BGP-4, exercise 4, Local peering, mutual backup, ...
Do they have a mutual backup to the EU and US, if their “International” links break?
Take care that they offer backup transit only to each other (what if US looses its link to the EU, can it still reach EU)?
Configure:
- ISP-A and ISP-B to prefer the connection via EU over their direct connection.
- ISP-EU and ISP-US to prefer the connection via ISP-A over their direct connection,