CCN2 link xe-0/0/1 → peer: router-b.core2 (CCN2 state: UP) Seq 1: ok (0.312 ms) Seq 2: ok (0.298 ms) Seq 3: loss (link congestion flag set) ... Bidirectional check: PASS Min/Avg/Max (us): 298 / 311 / 412 Hardware timestamp diff: +2 us (asymmetric ok)
Notice the – that’s a CCN2 extension where the remote router signals egress queue pressure inside the reply probe. mrchecker ccn2 link
