I have seen asymmetric routing occurring with certain ISP's at the exchanges (and it is still going on). I have always assumed that was due to capacity issues. If it's for political reasons, I (We) would certainly like to hear from any ISP's who would like to arrange private peering at APE or WIX. Cheers, Bill -----Original Message----- From: Andy Linton [mailto:asjl(a)lpnz.org] Sent: Wednesday, 24 September 2008 8:45 a.m. To: nznog(a)list.waikato.ac.nz Subject: Re: [nznog] Solarix - Peering on APE I sent this to Craig directly when I wanted you all to see it (:-) On Wed, Sep 24, 2008 at 8:43 AM, Andy Linton wrote:

On Tue, Sep 23, 2008 at 7:35 PM, Craig Spiers wrote:

...

Hi All,

We are now peering on APE. Those wishing to peer with us directly, please contact me off list.

I would strongly suggest it.. as it appears that most people seem to have an advertise all, accept none policy in regards to the route servers.

If that's the case then it's kind of disappointing. Arranging to have assymetric routing would seem to rather defeat the object of peering with the route servers.

All the route servers operate a strong policy of only importing the routes that peers have said they'll advertise and exporting the union of those sets minus default and a list of bogons as defined on the Team Cymru website.

It's quite easy to look at what the route servers are importing and exporting wrt a particular AS on the Looking Glass page at http://nzix.net

Of course that doesn't tell anyone if a particular peer is running an "accept none" policy. You'd have to wonder if anyone who does this will make a better fist of getting a bilateral peering set up any better.

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