Hi Rene! You write excellent articles about networking!
I have just started learn BGP, and there is question that bother me. I attached screenshot from some site, and as you can this is wireshark capture. Router sends bgp packets “OPEN Message, KEEPALIVE Message” and “KEEPALIVE Message, KEEPALIVE Message”. Meaning there are two messages in one packets. Why BGP process do that? I test that and in very beginning of bgp session initiation routers send “update message, update message” (meaning there are two update messages in one packet) to each other.
