broken routing from ietf due to stale routes..

fd97202@bits-pilani.ac.in fd97202@bits-pilani.ac.in
Thu, 30 Mar 2000 20:54:47 +0530 (IST)


Hi,
   Can u please say what all those '*'s mean in ping...


-Deepak	


On Wed, 29 Mar 2000, Bill Sommerfeld wrote:

> Pardon the scattershot nature of this..
> 
> I was able to get "home" to 3ffe:1ce1::/32 from IETF earlier in the
> week but it appears that it's broken at the moment..  
> 
> I'm seeing an apparent routing loop:
> 
> % traceroute6 hydra.hamachi.org.
> traceroute to hydra.hamachi.org (3ffe:1ce1:0:fe01:2a0:ccff:fe3d:86d), 30 hops max, 12 byte packets
>  1  2001:210:1:2:2d0:baff:fe0e:5df0  97.407 ms  98.844 ms *
>  2  3ffe:b00:c18:502::1  427.993 ms  510.237 ms  507.608 ms
>  3  3ffe:b00:c18::11  819.231 ms * *
>  4  * * 3ffe:31ff:0:ffff::11  1397.85 ms
>  5  * * 3ffe:3600::b  1370.59 ms
>  6  3ffe:2100:1:9:0:c46:b898:e  1518.53 ms *  1553.94 ms
>  7  pao-6r1-if.6r1.cambridge.ip6.pipex.net  1637.93 ms  1841.65 ms  1640.81 ms
>  8  * cisco-if.6r1.paloalto.ip6.pipex.net  1663.44 ms  1636.38 ms
>  9  * * *
> 10  * * *
> 11  3ffe:b00:c18::11  1882.54 ms *  1743.73 ms
> 12  3ffe:31ff:0:ffff::11  2349.23 ms * pao-6r1-if.6r1.cambridge.ip6.pipex.net  1972.6 ms
> 13  * cisco-if.6r1.paloalto.ip6.pipex.net  1956.88 ms *
> 14  * * *
> 15  * * 3ffe:1b00:0:ffff::f004  2759.76 ms
> 16  * * *
> 17  * * *
> 18  3ffe:3600::b  3055.94 ms * *
> 19  3ffe:2100:1:9:0:c46:b898:e  3204.05 ms  2972.77 ms  2872.28 ms
> 20  * * pao-6r1-if.6r1.cambridge.ip6.pipex.net  2809.26 ms
> 21  cisco-if.6r1.paloalto.ip6.pipex.net  2784.63 ms * *
> 
> 3ffe:1ce1::/32 is announced from MIT (AS3) only to MERIT.    
> 
> There appear to be a few dozen stale more-specific routes from MERIT
> listed in http://carmen.cselt.it/ipv6/bgp/odd-routes2.html,
> 3ffe:1ce1::/32 being one of them..
> 
> The AS path shown in that web page:
> 
> 	UUNET-UK - UL - RCCN - RNP - CISCO - ISI-LAP - SPACENET-D - SMS -
> 	AS2839 - TELEBIT - CHTTL-TW - ETRI - JOIN - IPF - CAIRN - MERIT
> 
> Anyone in a position to clear these up?  Thanks..
> 
> 					- Bill
> 
>