Route Server Filters at IXPs and 4-byte ASNs

Job Snijders job.snijders at
Sat Jan 25 15:18:59 UTC 2014

On Sat, Jan 25, 2014 at 10:04:30AM -0500, Bryan Socha wrote:
> I have over 100,000 servers located in routing diverse datacenters
> with 4byte ASN numbers and have not had 1 problem or complaint related
> to the ASN for not able to communicate with the datacenter.  The first
> 1 did make me really nervous for all of the reasons already mentioned
> but turned out to be a non-issue.

This thread is not about reachability of prefixes announced by 4-byte
ASNs. This thread is about prefix filtering on Route Servers at Internet

> While it would be nice to see community string support increase to 4byte, I
> think this is more of an educational challenge for the IXPs on how to setup
> your community strings to work and not really a technical problem.

Can you elaborate on how you would setup 'community strings'?

Kind regards,

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