BGP

BGP and Route Objects

• Most international transit providers are trying to take actions to mitigate route hijacking.

• Route object will help to pass through any security mechanisms imposed by ISPs and other Transit Providers.

Configuration

• Login to portal of Internet Address Registry that manages AS number such as APNIC

Verification

• whois -h whois.apnic.net 103.113.1.0

Reference

• https://blog.apnic.net/2019/09/11/how-to-creating-rpki-roas-in-myapnic/

• https://www.apnic.net/wp-content/uploads/2017/01/route-roa-management-guide.pdf

Troubleshooting

BGP doesn't install a route

• Synchronization is enabled and route is not known via IGP

• Next Hop is unreachable

• AS_Path include local AS

• Attempting to readvertise iBGP-learned routes to iBGP neighbors

• Rejected by Inbound Policy

Reference

• https://packetlife.net/blog/2008/nov/19/probable-reasons-bgp-isnt-installing-route/