multiple logical interfaces

[Jerry Jensen]

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

--- . at 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<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
> 
> _______________________________________________
> freebsd-net at freebsd.org mailing list
>
http://lists.freebsd.org/mailman/listinfo/freebsd-net
> To unsubscribe, send any mail to
"freebsd-net-unsubscribe at freebsd.org"


__________________________________
Do you Yahoo!?
Yahoo! Search - Find what you’re looking for faster
http://search.yahoo.com