如果你ping得地址是没错的话 应该是没问题的啊

linux下跑这个挺快的嘛

#!/bin/bash
STEP=32
IP=127.0.0.
for ((i=1;i<256;i=i+STEP))
do
    echo ping $IP$i
    for ((j=i;j<i+STEP&&j<256;j++))
    do
        ping $IP$j -c 1 -W 1 > $j.txt &
    done
    # sleep 1
done
cat /dev/null > result.txt
for ((i=1;i<256;i++))
do
    cat $i.txt >> result.txt
done

[root@kel tmp]# cat result.txt
PING 127.0.0.1 (127.0.0.1) 56(84) bytes of data.
64 bytes from 127.0.0.1: icmp_req=1 ttl=64 time=0.077 ms
--- 127.0.0.1 ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 0.077/0.077/0.077/0.000 ms
PING 127.0.0.2 (127.0.0.2) 56(84) bytes of data.
64 bytes from 127.0.0.2: icmp_req=1 ttl=64 time=0.029 ms
--- 127.0.0.2 ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 0.029/0.029/0.029/0.000 ms
PING 127.0.0.3 (127.0.0.3) 56(84) bytes of data.
64 bytes from 127.0.0.3: icmp_req=1 ttl=64 time=0.053 ms
--- 127.0.0.3 ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 0.053/0.053/0.053/0.000 ms
PING 127.0.0.4 (127.0.0.4) 56(84) bytes of data.
64 bytes from 127.0.0.4: icmp_req=1 ttl=64 time=0.030 ms
--- 127.0.0.4 ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 0.030/0.030/0.030/0.000 ms
PING 127.0.0.5 (127.0.0.5) 56(84) bytes of data.
64 bytes from 127.0.0.5: icmp_req=1 ttl=64 time=0.029 ms
--- 127.0.0.5 ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 0.029/0.029/0.029/0.000 ms
PING 127.0.0.6 (127.0.0.6) 56(84) bytes of data.
64 bytes from 127.0.0.6: icmp_req=1 ttl=64 time=0.032 ms
--- 127.0.0.6 ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 0.032/0.032/0.032/0.000 ms
PING 127.0.0.7 (127.0.0.7) 56(84) bytes of data.
64 bytes from 127.0.0.7: icmp_req=1 ttl=64 time=0.050 ms
--- 127.0.0.7 ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 0.050/0.050/0.050/0.000 ms
PING 127.0.0.8 (127.0.0.8) 56(84) bytes of data.
64 bytes from 127.0.0.8: icmp_req=1 ttl=64 time=0.041 ms
--- 127.0.0.8 ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 0.041/0.041/0.041/0.000 ms
PING 127.0.0.9 (127.0.0.9) 56(84) bytes of data.
64 bytes from 127.0.0.9: icmp_req=1 ttl=64 time=0.034 ms
--- 127.0.0.9 ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 0.034/0.034/0.034/0.000 ms
PING 127.0.0.10 (127.0.0.10) 56(84) bytes of data.
64 bytes from 127.0.0.10: icmp_req=1 ttl=64 time=0.027 ms
--- 127.0.0.10 ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 0.027/0.027/0.027/0.000 ms
PING 127.0.0.11 (127.0.0.11) 56(84) bytes of data.
64 bytes from 127.0.0.11: icmp_req=1 ttl=64 time=0.026 ms
--- 127.0.0.11 ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 0.026/0.026/0.026/0.000 ms
PING 127.0.0.12 (127.0.0.12) 56(84) bytes of data.
64 bytes from 127.0.0.12: icmp_req=1 ttl=64 time=0.056 ms
--- 127.0.0.12 ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 0.056/0.056/0.056/0.000 ms
PING 127.0.0.13 (127.0.0.13) 56(84) bytes of data.
64 bytes from 127.0.0.13: icmp_req=1 ttl=64 time=0.027 ms
--- 127.0.0.13 ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 0.027/0.027/0.027/0.000 ms
PING 127.0.0.14 (127.0.0.14) 56(84) bytes of data.
64 bytes from 127.0.0.14: icmp_req=1 ttl=64 time=0.030 ms
--- 127.0.0.14 ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 0.030/0.030/0.030/0.000 ms
PING 127.0.0.15 (127.0.0.15) 56(84) bytes of data.
64 bytes from 127.0.0.15: icmp_req=1 ttl=64 time=0.026 ms
