Date: Sun, 7 Mar 2004 06:48:40 +0300 (MSK) From: "."@babolo.ru To: Jerry Jensen <youknicks@yahoo.com> Cc: freebsd-net@freebsd.org Subject: Re: multiple logical interfaces Message-ID: <1078631320.114327.16335.nullmailer@cicuta.babolo.ru> In-Reply-To: <20040306221357.68128.qmail@web41813.mail.yahoo.com>
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> 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<UP,LOOPBACK,RUNNING,MULTICAST> mtu 16384
inet6 fe80::1%lo0 prefixlen 64 scopeid 0xa
lo1: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> mtu 16384
lo2: flags=8008<LOOPBACK,MULTICAST> mtu 16384
lo3: flags=8008<LOOPBACK,MULTICAST> mtu 16384
If it is, there is from kernel config:
> grep loop /sys/i386/conf/garkin
pseudo-device loop 4 # Network loopback
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