Date: Sat, 03 Jan 2009 14:24:12 -0600 From: Derek Ragona <derek@computinginnovations.com> To: "Stefan Miklosovic" <miklosovic.freebsd@gmail.com>, freebsd-questions@freebsd.org Subject: Re: two ethernet cards Message-ID: <6.0.0.22.2.20090103142240.0260e638@mail.computinginnovations.com> In-Reply-To: <f99a79ec0901021621i7024dc3dxc0c23ea173de1482@mail.gmail.co m> References: <f99a79ec0901021621i7024dc3dxc0c23ea173de1482@mail.gmail.com>
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At 06:21 PM 1/2/2009, Stefan Miklosovic wrote:
>hi
>
>i have two ethernet cards on my box
>
>uname -a
>FreeBSD dexter 7.0-RELEASE Freebsd 7.0-RELEASE #5: Fri Jan 2 21:25:21 CET
>2009 root@dexter:/usr/obj/usr/src/sys/DEXTER i386
>
>ifconfig
>rl0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
> options=8<VLAN_MTU>
> ether XX:XX:XX:XX:XX:XX
> inet 192.168.0.177 netmask 0xffffff00 broadcast 192.168.0.255
> media: Ethernet 100baseTX
> status: active
>sk0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
> options=b<RXCSUM,TXCSUM,VLAN_MTU>
> ether XX:XX:XX:XX:XX:XX
> inet 192.168.0.176 netmask 0xffffff00 broadcast 192.168.0.255
> media: Ethernet 100baseTX (100baseTX <full-duplex>)
> status: active
>lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> metric 0 mtu 16384
> inet6 fe80::1%lo0 prefixlen 64 scopeid 0x3
> inet6 ::1 prefixlen 128
> inet 127.0.0.1 netmask 0xff000000
>
>when I want to ping sk0 from eth0 on linux box, ping is ok, but this message
>appears to me in freebsd console
>
>Jan 3 01:07:39 dexter kernel: arp: 192.168.0.2 is on rl0 but got reply from
>XX:XX:XX:XX:XX:XX on sk0
>
>linux command
>ping -I eth0 192.168.0.176
>
>linux ifconfig
>
>eth0 Link encap:Ethernet HWaddr XX:XX:XX:XX:XX
> inet addr:192.168.0.2 Bcast:192.168.0.255 Mask:255.255.255.0
> inet6 addr: fe80::20a:e4ff:fef3:abb6/64 Scope:Link
> UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
> RX packets:3 errors:0 dropped:0 overruns:0 frame:0
> TX packets:88 errors:0 dropped:0 overruns:0 carrier:0
> collisions:0 txqueuelen:1000
> RX bytes:180 (180.0 B) TX bytes:11542 (11.2 KB)
> Interrupt:22 Base address:0x3000
>
>lo Link encap:Local Loopback
> inet addr:127.0.0.1 Mask:255.0.0.0
> inet6 addr: ::1/128 Scope:Host
> UP LOOPBACK RUNNING MTU:16436 Metric:1
> RX packets:416 errors:0 dropped:0 overruns:0 frame:0
> TX packets:416 errors:0 dropped:0 overruns:0 carrier:0
> collisions:0 txqueuelen:0
> RX bytes:25130 (24.5 KB) TX bytes:25130 (24.5 KB)
>
>wlan0 Link encap:Ethernet HWaddr XX:XX:XX:XX:XX:XX
> inet addr:192.168.0.173 Bcast:192.168.0.255 Mask:255.255.255.0
> inet6 addr: fe80::214:a4ff:fe79:3cbc/64 Scope:Link
> UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
> RX packets:30030 errors:0 dropped:0 overruns:0 frame:0
> TX packets:25399 errors:0 dropped:0 overruns:0 carrier:0
> collisions:0 txqueuelen:1000
> RX bytes:32882410 (31.3 MB) TX bytes:3522346 (3.3 MB)
>
>mac adres from eth0 on linux machine is same as from the error output on bsd
>
>
>
>thank you a lot
>
>stewe
With two NIC's in the same system they need to be on separate and discrete
subnets. If these are put into a dumb switch, you will still get arp
errors. You need to connect each NIC to a separate network or VLAN.
-Derek
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