Concept is very simple, GRE tunnels source and destination must be reachable via any means for GRE tunnels to work.
IP address on GRE tunnels can be unnumbered to other physical or loopback interface or can be configured with static (ip address i.i.i.i m.m.m.m.m). I prefer to use static /30 or /31 IP, make life easier to confirm GRE tunnels works by ping test to remote end IP.
Can use any valid IP (private or public - depends on requirement).
Hi I have this primary configuration on the primary CSR Router in the HA
mode in same AZ but I am not seeing failover to secondary CSR I am
seeing on the backup router that the API call was successful. 10 10 Actv
success Thu Jun 9 18:13:50 2016 syslog app...
In today’s modern networks the interaction between applications and
network infrastructures is increasingly important for service providers,
content providers and enterprise businesses. The more network operators
can interact with the network the more opt...