Messages in this thread | | | Date | Tue, 11 May 1999 13:00:48 -0400 (EDT) | From | "Richard B. Johnson" <> | Subject | Re: Suggestion(?): new ioctl: "resolve hw address and update arp cache" |
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On Tue, 11 May 1999, Ralf Baechle wrote:
> On Mon, May 10, 1999 at 09:25:53PM +0100, Alan Cox wrote: > > > > There could be a new ioctl which returns the arp entry for an ip address > > > even if it's not in arp cache? If it's not in cache then kernel could send > > > a arp message and find it out. Or perhaps it could be better to include it > > > > So could your application ... > > I think he is interested in doing this in an atomic fashion which doesn't > really make sense either. > > Ralf >
Any attempt to communicate with another network node, if successful, will result in an arp-cache entry that takes some time to expire. However, that entry may be the hardware address of a router or even a smart switch.
Cheers, Dick Johnson ***** FILE SYSTEM WAS MODIFIED ***** Penguin : Linux version 2.2.6 on an i686 machine (400.59 BogoMips). Warning : It's hard to remain at the trailing edge of technology.
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