公司各设备之间光口互联，设置点对点地址，测试ping不丢包，但traceroute，就会丢一个包，而且所有互联都这样，测了几个设备都是，不太明白原因，求赐教。
Interface IP-Address OK? Method Status Protocol
GigabitEthernet1/1 10.0.60.5 YES NVRAM up up
GigabitEthernet1/2 10.0.60.29 YES manual up up
GigabitEthernet1/3 unassigned YES NVRAM down down
GigabitEthernet1/4 unassigned YES manual down down
GigabitEthernet1/5 YES NVRAM down down
GigabitEthernet1/6 YES manual administratively down down
GigabitEthernet1/7 10.0.60.17 YES manual up up
GigabitEthernet1/8 unassigned YES manual up up
JT-a#traceroute 10.0.60.6
Type escape sequence to abort.
Tracing the route to 10.0.60.6
1 10.0.60.6 0 msec * 0 msec
JT-a#traceroute 10.0.60.18
Type escape sequence to abort.
Tracing the route to 10.0.60.18
1 10.0.60.18 4 msec * 4 msec
JT-a#tr 10.0.60.30
Type escape sequence to abort.
Tracing the route to 10.0.60.30
1 10.0.60.30 0 msec * 0 msec
JT-a#ping 10.0.60.30
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 10.0.60.30, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 1/1/4 ms
JT-a#ping 10.0.60.18
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 10.0.60.18, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 1/1/1 ms
JT-a#ping 10.0.60.6
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 10.0.60.6, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 1/1/1 ms
