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Re: Need help from UUNet's routing specialist!

  • From: Dmitry S. Esakov
  • Date: Thu Dec 09 12:21:04 1999

On Thu, 9 Dec 1999, Erik-Jan Bos wrote:

> Dmitry,
> 
> > We (as8470) are Teleglobe customer. And we experience terrible
> > delays on Teleglobe to UUNet interconnect points. Teleglobe's customer
> > support engineers insist, that the problem caused by UUNet's routes
> > prioritization.
> > But I belive that this assymetric routing initiated by Teleglobe, not
> > UUNet. 
> 
> We are a TGO customer as well and we do not see the problem. Here's a
> traceroute:
> 
> surgeon bos % date
> Thu Dec  9 18:10:43 CET 1999
> 
> surgeon bos % traceroute www.uu.net
> traceroute to www.uu.net (208.243.117.123): 1-30 hops, 38 byte packets
>  1  surroute.surfnet.nl (192.87.109.1)  0.554 ms  0.441 ms  0.399 ms
>  2  AR1.Utrecht.surf.net (145.41.49.161)  101 ms  2.28 ms  1.82 ms

[cut]

> 14  260.GW1.TCO3.customer.ALTER.NET (157.130.33.222)  220 ms  112 ms  136 ms
> 15  prod-334a.tco3.web.uu.net (208.243.113.236)  92.7 ms  *  88.3 ms
> 
> Perhaps this is fixed?

No, it's not. We're fighting for 2 weeks already :(
BTW, we're plugged into TG in NY...

> 
> > Could you please send me 'sh ip bgp 195.128.65.33' performed at
> > Serial3-1-1.GW1.DCA3.ALTER.NET (157.130.39.89). 
> > 
> > I am expecting to see communities or MEDs set at TG router that lowres
> > route priority and makes traffic to go back via _Seattle_Denver_Chicago_NY_.
> > Any help is _greatly_ appreciated!
> > 
> > ---------------------
> > Example of delays:
> > ---------------------
> > nyy-1#trace        
> > Protocol [ip]:      
> > Target IP address: www.uu.net   
> > Translating "www.uu.net"...domain server (195.128.64.3) [OK]
> > 
> > Source address: 195.128.65.33 
> > Loose, Strict, Record, Timestamp, Verbose[none]: 
> > Type escape sequence to abort.
> > Tracing the route to www.uu.net (208.243.117.123)
> > 
> > 1 if-0-1-0.bb6.NewYork.Teleglobe.net (207.45.205.13) [AS 6453] 0 msec 0 msec
>  0 msec
> > 2 if-3-0.core2.nqt.Teleglobe.net (207.45.221.98) [AS 6453] 4 msec 0 msec 0 m
> sec
> > 3 if-1-0.core1.Washington.Teleglobe.net (207.45.223.170) [AS 6453] 8 msec 4 
> msec 8 msec
> > 4 if-2-0-0.bb1.Washington.Teleglobe.net (207.45.221.228) [AS 6453] 8 msec 4 
> msec 8 msec
> > 5 Serial3-1-1.GW1.DCA3.ALTER.NET (157.130.39.89) [AS 701] 1356 msec 1152 mse
> c 1180 msec
> >                                                     ^^^^^^^^^^^^^^^^^^
> >                                                          !!!!!!!!!!!
> > 
> > 6 110.ATM3-0.XR1.DCA1.ALTER.NET (146.188.161.54) [AS 701] 1048 msec 1144 mse
> c 1136 msec
> > 7 195.ATM8-0-0.GW1.DCA1.ALTER.NET (146.188.161.17) [AS 701] 1172 msec 1036 m
> sec 1244 msec
> > 8 260.GW1.TCO3.customer.ALTER.NET (157.130.33.222) [AS 701] 876 msec 788 mse
> c 812 msec
> > 9 prod-334a.tco3.web.uu.net (208.243.113.236) [AS 11486] 1112 msec
> > [cut]
> > 
> > 
> > 
> > Serial3-1-1.GW1.DCA3.ALTER.NET (157.130.39.89)
> 
> __
>  
> Erik-Jan Bos
> Manager Network Services SURFnet
> The Netherlands, Europe
> 

----------------   
Have a nice day!
Esakov Dmitriy, Macomnet Internet Dpt.






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