RE: [isp-bgp] IX core - public or private ASN?

["James Jun" <james@...>]

Is this a layer-2 exchange or layer-3?  In North America and Europe, most
IXes are layer-2 where participants peer with each other and IX has no say
in each participant's specific routing policy.  However, often in other
countries, we see "layer-3 IX", which the IX basically acts like a transit
provider in essence.

Simplest way to setup a layer-2 IX:

1. Install a switch (preferably a switch that supports 802.1Q and various
SP-like features e.g. Cisco, but for low-budget starters, even a decent
netgear would do for temporary start).

2. Allocate a peering LAN block (ie. www.ep.net, and request a block + pay
bill, or RIPE and ARIN have similar service, see "critical infrastructure
assignment")

3. put together a couple PCs running Zebra or recycled cisco boxes for
route-servers if you want people to do MLPA.  Most exchanges do not prefer
MLPA peering (neither do I), and people often just get away with one server
for 'route collection' and statistical purposes.


James


James Jun
IP Infrastructure & Technology Services
TowardEX Technologies, Inc.
WWW: http://www.towardex.com
Email: james@...
Office: +1 (617) 459-4051 Ext. 179
Mobile: +1 (978) 394-2867

> -----Original Message-----
> From: Aliaga, Luis Carlos - (Per) [mailto:luis.aliaga@...]
> Sent: Friday, March 24, 2006 9:26 AM
> To: isp-bgp@isp-bgp.com
> Subject: [isp-bgp] IX core - public or private ASN?
> 
> 
> Hello,
> 
> I'm Luis form Peru and i'm writing to the list regarding the
> implementation of a new arquitecture for the Peruvian IX. We're going to
> implement a two-router core running iBGP peering with each of the ISP's
> routers (e-bgp), so we are discussing the advantajes and disadvantages
> of using a private or public ASN for the IX's core.
> 
> I'd like to have some feedback about it from you.
> 
> I'd appreciate any suggestion
> 
> Regards
> 
> Luis
> 
> _______________ 

 ______________



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