Internal bgp and upstream gateway



  • so i have a /22 network. my ISP provides me with a default gateway.
    so i can configure ip's on boxes/vm's and they are reachable from the internet.

    i wish to run bgp internal cause i desire to run an application that run exclusively on BGP.
    so my idea was as following.
    configure bgp to use /27.
    so i picked a segment within my public ip range. that i wanne use with bgp.
    and configured the following.

    --ISP GW <--> pfsense <--> bgp to nodes.

    which means(i think) that pfsense need to accounce ARP on my switch so the default gateway knows tha traffic for ip X should be send to pfsense which internly will send it on over bgp to nodes.

    the pfsense has 2 interfaces a WAN and a LAN.

    would this be doable?/is this making any sense at all.


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