标题: traceroute 结果中的!A !H是什么意思? [打印本页] 作者: doofy 时间: 2007-08-22 18:03 标题: traceroute 结果中的!A !H是什么意思? 新手学TCP/IP
跟踪了下到www.baidu.com 路由
$traceroute 202.108.22.43
1 192.168.10.1 (192.168.10.1) 1.437 ms 1.312 ms 0.508 ms
2 172.30.67.29 (172.30.67.29) 2.431 ms 2.118 ms 2.010 ms
3 10.255.56.9 (10.255.56.9) 5.008 ms 3.089 ms 1.702 ms
4 218.241.239.32 (218.241.239.32) 2.508 ms 3.987 ms 3.291 ms
5 210.75.97.193 (210.75.97.193) 3.917 ms 3.717 ms 1.549 ms
6 202.99.57.149 (202.99.57.149) 2.988 ms 2.785 ms 3.233 ms
7 202.106.102.225 (202.106.102.225) 3.702 ms 3.881 ms 4.757 ms
8 202.96.13.129 (202.96.13.129) 5.020 ms 2.886 ms 2.734 ms
9 202.106.192.157 (202.106.192.157) 2.386 ms 3.460 ms 3.974 ms
10 61.148.3.58 (61.148.3.58 ) 3.239 ms 4.248 ms 3.580 ms
11 * 202.106.48.18 (202.106.48.18 ) 3.746 ms !A 2.954 ms !A
$
!A 是什么意思?
并且TTL 2 3 路由明显异常 应该属于保留ip
然后 tracerouter了下网关的外网ip
$ cat tr_gw
1 192.168.10.1 (192.168.10.1) 3.350 ms 0.599 ms 0.532 ms
2 * * *
3 192.168.10.1 (192.168.10.1) 233.763 ms !H * *
这!H又是啥意思呢
望高手带带~~
[ 本帖最后由 doofy 于 2007-8-22 18:06 编辑 ]作者: sungkung 时间: 2011-03-11 15:28
A
Administratively prohibited (example, access-list)
H
Host unreachable