On Tue, 24 Oct 2006 10:46:20 +0800
"Sun Zongjun-E5739C" <E5739C@motorola.com> wrote:
>
> Hi
>
> I intent to use brctl to bridge two devices on linux box. One is eth0,
> the other is USB net which is recognized as usb0 by linux box.
>
> Then I run following command
>
> # ifconfig eth0 down
> # ifconfig usb0 down
> # brctt addbr ipbr
> # brctl addif ipbr eth0
> # brctl addif ipbr usb0
>
> # ifconfig eth0 up
> # ifconfig eth0 0.0.0.0
> # ifconfig usb0 up
> # ifconfig usb0 0.0.0.0
>
> # ifconfig ipv6 up
>
> eth0 usb0
> 192.168.16.2
> Box1<----------------> Linux bridge <---------------------->
Box
>
> Then I connet another device into the eth0 interface of bridge. Its ip
> address is 192.168.16.1, the device on the othe end of usb lan is
> 192.168.16.2
>
> When I ping 192.168.16.2 from 192.168.16.1. The tcpdump on bridge is
> message of ARP "who has 192.168.16.2 tell 192.168.16.1", but I
neve see
> the ARP reply why?
>
> Thanks
> Best Regards
>
You forgot to bring ipbr up in your example?
Unless ipv6 is a typo for ipbr
Are the mac addresses being picked up?
You probably want to set forwarding delay to 0 (or wait 30 secs)
before testing.
# brctl setfd ipbr 0
--
Stephen Hemminger <shemminger@osdl.org>