Hello This is fragment from logs files: Mar 26 20:19:57 r3 /kernel: ifq_len? -60 Mar 26 20:20:22 r3 /kernel: What it exactly means? 20 minutes later router (m7i with 6.4R3.4) has stopped forward packets beetwen interfaces (at-0/0/0 at0/1/0 and ge-1). -- Lukasz Trabinski