Category BGP
eBGP Peering
eBGP Peering ——————- We are able to peer with a tool in different Autonomous System utilizing eBGP. The AD(administrative distance) for eBGP friends is 20. By default the time-to-live(TTL) is about to 1 for eBGP classes. If a eBGP session…
BGP Reachability
BGP Reachability ================= R1 | | | R2—FR CLOUD—R6 | | | R5 Here in the above scenario R1 and R2 both connected to R6 via Frame-relay cloud and OSPF area 0 is running between all of them, and…
BGP Filtering – A nice trick to prevent being used as transit BGP AS
BGP Filtering In dual-homing network scenarios, one of the important features to implement in BGP is to prevent our BGP AS number to be used as a transit AS between two service providers. Although there are a number of methods…
BGP Default Routing
BGP Default Route Origination ============================= We can originate default route to specific BGP neighbor through route bgp [AS No.] neighbor [ip address] default-originate Note:-By doing this the Default route is originated to the BGP peer along with the other routes…