Re: "ip neigh show" not showing arp cache entries?

[Patrick McHardy]

Chris Friesen wrote:
> Patrick McHardy wrote:
>
> >  From a kernel perspective there are only complete dumps, the
> > filtering is done by iproute. So the fact that it shows them
> > when querying specifically implies there is a bug in the
> > iproute neighbour filter. Does it work if you omit "all"
> > from the ip neigh show command?
>
> Omitting "all" gives identical results.  It is still missing entries 
> when compared with the output of "arp".


In that case the easiest way to debug this is probably if you
add some debugging to ip/ipneigh.c:print_neigh() since I'm
unable to reproduce this problem. A printf for all the filter
conditions (=> return 0) at the top should do.

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