[Gllug] Manual arp configuration for usb networking

[salsaman]

Tethys wrote:

>Has anyone used usb networking under Linux? I have a Gumstix[1] machine
>that I've connected up to my laptop with a USB cable[2]. However, the
>two can't see each other, at least at the IP level. I've given both ends
>a static IP on 192.168.16.0/24. If I tcpdump on the laptop, I can see
>arp request coming in from the Gumstix on usb0, and replies going out.
>However, the arp table on the Gumstix isn't being updated.
>
>Any ideas on how I can manually configure the arp table on the Gumstix?
>It doesn't have the arp command, and it only has the busybox verion
>of ip, so I can't use "ip neighbour add". /proc/net/arp looks like a
>read-only interface, so I can't use that either.
>
>Any help would be gratefully appreciated.
>
>Tet
>
>[1] http://www.gumstix.org
>
>[2] Grrr. Pesky modern computers. WTF is the point of a laptop without a
>    fscking serial port? How else am I meant to fix a broken server in the
>    datacentre? Does anyone have any recommendations for USB->serial or
>    PCMCIA->serial solutions that work under Linux?
>  
>
Hi Tethys,
perhaps I am being particularly stupid, but I always thought arp was 
only needed for dhcp/dynamic ip addresses ?

I presume you have added the route with something like: /sbin/route add 
-host <pc_ip> usb0
Shouldn't that be enough ?


Gabriel.

-- 
Gllug mailing list  -  Gllug at gllug.org.uk
http://lists.gllug.org.uk/mailman/listinfo/gllug