MitchDrage opened a new issue, #14687:
URL: https://github.com/apache/cloudstack/issues/14687

   ### The required feature described as a wish
   
   As an operator I would like VPC owners to run BGP between the VR and their 
own routers over a private gateway, so they can connect their on-prem networks 
with dynamic failover. As an example, we have two high-speed peering links into 
a cloud exchange such as Megaport, and we carve out a VLAN on each for a 
customer's virtual cross connects. Each VLAN becomes a private gateway on the 
customer's VPC, so the customer has two paths to their own routers. Today they 
need static routes per gateway, which can't fail over between the two links.
   
   The idea is a routing option on the private gateway. Static would keep 
today's static routes. BGP would take the peer AS, a password, the prefixes the 
peer may announce, a max-prefix limit and timers or BFD, with the peer address 
taken from the gateway itself. The VR would accept only the declared prefixes 
from that peer and announce only the VPC tiers to it. That keeps it separate 
from the operator peers and the upstream route-maps from #9964. It should work 
for NATTED VPCs as well as ROUTED ones, so I think it builds on #12811, which 
opens dynamic routing to NATTED offerings for IPv6.


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