On Thu, 17 Mar 2005 12:32:55 +0200 "Osama Abu Elsorour" <osama@xxxxxxxxxx> wrote: > What is the maximum number of devices that can be enslaved in a bridge > interface? > > I have tried enslaving 512 devices. Although the brctl tool did not complain > while adding them, when I use brctl show command it only shows 255. > > Thanks > Depends on the kernel version. With the 2.6 kernel and current bridge utilities, the sysfs interface (/sys) is used and it can handle a infinite number of devices because it walks the subdirectory /sys/class/net/br0/port to see the enslaved devices. The older interface was limited by the response buffer size of the ioctl.