Re: [問題] linux IPv6 router 的問題
※ 引述《Paranoid (Gentoo 萬歲 !!)》之銘言:
: 1. 麻煩您把所有用 route 和 ifconfig 的指令全改為 ip。(我當初也想說沒差,但
:    後來出過靈異現象。)
: 2. 請貼兩台機器的位址表和路由表。(ip -6 addr show 和 ip -6 route show)
: 3. 如果還不行,就應該是 ASCC 那邊沒把您的 3ffe:4001:2118::/48 帶出去。
: ----------------------------------------------------------------------------
: 試試看 .....
: #!/bin/sh
: ip tunnel add ascc mode sit remote 140.109.1.6 local 203.68.42.188 ttl 255
: ip link set ascc up
: ip -6 addr add  2001:288:3b0::9f/127 dev ascc
: ip -6 route add ::/0 dev ascc
: ip -6 route add 3ffe:4001:2118::/64 dev eth1
: # Do forward packets for all interfaces
: echo "1" > /proc/sys/net/ipv6/conf/all/forwarding
我用上述的script執行了。
radvd.conf  新增了AdvRouterAddr on;
--------------------------------------
interface eth1
{
        AdvSendAdvert on;
        prefix 3ffe:4001:2118::/64
        {
                AdvOnLink on;
                AdvAutonomous on;
                AdvRouterAddr on;
        };
};
結果還是不行~~~~
linux route server 下執行
------------------------------------------------------------------------
# ip -6 addr show
1: lo: <LOOPBACK,UP> mtu 16436 qdisc noqueue
    inet6 ::1/128 scope host
 inet6 ::1/128 scope host
2: eth0: <BROADCAST,MULTICAST,UP> mtu 1500 qdisc pfifo_fast qlen 100
    inet6 fe80::2c0:a8ff:fefb:b1ab/10 scope link
3: eth1: <BROADCAST,MULTICAST,UP> mtu 1500 qdisc pfifo_fast qlen 100
    inet6 fe80::6e74:26ff:fe17:856/10 scope link
5: ascc@NONE: <POINTOPOINT,NOARP,UP> mtu 1480 qdisc noqueue
    inet6 2001:288:3b0::9f/127 scope global
    inet6 fe80::cb44:2abc/128 scope link
# ip -6 route show
2001:288:3b0::9e/127 via :: dev ascc  proto kernel  metric 256  mtu 1480 advmss
1420
3ffe:4001:2118::/64 dev eth1  metric 1024  mtu 1500 advmss 1440
fe80::/10 dev eth0  proto kernel  metric 256  mtu 1500 advmss 1440
fe80::/10 dev eth1  proto kernel  metric 256  mtu 1500 advmss 1440
fe80::/10 via :: dev ascc  proto kernel  metric 256  mtu 1480 advmss 1420
ff00::/8 dev eth0  proto kernel  metric 256  mtu 1500 advmss 1440
ff00::/8 dev eth1  proto kernel  metric 256  mtu 1500 advmss 1440
ff00::/8 dev ascc  proto kernel  metric 256  mtu 1480 advmss 1420
default dev ascc  metric 1024  mtu 1480 advmss 1420
unreachable default dev lo  metric -1  error -101
---------------------------------------------------------------------------
linux host 下執行
# tracepath6 2001:288:3b0::9e
 1?: [LOCALHOST]                      pmtu 1500
 1:  2001:288:3b0::9f                           2.801ms
 2:  2001:288:3b0::9f                         asymm  1   2.802ms pmtu 1480
 2:  no reply
 3:  no reply
# ip -6 addr show
1: lo: <LOOPBACK,UP> mtu 16436 qdisc noqueue
    inet6 ::1/128 scope host
2: eth0: <BROADCAST,MULTICAST,UP> mtu 1500 qdisc pfifo_fast qlen 100
    inet6 3ffe:4001:2118:0:6e74:a3ff:fef7:83a6/64 scope global dynamic
       valid_lft 2591707sec preferred_lft 604507sec
    inet6 fe80::6e74:a3ff:fef7:83a6/10 scope link
# ip -6 route show
3ffe:4001:2118::/64 dev eth0  proto kernel  metric 256  expires 2591662sec mtu 1
500 advmss 1440
fe80::/10 dev eth0  proto kernel  metric 256  mtu 1500 advmss 1440
ff00::/8 dev eth0  proto kernel  metric 256  mtu 1500 advmss 1440
default via fe80::6e74:26ff:fe17:856 dev eth0  proto kernel  metric 1024  expire
s 477sec mtu 1500 advmss 1440
unreachable default dev lo  metric -1  error -101
這是我另一台linux ,用的是chtt的host IPv6 addr
下面是traceroute linux router subnet下的host
# traceroute6  3ffe:4001:2118:0:6e74:a3ff:fef7:83a6
traceroute to 3ffe:4001:2118:0:6e74:a3ff:fef7:83a6 (3ffe:4001:2118:0:6e74:a3ff:f
ef7:83a6) from 3ffe:3600:1e::4bb, 30 hops max, 16 byte packets
 1  3ffe:3600:1e::4ba (3ffe:3600:1e::4ba)  13.393 ms *  13.378 ms
 2  3ffe:3600:e:100::1 (3ffe:3600:e:100::1)  14.022 ms  13.902 ms *
 3  3ffe:3600::17 (3ffe:3600::17)  266.417 ms  247.038 ms  246.695 ms
 4  c7513-gw.int.ipv6.ascc.net (2001:288:3b0::c)  365.043 ms  364.82 ms  364.704
 ms
 5  TFN-c7513.int.ipv6.ascc.net (2001:288:3b0::5b)  367.884 ms  367.598 ms  367.
836 ms
 6  c7513-TFN.int.ipv6.ascc.net (2001:288:3b0::5a)  402.244 ms  367.866 ms  379.
025 ms
就這一直重複到~~~~30
會不會是是中研院真的沒幫偶轉~~~~~?
--
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※ From  : sw66-91-225.adsl.seed.net.tw
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