--- 127.0.0.15 ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 0.026/0.026/0.026/0.000 ms
PING 127.0.0.16 (127.0.0.16) 56(84) bytes of data.
64 bytes from 127.0.0.16: icmp_req=1 ttl=64 time=0.047 ms
--- 127.0.0.16 ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 0.047/0.047/0.047/0.000 ms
PING 127.0.0.17 (127.0.0.17) 56(84) bytes of data.
64 bytes from 127.0.0.17: icmp_req=1 ttl=64 time=0.033 ms
--- 127.0.0.17 ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 0.033/0.033/0.033/0.000 ms
PING 127.0.0.18 (127.0.0.18) 56(84) bytes of data.
64 bytes from 127.0.0.18: icmp_req=1 ttl=64 time=0.025 ms
--- 127.0.0.18 ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 0.025/0.025/0.025/0.000 ms
PING 127.0.0.19 (127.0.0.19) 56(84) bytes of data.
64 bytes from 127.0.0.19: icmp_req=1 ttl=64 time=0.033 ms
--- 127.0.0.19 ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 0.033/0.033/0.033/0.000 ms
PING 127.0.0.20 (127.0.0.20) 56(84) bytes of data.
64 bytes from 127.0.0.20: icmp_req=1 ttl=64 time=0.026 ms
--- 127.0.0.20 ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 0.026/0.026/0.026/0.000 ms
PING 127.0.0.21 (127.0.0.21) 56(84) bytes of data.
64 bytes from 127.0.0.21: icmp_req=1 ttl=64 time=0.027 ms
--- 127.0.0.21 ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 0.027/0.027/0.027/0.000 ms
PING 127.0.0.22 (127.0.0.22) 56(84) bytes of data.
64 bytes from 127.0.0.22: icmp_req=1 ttl=64 time=0.026 ms
--- 127.0.0.22 ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 0.026/0.026/0.026/0.000 ms
PING 127.0.0.23 (127.0.0.23) 56(84) bytes of data.
64 bytes from 127.0.0.23: icmp_req=1 ttl=64 time=0.027 ms
--- 127.0.0.23 ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 0.027/0.027/0.027/0.000 ms
PING 127.0.0.24 (127.0.0.24) 56(84) bytes of data.
64 bytes from 127.0.0.24: icmp_req=1 ttl=64 time=0.060 ms
--- 127.0.0.24 ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 0.060/0.060/0.060/0.000 ms
PING 127.0.0.25 (127.0.0.25) 56(84) bytes of data.
64 bytes from 127.0.0.25: icmp_req=1 ttl=64 time=0.034 ms
--- 127.0.0.25 ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 0.034/0.034/0.034/0.000 ms
PING 127.0.0.26 (127.0.0.26) 56(84) bytes of data.
64 bytes from 127.0.0.26: icmp_req=1 ttl=64 time=0.029 ms
--- 127.0.0.26 ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 0.029/0.029/0.029/0.000 ms
PING 127.0.0.27 (127.0.0.27) 56(84) bytes of data.
64 bytes from 127.0.0.27: icmp_req=1 ttl=64 time=0.032 ms
--- 127.0.0.27 ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 0.032/0.032/0.032/0.000 ms
PING 127.0.0.28 (127.0.0.28) 56(84) bytes of data.
64 bytes from 127.0.0.28: icmp_req=1 ttl=64 time=0.031 ms
--- 127.0.0.28 ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 0.031/0.031/0.031/0.000 ms
PING 127.0.0.29 (127.0.0.29) 56(84) bytes of data.
64 bytes from 127.0.0.29: icmp_req=1 ttl=64 time=0.028 ms
--- 127.0.0.29 ping statistics ---
后面省略

像 11楼 那样，把它们放到后台慢慢 ping 去就行了，相当于是同时开了多个 ping。
没想过这个问题，感觉 ping 一般不是用来干这个的。另外那几个程序我也没研究过。学习了。

这里面应该有太多编程方面的细节要理解了，

感觉这个问题问的太早了，

可能自己都不知道这个问题能牵扯出多大一箩筐问题出来

比如用raw socket自己组装packet

怎样并行发送包之类吧

这么个东西用C多累呀。
直接Perl



看看我写得这个Perl快不快，直接多线程解决并发。

[ 本帖最后由 iFreeBSD 于 2012-8-22 23:57 编辑 ]

收到的鲜花

• madfrogme 于 2012-08-23 06:57 送鲜花  6朵  

膜拜楼上。

大牛明白我想问什么，认真阅读代码，非常感谢