ROUTERBOARD 1000 CRASH

Hi all,

I have RB1000 running PPPOE server on 2 interface, one in eth3 and one in eth4 and eth1 is connected to the backbone,
by the way we have about 300 users, after somethimes, someday, when want go see active users or use
ppp active print from=[/ppp active find name xxxx]

suddnly all pppoe users disconnect and i have to reboot the RB1000!

it is ROS 3.30 on it