Index: tools/tools/netmap/bridge.c
===================================================================
--- tools/tools/netmap/bridge.c
+++ tools/tools/netmap/bridge.c
@@ -68,6 +68,7 @@
 	      u_int limit, const char *msg)
 {
 	u_int j, k, m = 0;
+	u_int pkt_len = 0;
 
 	/* print a warning if any of the ring flags is set (e.g. NM_REINIT) */
 	if (rxring->flags || txring->flags)
@@ -103,21 +104,32 @@
 		}
 		ts->len = rs->len;
 		if (zerocopy) {
-			uint32_t pkt = ts->buf_idx;
+			uint32_t flags, pkt;
+			pkt = ts->buf_idx;
 			ts->buf_idx = rs->buf_idx;
 			rs->buf_idx = pkt;
 			/* report the buffer change. */
 			ts->flags |= NS_BUF_CHANGED;
 			rs->flags |= NS_BUF_CHANGED;
 			/* copy the NS_MOREFRAG */
+			flags = rs->flags;
 			rs->flags = (rs->flags & ~NS_MOREFRAG) | (ts->flags & NS_MOREFRAG);
+			ts->flags = (ts->flags & ~NS_MOREFRAG) | (flags & NS_MOREFRAG);
+			j = nm_ring_next(rxring, j);
+			k = nm_ring_next(txring, k);
 		} else {
 			char *rxbuf = NETMAP_BUF(rxring, rs->buf_idx);
 			char *txbuf = NETMAP_BUF(txring, ts->buf_idx);
-			nm_pkt_copy(rxbuf, txbuf, ts->len);
+			nm_pkt_copy(rxbuf, txbuf + pkt_len, ts->len);
+			pkt_len += ts->len;
+
+			j = nm_ring_next(rxring, j);
+			if (!(rs->flags & NS_MOREFRAG)) {
+				ts->len = pkt_len;
+				k = nm_ring_next(txring, k);
+				pkt_len = 0;
+			}
 		}
-		j = nm_ring_next(rxring, j);
-		k = nm_ring_next(txring, k);
 	}
 	rxring->head = rxring->cur = j;
 	txring->head = txring->cur = k;