OSや負荷によって違うだろうけど、3C589Cと3C589Dの対向でpathcharかけると ↓みたいな感じ。 6Mbit/secってとこかな? % ./pathchar 192.168.1.20 pathchar to 192.168.1.20 (192.168.1.20) mtu limited to 1500 bytes at local host doing 32 probes at each of 45 sizes (64 to 1500 by 32) 0 mosrite (192.168.1.101) | 6.0 Mb/s, 442 us (2.88 ms) 1 slash (192.168.1.20) 1 hops, rtt 884 us (2.88 ms), bottleneck 6.0 Mb/s, pipe 4500 bytes