BGP No-Export Community

BGP No-Export ensures prefixes to not get advertised outside of an AS. In the diagram below, I’m going to configure R2 to advertise the 100.100.100.0/24 network to R3 using the no-export community so that R3 does not advertise this to R4. Let’s jump on R4 to ensure the prefix has been received. R4#sh ip bgp … Continue reading BGP No-Export Community