Jeroen Massar jeroen@unfix.org schrieb am 02 Sep 2008:
Anthony Uk / dataway GmbH wrote:
Here is an unusual situation seen from our network (AS 8237).
Our direct SwissIX peering with Genotec has been down for a few weeks now (can someone from Genotec contact me about this). Since then we have noticed the following effect:
If our traffic to Genotec is routed via AS 6775, then we are unable to establish an FTP connection to Genotec, although WWW works as usual.
# traceroute to gic-web-bsd-016.genotec.ch (82.195.224.116): 1-30 hops, 38 byte packets 1 ZHS08 (195.216.80.8) 0.268 ms 0.146 ms 0.115 ms 2 as6775.swissix.ch (194.242.34.40) 2.41 ms 1.57 ms 2.62 ms 3 ge0.2.border-01.iwb.ipv4.as16215.net (194.242.34.16) 2.95 ms (ttl=252!) 3.17 ms (ttl=252!) 2.48 ms (ttl=252!) 4 * * * 5 * * *
What is the route *back*, if any...
Without those details never ever even try to point fingers at anybody.
True enough.
In both cases, the return route goes through AS 13030, at least if the looking glass is to be believed.
Tracing the route to galaxia.dataway.ch (195.216.80.32)
1 gi0-1.core01.iwb1.ip4.as16215.net (82.195.245.238) 0 msec 4 msec 0 msec 2 swissix-zh.init7.net (194.242.34.7) 0 msec 12 msec 4 msec 3 r10zur1.ce.init7.net (213.144.128.6) [AS 13030] 4 msec 0 msec 8 msec 4 194.242.34.23 4 msec 0 msec 4 msec 5 galaxia.dataway.ch (195.216.80.32) [AS 8237] 0 msec 0 msec 4 msec
anthony