From owner-freebsd-net Fri Jun 7 1:43:10 2002 Delivered-To: freebsd-net@freebsd.org Received: from mail.otel.net (gw3.OTEL.net [212.36.8.151]) by hub.freebsd.org (Postfix) with ESMTP id 2D33D37B403 for ; Fri, 7 Jun 2002 01:43:00 -0700 (PDT) Received: from judicator.otel.net ([212.36.9.113]) by mail.otel.net with esmtp (Exim 3.36 #1) id 17GFKY-000Chz-00; Fri, 07 Jun 2002 11:42:46 +0300 Date: Fri, 7 Jun 2002 11:42:46 +0300 (EEST) From: Iasen Kostov To: Marko Zec Cc: "Vladimir B. Grebenschikov" , Subject: Re: [HELP] IPless VLAN interfaces In-Reply-To: <3CFFAD41.441C0E@tel.fer.hr> Message-ID: <20020607113439.V32865-100000@shadowhand.OTEL.net> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=X-UNKNOWN Content-Transfer-Encoding: QUOTED-PRINTABLE Sender: owner-freebsd-net@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.org On Thu, 6 Jun 2002, Marko Zec wrote: > "Vladimir B. Grebenschikov" wrote: > > > =F7 Thu, 06.06.2002, =D7 18:48, Marko Zec =CE=C1=D0=C9=D3=C1=CC: > > > > > > # ifconfig fxp0 1.1.1.1/24 > > > > # ifconfig vlan0 1.1.1.1/32 > > > > # ifconfig vlan1 1.1.1.1/32 > > > > # ifconfig vlan2 1.1.1.1/32 > > > > > > This will never work - you can't have the same IP address/mask on mor= e than > > > one interface. > > > > Sure ? Do have try cut and paste my example into xterm ? > > > > vbook#/sys/i386/compile/VBOOK 142_> ifconfig -a > > lo0: flags=3D8049 mtu 16384 > > inet 127.0.0.1 netmask 0xff000000 > > fxp0: flags=3D8843 mtu 1500 > > inet 192.168.1.111 netmask 0xffffff00 broadcast 192.168.1.255 > > ether 08:00:46:04:31:b3 > > media: Ethernet autoselect (100baseTX) > > status: active > > vbook#/sys/i386/compile/VBOOK 143_> ifconfig lo0 1.1.1.1/32 alias > > vbook#/sys/i386/compile/VBOOK 144_> ifconfig fxp0 1.1.1.1/32 alias > > vbook#/sys/i386/compile/VBOOK 145_> uname -a > > FreeBSD vbook.express.ru 5.0-CURRENT FreeBSD 5.0-CURRENT #3: Fri May 24 > > 15:49:21 MSD 2002 > > root@vbook.express.ru:/usr/obj/usr/local/src/sys/VBOOK i386 > > vbook#/sys/i386/compile/VBOOK 147_> ifconfig -a > > lo0: flags=3D8049 mtu 16384 > > inet 127.0.0.1 netmask 0xff000000 > > inet 1.1.1.1 netmask 0xffffffff > > fxp0: flags=3D8843 mtu 1500 > > inet 192.168.1.111 netmask 0xffffff00 broadcast 192.168.1.255 > > inet 1.1.1.1 netmask 0xffffffff broadcast 1.1.1.1 > > ether 08:00:46:04:31:b3 > > media: Ethernet autoselect (100baseTX) > > status: active > > > > Both addresses are work: > > > > vbook#/sys/i386/compile/VBOOK 153_> ping -R -S 1.1.1.1 127.0.0.1 > > PING 127.0.0.1 (127.0.0.1) from 1.1.1.1: 56 data bytes > > 64 bytes from 127.0.0.1: icmp_seq=3D0 ttl=3D64 time=3D0.167 ms > > RR: localhost (127.0.0.1) > > 1.1.1.1 > > 64 bytes from 127.0.0.1: icmp_seq=3D1 ttl=3D64 time=3D0.150 ms (= same > > route) > > vbook#/sys/i386/compile/VBOOK 154_> ping -n -R -S 1.1.1.1 192.168.1.109 > > PING 192.168.1.109 (192.168.1.109) from 1.1.1.1: 56 data bytes > > 64 bytes from 192.168.1.109: icmp_seq=3D0 ttl=3D64 time=3D1.836 ms > > RR: 192.168.1.109 > > 1.1.1.1 > > 64 bytes from 192.168.1.109: icmp_seq=3D1 ttl=3D64 time=3D1.600 ms (= same > > route) > > > > (use loopback not best way to do this, but you can try any interface) > > > > > What OS are you running? > > > > # uname -a > > FreeBSD vbook.express.ru 5.0-CURRENT FreeBSD 5.0-CURRENT #3: Fri May 24 > > 15:49:21 MSD 2002 > > root@vbook.express.ru:/usr/obj/usr/local/src/sys/VBOOK i386 > > > > Same setup works well on 4-STABLE > > In your original post, you were suggesting to put the same IP/mask on dif= ferent > "real" interfaces, not loopback. Could you pls. try to create a couple of= vlan > interfaces (ifconfig vlan0 create...), than configure them with the same = IP > addresses/masks as you suggested earlier, and show us the results of this > procedure? On my 4.6-RC system, such thing just don't work, thanks God. > > Marko > xl0: flags=3D8943 mtu 1500 options=3D3 inet 212.36.9.113 netmask 0xfffffe00 broadcast 212.36.9.255 ether 00:04:76:1b:cb:72 media: Ethernet autoselect (100baseTX ) status: active xl1: flags=3D8843 mtu 1500 options=3D3 inet 212.36.9.113 netmask 0xffffffff broadcast 212.36.9.113 ether 00:50:da:5b:b2:64 media: Ethernet autoselect (100baseTX ) status: active xl2: flags=3D8843 mtu 1500 options=3D3 inet 212.36.9.113 netmask 0xffffffff broadcast 212.36.9.113 ether 00:04:76:22:16:92 media: Ethernet autoselect (10baseT/UTP) status: active xl3: flags=3D8843 mtu 1500 options=3D3 inet 212.36.9.113 netmask 0xffffffff broadcast 212.36.9.113 ether 00:04:76:22:16:97 media: Ethernet autoselect (none) status: no carrier xl4: flags=3D8843 mtu 1500 options=3D3 inet 212.36.9.113 netmask 0xffffffff broadcast 212.36.9.113 ether 00:10:4b:b8:65:2c media: Ethernet autoselect (10baseT/UTP) status: active xl5: flags=3D8843 mtu 1500 options=3D3 inet 212.36.9.113 netmask 0xffffffff broadcast 212.36.9.113 ether 00:04:76:22:15:83 media: Ethernet autoselect (100baseTX) status: active As you see ip and mask are the same on 5 interfaces - it is realy realy working productional router. FreeBSD ShadoW.OTEL.net 4.5-STABLE FreeBSD 4.5-STABLE #3: Wed Apr 17 11:36:16 EE ST 2002 root@ShadoW.OTEL.net:/usr/src/sys/compile/SH-GW i386 Of course I can do that and on 4.6-RC. Just a little patch in netinet/in.c . And I wander who and why he put this "route addition check" when kernel tries to set host route for the interface. Before it works perfect with just a warring. And I realy need it to be that way. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-net" in the body of the message