[email protected] wrote:

> [email protected] <[email protected]> [14-11-29 02:56]:
> > On 2014-11-28 18:35, [email protected] wrote:
> > >Do I really need two interfaces isb0 and usb1 with different
> > >subnets here?
> > >Or do I miss something?
> > 
> > 
> > howdy,
> > yes you do.
> > i.e.
> > PC has real-eth0="192.168.1.1/24"
> > PC has usb-eth0="192.168.2.1/24"
> > PC has usb-eth1="192.168.2.2/24"
> > sysA has usb-eth0="192.168.2.101/24"
> > sysB has usb-eth0="192.168.2.102/24"
> > 
> > from PC you want to ping 192.168.2.101, ok it pings
> > then you want to ping 192.168.2.102 and you have a cached route for 
> > 192.168.2.0/24 dev usb-eth0
> > you can get around this using policy routing but that is a bit much for 
> > what you want.
> > you can always use smaller ranges for example:
> > 
> > PC usb-eth0="192.168.2.1/25"
> > PC usb-eth1="192.168.2.129/25"
> > sysA usb-eth0="192.168.2.101/25"
> > sysB usb-eth1"192.168.2.254/25"
> > 
> > 
> Hi James, hi thegeezer
> 
> I want to summerize here what works, what dont work and what I tried
> -- sorry I am no natie english speaker and my english is not exact
> enough for such things...but well...lets see..
> 
> Current setup
> PC:
> usb0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
>         inet 192.168.10.1  netmask 255.255.255.0  broadcast 192.168.10.255
>         ether ee:6c:bc:6c:03:79  txqueuelen 1000  (Ethernet)
> 
> Arietta A:
> usb0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
>         inet 192.168.10.10  netmask 255.255.255.0  broadcast 192.168.10.255
>         inet6 fe80::215:f2ff:fe18:b030  prefixlen 64  scopeid 0x20<link>
>         ether 00:15:f2:18:b0:30  txqueuelen 1000  (Ethernet)
> 
> Arietta B:
> usb0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
>         inet 192.168.10.11  netmask 255.255.255.0  broadcast 192.168.10.255
>         inet6 fe80::215:f2ff:fe18:b030  prefixlen 64  scopeid 0x20<link>
>         ether 00:15:f2:18:b0:31  txqueuelen 1000  (Ethernet)
> 
> 
> Tried:
> (I only have one PC...)
> Only Arietta A connected to PC: Works fine -- ssh login ok
> Only Arietta B connected to PC: Works fine -- ssh login ok
> 
> Arietta A connected to PC, after it has booted Arietta B connected
> to the same (motherboard internal) usb-hub of the PC: Cant ssh to Arietta B 
> but
> can ssh to Arietta A.
> Switch result if connecting done in opposite order.
> 
> Question:
> Is one usb_0 interface on the PC enough?
> Is there something else wrong with my setup?

You can't have the same ethernet card connected to two different things
-- you have the same  ethernet address on both boards, so the poor
thing can only do the first one, you need another interface with a
different ethernet address.

-- 
Your life is like a penny.  You're going to lose it.  The question is:
How do
you spend it?

         John Covici
         [email protected]

Reply via email to