > KK > > > > On 5 May 2011 17:40, Murphy McCauley <[email protected]> wrote: > > > Maybe take a look at hosttracker. It raises events when a host is > first > > > seen, > > > moves, or is lost. I don't think it actively checks for the host -- I > > > think > > > it just has like a five minute timer where if it doesn't see any > packets > > > from a > > > host, it assumes it is gone. > > > > > > -- Murphy > > > > > > On Thursday, May 05, 2011 06:43:00 AM karim torkmen wrote: > > > > Hi, > > > > Is there any component allowing to detect when a host detaches from > > > > the network (e.g. host failure). > > > > Unfortunately, the authenticator is able just to detect when a new > host > > > > joins the network. > > > > Thanks a lot, > > > > Karim > > > > _______________________________________________ > > > > nox-dev mailing list > > > > [email protected] > > > > http://noxrepo.org/mailman/listinfo/nox-dev > > > > > > _______________________________________________ > > > nox-dev mailing list > > > [email protected] > > > http://noxrepo.org/mailman/listinfo/nox-dev >
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