今天在单位上看3560状态，出现了以下参数：
5 minute input rate 631000 bits/sec, 173 packets/sec
5 minute output rate 1634000 bits/sec, 230 packets/sec
7383260 packets input, 3394115033 bytes, 0 no buffer
Received 44828 broadcasts (44828 multicasts)
0 runts, 0 giants, 0 throttles
0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored
0 watchdog, 44828 multicast, 0 pause input
0 input packets with dribble condition de
9652591 packets output, 8955349528 bytes, 0 underruns
0 output errors, 15281 collisions, 1 interface resets
请问红色字体代表什么意义？是什么原因造成的呢，15281 冲撞？, 1 interface resets