The value of tBgpPeerNgASOverride specifies if the service
provider BGP will override the customer AS number in the ASPATH
with its own AS number.
A value of 'true' means the service provider BGP will override the
customer AS number in the ASPATH with its own AS number.
Without this feature there could be scenarios where multiple CE
locations belonging to the same AS will not be able to communicate due
to a potential loop detection.