From owner-freebsd-net@FreeBSD.ORG Sat Mar 6 22:06:35 2004 Return-Path: Delivered-To: freebsd-net@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 5F0F816A4CE for ; Sat, 6 Mar 2004 22:06:35 -0800 (PST) Received: from web41802.mail.yahoo.com (web41802.mail.yahoo.com [66.218.93.136]) by mx1.FreeBSD.org (Postfix) with SMTP id 4FFF543D1F for ; Sat, 6 Mar 2004 22:06:35 -0800 (PST) (envelope-from youknicks@yahoo.com) Message-ID: <20040307060634.65073.qmail@web41802.mail.yahoo.com> Received: from [24.6.220.149] by web41802.mail.yahoo.com via HTTP; Sat, 06 Mar 2004 22:06:34 PST Date: Sat, 6 Mar 2004 22:06:34 -0800 (PST) From: Jerry Jensen To: "."@babolo.ru In-Reply-To: <1078631320.114327.16335.nullmailer@cicuta.babolo.ru> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii cc: freebsd-net@freebsd.org Subject: Re: multiple logical interfaces X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 07 Mar 2004 06:06:35 -0000 Actually, what I want is the equivalent of this (which is in Linux) on FreeBSD. Note the ip address associated with each of the logical interfaces (lo:XX). eth0 Link encap:Ethernet HWaddr 00:06:5B:19:55:EE inet addr:10.2.1.122 Bcast:10.255.255.255 Mask:255.0.0.0 UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:5903525 errors:0 dropped:0 overruns:0 frame:0 TX packets:5337692 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 Interrupt:16 Base address:0xecc0 Memory:fe2ff000-fe2ff038 eth1 Link encap:Ethernet HWaddr 00:06:5B:19:55:EF inet addr:192.168.6.122 Bcast:192.168.6.255 Mask:255.255.255.0 UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:1818518022 errors:2 dropped:0 overruns:263 frame:2 TX packets:1182175968 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 Interrupt:17 Base address:0xec80 Memory:fe2fe000-fe2fe038 lo Link encap:Local Loopback inet addr:127.0.0.1 Mask:255.0.0.0 UP LOOPBACK RUNNING MTU:16436 Metric:1 RX packets:199 errors:0 dropped:0 overruns:0 frame:0 TX packets:199 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 lo:10 Link encap:Local Loopback inet addr:202.175.33.10 Mask:255.255.255.255 UP LOOPBACK RUNNING MTU:16436 Metric:1 lo:11 Link encap:Local Loopback inet addr:193.65.100.99 Mask:255.255.255.255 UP LOOPBACK RUNNING MTU:16436 Metric:1 lo:12 Link encap:Local Loopback inet addr:193.65.100.100 Mask:255.255.255.255 UP LOOPBACK RUNNING MTU:16436 Metric:1 lo:13 Link encap:Local Loopback inet addr:210.183.28.42 Mask:255.255.255.255 UP LOOPBACK RUNNING MTU:16436 Metric:1 --- .@babolo.ru wrote: > > is it possible in freebsd to have multiple logical > > interfaces associated with say the loopback > interface? > > if so, how does one do this programmatically (as > > opposed to from the command line). > > > > need this for building traffic generators that > need to > > simulate a bunch of different ip sources. solaris > > allows it as does linux i believe. > > thx. > Is it what you want? > > > ifconfig -a | grep lo > lo0: flags=8049 mtu > 16384 > inet6 fe80::1%lo0 prefixlen 64 scopeid 0xa > lo1: flags=8049 mtu > 16384 > lo2: flags=8008 mtu 16384 > lo3: flags=8008 mtu 16384 > > If it is, there is from kernel config: > > > grep loop /sys/i386/conf/garkin > pseudo-device loop 4 # Network loopback > > _______________________________________________ > 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" __________________________________ Do you Yahoo!? Yahoo! Search - Find what you’re looking for faster http://search.yahoo.com