Hi all,
We are currently announcing the Corsican Internet subnet
(44.190.11.0/24) via a Vultr VPS ($5/mo), which is one of the
cheapest and easiest way I know. We have an iBGP (internal)
session with them, and they announce our addresses from their
public AS.
We are developing the network on our island. We'd like to have
redundant BGP announcement from two different locations and/or
from two different providers. We have several BGP capable
providers.
Questions :
- Does that mean we need to have our own AS number ?
Short answer: yes.
- If so, what's the best way to obtain such an AS number ? Does
ARDC provide public AS numbers ? Or do we have to get one from
regular Internet LIR ?
ARDC do not provide ASNs, you will need to obtain one from a LIR.
- If so, does that mean I won't be able to use Vultr anymore
(because Vultr announces our IPs from their AS, and AFAIK, they do
not allow to announce from our own AS) ?
IIRC Vultr will allow you to announce to them from your own ASN if you have one, otherwise they issue you with a private ASN, however the announcement has to come from one of their VMs, so how you would then route the prefix to another provider for announcement could get interesting.
It’s possible with tunnels I guess, but the traditional way would be to have your own BGP edge router in a datacenter and hook up feeds from two transit providers. Doing it this way also gives you the option of peering with multiple other networks, if you’re in a carrier neutral datacenter.
73,