https://www.cisco.com/c/en/us/support/docs/ip/border-gateway-protocol-bgp/15986-admin-distance.html

Note: Only the best paths received from BGP peers are propagated. Refer to BGP Best Path Selection Algorithm for more information on best path selection.

cust-R2# conf t
Enter configuration commands, one per line.  End with CNTL/Z.
cust-R2(config)# ip route 192.168.0.0 255.255.0.0 Null0
cust-R2(config)# end


What is Null route

https://en.wikipedia.org/wiki/Null_route

https://learningnetwork.cisco.com/thread/26856

Status codes: s suppressed, d damped, h history, * valid, > best, i – internal,
r RIB-failure, S Stale, m multipath, b backup-path, f RT-Filter,
x best-external, a additional-path, c RIB-compressed,
t secondary path,

http://bgpmap.sdv.fr

https://wiki.mikrotik.com/wiki/Manual:BGP_based_VPLS

https://www.cisco.com/c/en/us/support/docs/ip/border-gateway-protocol-bgp/118977-config-ebgp-00.html

https://forum.mikrotik.com/viewtopic.php?t=113314

https://wiki.mikrotik.com/wiki/Manual:Internet_access_from_VRF_with_NAT

https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/iproute_bgp/configuration/xe-16/irg-xe-16-book/vrf-aware-bgp-translate-update.html