Pavel Kankovsky <peakat_private> writes: >> > Perhaps the infamous "link local" 169.254.0.0/16? > A host can pick an address from this block and use it to talk to other > hosts on the same LAN (that have picked their own address of this > kind). Just curious: how do they avoid address clashes? Just rely on chance? > A nice property of these addresses (in the context of RIP testing) is that > they are not supposed to be routable. Maybe that could be a second test: if the router accept such address, this means that it is really misconfigured? > The bogus route should time out in a few minutes It is disabled after two minutes by routed (*) on Linux Gentoo, and removed ~ 30 seconds later. (*) from net-misc/netkit-routed-0.17-r3 But if there is a loop in the network, there is a risk that the bogus route will go round for a while, no? > I am not sure explicit removal will make it disappear considerably > sooner It is instantly disabled. But this may be inefficient if there is a network loop :-\ -- arboiat_private http://arboi.da.ru FAQNOPI de fr.comp.securite http://faqnopi.da.ru/
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