On Tue, 24 Oct 2006 10:46:20 +0800 "Sun Zongjun-E5739C" <E5739C at 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 at osdl.org>
