BGP Refresher

BGP Overview It's a Path vector routing protocol, it's the Defacto standard on the Internet for inter AS(Autonomous system) routing. BGP is a classless routing protocol, supports prefix routing, regardless of the class definitions of IpV4 addressing. Classless means that the subnet mask for an IP address need not be the default mask as specified …

(e)bgp unnumbered with linux

overview clos 2 tier topology with 2 spines and 2 leaves there is an 802.3ad lacp lag / bond between leaf1 and leaf2 private asns are used, which is normal in the datacenter, both the spines would have the same asn unnumbered peering is actually achieved by the readily available link local ipv6 addresses, avoiding …