On Thu, 11 Oct 2012 16:33:13 -0400 staticsafe <m...@staticsafe.ca> wrote:
> On 11/10/2012 4:24 PM, Panayiotis Karabassis wrote: > > Hi, > > > > I've noticed that, often, after establishing a connection to the local > > network, important entries in the ARP cache, such as that of my > > nameserver, appear as 'incomplete' and have not an associated hardware > > address. Connection to these hosts often fails. > > > > What are the possible reasons why this could happen? And is there any > > way to repopulate the ARP cache without reconnecting? How is the ARP > > cache populated in the first place? > > > > Unfortunately, I often have to reset my router, and hence LAN > > connections, because of problems with my ISP, so this problem appears > > frequently. > > > > Thanks, > > Panayiotis > > > > > > Your router usually is the one doing ARP requests (correct me please if > I'm wrong) in the format: > > "Who has x.x.x.x? Tell x.x.x.x" > with a response of > "x.x.x.x is $macaddress" I'm no expert, but my impression is that any machine which is asked to connect to some other host by IP address will issue such an ARP request, so if I do 'ping x.x.x.x', and x.x.x.x has not been recently in contact with my machine, my machine will issue an ARP request. Celejar -- To UNSUBSCRIBE, email to debian-user-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org Archive: http://lists.debian.org/20121011204737.6f243366.cele...@gmail.com
