Mailinglist Archive: opensuse (3513 mails)

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Re: [opensuse] Re: Intermittent network access problem
  • From: "Hugo Palma" <hugo.m.palma@xxxxxxxxx>
  • Date: Thu, 8 Jan 2009 15:38:18 +0000
  • Message-id: <e8ca20260901080738u4a828d1al3c98e28d6096ff5@xxxxxxxxxxxxxx>
I know, but like you say, i was talking about the network process on
the linux box doing that and not relying on the dhcp server to check
it.
How do i test that ? I'm neither a linux or network expert user, just
know the concepts.

On Thu, Jan 8, 2009 at 3:10 PM, James Knott <james.knott@xxxxxxxxxx> wrote:

Hugo Palma wrote:

Can't the process that requests the IP from the DHCP server use ARP to
check if the returned IP is already taken just before registering
itself with that IP ?

As I mentioned earlier, the DHCP server may already do that, when first
issuing an address. However, the OP was running into problems when he
already had a valid IP address, which someone was then manually assigning to
another computer. In this case, the computer would be asking itself. How
far down the stack will the arp request for your own address go?

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