BGP Communities

Traffic Engineering Communities

We use BGP Extended Communities to provide traffic-engineering control down to each ASN.

The communities below will be stripped while exporting to our transit providers and peering partners to reduce the load of control plane.

Description BGP Extended Communitiy
Don't announce to peering partners        rt, 65009, 65100
Don't announce to transit providers       rt, 65009, 65000
Announce to specific AS               rt, 65000, ASN
Don't announce to specific AS             rt, 65009, ASN
Prepend 1x to specific AS              rt, 65001, ASN
Prepend 2x to specific AS                 rt, 65002, ASN
Prepend 3x to specific AS                 rt, 65003, ASN

For example, use the communities below if you want to disable all our transit providers excluding Lumen:

bgp_ext_community.add((rt, 65009, 65000));
bgp_ext_community.add((rt, 65000, 3356));

BGP Communities supported by our transit providers

Not all of our transit providers have it in public.

Please contact us for access to these documents if you need them.