e means EGP which was the successor of BGP and which is deprecated for a long time now.
So wheter the prefix is advertised by an iBGP or eBGP peer the origin code can only be i ( advertised via a network command) or ? ( redistributed). The only way to get an e code is to set it in a route-map.
We are pleased to announce availability of Beta software for 16.6.3. 16.6.3 will be the second rebuild on the 16.6 release train targeted towards Catalyst 9500/9400/9300/3850/3650 switching platforms. We are looking for early feedback from custome...