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使用GRE隧道之后无法获取traceroute信息?

  •  
  •   aveline · 2011-07-24 01:40:11 +08:00 · 3740 次点击
    这是一个创建于 4860 天前的主题,其中的信息可能已经有所发展或是发生改变。
    如题。

    [root@lab1-cn ~]# ping api.twitter.com
    PING api.twitter.com (199.59.149.232) 56(84) bytes of data.
    64 bytes from api.twitter.com (199.59.149.232): icmp_seq=1 ttl=248 time=253 ms
    64 bytes from api.twitter.com (199.59.149.232): icmp_seq=2 ttl=248 time=252 ms
    64 bytes from api.twitter.com (199.59.149.232): icmp_seq=3 ttl=248 time=254 ms
    64 bytes from api.twitter.com (199.59.149.232): icmp_seq=4 ttl=248 time=258 ms
    64 bytes from api.twitter.com (199.59.149.232): icmp_seq=5 ttl=248 time=255 ms
    64 bytes from api.twitter.com (199.59.149.232): icmp_seq=6 ttl=248 time=255 ms

    --- api.twitter.com ping statistics ---
    6 packets transmitted, 6 received, 0% packet loss, time 5001ms
    rtt min/avg/max/mdev = 252.721/255.177/258.390/1.843 ms

    [root@lab1-cn ~]# traceroute api.twitter.com
    traceroute to api.twitter.com (199.59.149.232), 30 hops max, 40 byte packets
    1 * * *
    2 * * *
    3 * * *
    4 * * *
    5 * * *
    6 *

    [root@lab1-cn ~]# route
    Kernel IP routing table
    Destination Gateway Genmask Flags Metric Ref Use Iface
    10.100.0.2 * 255.255.255.255 UH 0 0 0 tun0
    10.100.0.2 * 255.255.255.255 UH 0 0 0 tun1
    google-public-d * 255.255.255.255 UH 0 0 0 t0
    100.100.100.0 * 255.255.255.0 U 0 0 0 t0
    100.100.200.0 * 255.255.255.0 U 0 0 0 t1
    199.59.148.0 * 255.255.252.0 U 0 0 0 t1
    199.59.148.0 * 255.255.252.0 U 0 0 0 t0
    110.76.44.0 * 255.255.252.0 U 0 0 0 eth1
    10.100.0.0 10.100.0.2 255.255.0.0 UG 0 0 0 tun0
    169.254.0.0 * 255.255.0.0 U 0 0 0 eth1
    default 110.76.47.254 0.0.0.0 UG 0 0 0 eth1


    [root@lab1-cn ~]# ifconfig
    t0 Link encap:UNSPEC HWaddr 6E-4C-2F-69-00-00-00-00-00-00-00-00-00-00-00-00
    inet addr:100.100.100.100 P-t-P:100.100.100.100 Mask:255.255.255.0
    UP POINTOPOINT RUNNING NOARP MTU:1476 Metric:1
    RX packets:44021 errors:0 dropped:0 overruns:0 frame:0
    TX packets:41938 errors:0 dropped:0 overruns:0 carrier:0
    collisions:0 txqueuelen:0
    RX bytes:42076937 (40.1 MiB) TX bytes:6099836 (5.8 MiB)

    t1 Link encap:UNSPEC HWaddr 6E-4C-2F-69-00-00-00-00-00-00-00-00-00-00-00-00
    inet addr:100.100.200.100 P-t-P:100.100.200.100 Mask:255.255.255.0
    UP POINTOPOINT RUNNING NOARP MTU:1476 Metric:1
    RX packets:16294 errors:0 dropped:0 overruns:0 frame:0
    TX packets:12876 errors:0 dropped:0 overruns:0 carrier:0
    collisions:0 txqueuelen:0
    RX bytes:20032748 (19.1 MiB) TX bytes:1415587 (1.3 MiB)
    1 条回复    1970-01-01 08:00:00 +08:00
    est
        1
    est  
       2011-07-24 08:24:23 +08:00
    我的TOEFLl隧道也不能获得TracerT信息,同问
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