[AusNOG] steering inbound BGP (Telstra)

[Ben]

This is usually how things work.  You may be able to get Telstra traffic down to a dribble
compared to other traffic, but you're not going to be able to get rid of all traffic.

Even with international you can hit issues with one upstream having a local preference that
bypasses any amount of prepending, like if one upstream has level3 and the other ntt via level3
then level3 traffic will all go to the one where level3 is a paying customer.

It gets messy, as some providers like at&t seem to want to route via cogent, if any cogent routes
are advertised.

You may be able to get Telstra to not advertise your routes domestically, but they're still likely
to use them for their own traffic.

Ben.

On Mon, Feb 17, 2014 at 02:59:15AM +0000, Chris Gibbs wrote:
>    Hey all,
> 
>     
> 
>    We currently utilise Telstra Internet Direct services for our primary
>    inbound for AS38236, I would like to move to using Telstra as the least
>    preferred and swap to another provider for inbound.
> 
>     
> 
>    When I tested the swap, the majority of domestic looking glasses were
>    confirming inbound through our preferred inbound. However Telstra always
>    seems to prefer their own routes instead of peer learnt; even after
>    setting either as-prepend or MED. A Telstra engineer confirmed this.
> 
>     
> 
>    My question is pretty much is there any other way to steer inbound traffic
>    to us through Telstra? (without grabbing a /23 and advertising more
>    specific 2 x /24s or using communities, which Telstra doesn't support)
> 
>     
> 
>    The only other alternative would be to swap providers at our DR site, and
>    we originally had issues getting a service installed there.
> 
>     
> 
>    Does anyone also know if this is the default behaviour through Telstra
>    Wholesale Internet?
> 
>     
> 
>    Cheers ,
> 
>                           Chris Gibbs                                         
>                           Network and Security Engineer | Information         
>                           Management & Technology                             
>     Gosford City Council  Gosford City Council                                
>                  Website  (PO Box 21)                                         
>                           Gosford NSW 2250                                    
>                           P  (02) 43258888                                    
>                           M  0408 222 496                                     
>                           E  Chris.Gibbs at gosford.nsw.gov.au                   
> 
>                                                                               
>      [IMG]         ilikemygosford[IMG]          mygosford  gosford.nsw.gov.au
>      
> 
>    Think Before You Print                                             
> 
>     
> 
>     
> 
>      ----------------------------------------------------------------------
> 
>    The information contained in this email may be confidential.
>    You should only disclose, re-transmit, copy, distribute, act in reliance
>    on or commercialise the information if you are authorised to do so.
>    Gosford City Council does not represent, warrant or guarantee that the
>    communication is free of errors, virus or interference.
> 
>    Gosford City Council complies with the Privacy and
>    Personal Information Protection Act (1998). See Council's Privacy
>    Statement
> 
>      ----------------------------------------------------------------------







> _______________________________________________
> AusNOG mailing list
> AusNOG at lists.ausnog.net
> http://lists.ausnog.net/mailman/listinfo/ausnog