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Author Topic: 16 or 32 bit AS number?  (Read 2971 times)


  • Newbie
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16 or 32 bit AS number?
« on: October 14, 2011, 06:27:13 AM »

I remember reading in the past that HE only supported 16 bit ASN on the tunnelbroker service and that anyone wanting to setup BGP peering couldn't use a 32 bit ASN.

Is this still the case?

My organization is preparing an application (RIPE Area) and the form asks if a 16 bit ASN is essential.  Should we be trying to get a 16 bit ASN (will be difficult/near impossible) so we can peer with HE or does HE support 32 bit ASN now?




  • Network Architect
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  • Posts: 66
Re: 16 or 32 bit AS number?
« Reply #1 on: October 14, 2011, 11:43:23 AM »

Tunnelbroker now supports both 16-bit and 32-bit ASNs, so you should have no problem using a 32-bit ASN to setup a BGP tunnel.