Here's a simple way to crash brctl (Fedora 8's brctl and tonight's git tree): [root at grok2 brctl]# ./brctl addbr bridge [root at grok2 brctl]# ./brctl show bridge name bridge id STP enabled interfaces . Segmentation fault (core dumped) Take it easy, Ben -- Ben Greear <greearb at candelatech.com> Candela Technologies Inc http://www.candelatech.com