Date: Tue, 7 Aug 2012 16:04:17 +0200 From: Jacques Fourie <jacques.fourie@gmail.com> To: Eugene Grosbein <egrosbein@rdtc.ru> Cc: "net@freebsd.org" <net@freebsd.org> Subject: Re: Send traffic to itself using real NIC Message-ID: <CALX0vxBvhsSxf6CyrboW6gomSC5cJMyLizihcH1-%2BwRfT2w-Lw@mail.gmail.com> In-Reply-To: <50211DF0.2090607@rdtc.ru> References: <50211DF0.2090607@rdtc.ru>
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On Tue, Aug 7, 2012 at 3:53 PM, Eugene Grosbein <egrosbein@rdtc.ru> wrote: > Hi! > > I'd like to run some stability tests for some L2-transparent > gigabit ethernet network hardware I've got. > > I have one spare FreeBSD 9.1-PRERELEASE with two-ports igb(4) card > and connected both ports using my L2 hardward making a loop. > > Is it possible to configure FreeBSD in such way so it would send > IP traffic for itself not via loopback interface but via igb0/igb1? > > I've tried to utilize multiple FIBs: > > sysctl net.add_addr_allfibs=0 > ifconfig igb0 inet 10.0.0.1/24 mtu 9126 > ifconfig igb1 inet 10.0.1.1/24 mtu 9126 > setfib 1 route -q flush > setfib 1 route add 10.0.1.1/32 -iface igb1 > setfib 2 route -q flush > setfib 2 route add 10.0.0.1/32 -iface igb0 > > But "setfib 1 ping -S 10.0.0.1 10.0.1.1" still runs via lo0 (and has no answer). > > The only way I've got working is unidirectional stream of packets > generated with ng_source(4) (patched due to kern/120304) that shows me 10% packet loss > (using netstat -I to see how many packets got through). > > I would really like using normal TCP/UDP/ICMP streams in addition of ng_source tests. > > Eugene Grosbein > _______________________________________________ > freebsd-net@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-net > To unsubscribe, send any mail to "freebsd-net-unsubscribe@freebsd.org" You can try using a VIMAGE enabled kernel and jails using epair(4) as the network interface. Bridge the epair interfaces on the host to igb0/igb1 and you should be able to communicate between the two jails via igb0 and igb1.
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