Date: Fri, 27 Jun 2008 08:33:37 -0400 From: Steve Bertrand <steve@ibctech.ca> To: Peter Jeremy <peterjeremy@optushome.com.au> Cc: freebsd-net@freebsd.org, Giulio Ferro <auryn@zirakzigil.org> Subject: Re: SOLVED (was Re: Problem clarification (was: Problems with vlan + carp + alias)) Message-ID: <4864DE21.2030109@ibctech.ca> In-Reply-To: <20080627072301.GZ50631@server.vk2pj.dyndns.org> References: <486000B5.9090703@zirakzigil.org> <4862B2AF.70202@zirakzigil.org> <48630AA3.3000800@ibctech.ca> <4863F6B3.4020308@zirakzigil.org> <20080627072301.GZ50631@server.vk2pj.dyndns.org>
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Peter Jeremy wrote: > On 2008-Jun-26 22:06:11 +0200, Giulio Ferro <auryn@zirakzigil.org> wrote: >> I guess what I could do was to "poison" their arp cache for each >> address with a "is-at" message. Is there a way to force the sending >> of these messages for all the addresses of an interface? > > The kernel should send out gratuitous ARP requests whenever you assign > an address to an interface. You could confirm that this is happening > by tcpdumping the interface whilst you add aliases. > > Rummaging around in ports, you might find net/arping or net/p5-Net-ARP > useful if you want to manually generate gratuitous ARP requests. ping -S src_addr should do the trick too, however, that obviously doesn't scale very well, so it's probably only best to test with.. Steve
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