Basics of a BGP route
Seen from output of “sh ip bgp”
Prefix and mask — what IP addresses are we talking about?
- 192.168.0.0/16 or 192.168.0.0/255.255.0.0
Origin – How did the route originally get into BGP?
- “?” — incomplete, “e” — EGP, “i” — IGP
AS Path – what ASes did the route go through before it got to us?