Wednesday, October 7, 2020

ebgp neighbor peer private ip class

hi and first of all sorry but not exaclty a senior net eng, so...

i am struggling to understand if it is possible to use a private (ex. 192.168.0./30) class for the dmz network between my bgp router and the isp bgp router, i already own a public /24 all mine and i am an AS and i want to use my isp only as a transit.

the isp insists that i must buy from it a public /28 from them just to assign to that connection (my wan eth side to its wan eth side, it's a point to point)...buy why?

if i use a loopback ip and not annouce that private class inside my net or the bgp, isn't it practically confinated to that dmz link and invisible to the rest of the world?

is it somethink about best practices i am missing?



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