Basic of BGP routing Protocol – A Two Napkin Protocol – Part 1
A 30-year-old protocol that still has its value: - BGP protocol. It is also called the Two Napkin Protocol (Not an official name). If I look at a bit of the history of this protocol then in 1989 when …
BGP Zero to Hero Part 8, BGP filtering methods - Cisco Learning …
Oct 1, 2022 · The BGP Prefix-Based Outbound Route Filtering feature uses Border Gateway Protocol (BGP) outbound route filter (ORF) send and receive capabilities to minimize the …
BGP Zero to Hero Part 9, AS-Path Attribute Manipulation
BGP uses the AS_PATH attribute for loop detection and avoidance. The AS_PATH attribute is a list of AS numbers that the update has traversed. BGP router adds it’s own AS number to the …
BGP - Understanding Inbound Traffic Engineering
Understanding of the BGP Best-Path selection process In order to show the various options that you have to try an manipulate how traffic enters your network I will be using the following …
BGP Zero to Hero Part 7, BGP Communities - Cisco Learning …
Feb 7, 2022 · BGP Communities are useful to solve asymmetrical customer routing problems. 2-Service providers can make an agreement with your customers on a specific policy to be …
Basic of BGP routing Protocol – A Two Napkin Protocol – Part 2
Jan 10, 2025 · BGP is scalable and stable, hence it handles millions of routes in the global routing table. There is a term called BGP free backbone, this is possible that our backbone iol-0 router …
Introduction to VXLAN and EVPN - Cisco Learning Network
Ability to discover VTEPs through BGP messaging rather than based on receiving VXLAN-encapsulated frames. This is more secure than blindly accepting all VXLAN-encapsulated …
how to view BGP neighbor status in a VRF setup
BGP show command for VRFs can become very long. You need to issue the show bgp vrf [VRF-NAME] all summary command to view the same information as you would with the show bgp …
BGP <--> OSPF route redistribution - Cisco Learning Network
May 7, 2025 · I think BGP on RTR-1 is seeing a better route in the routing table because of OSPF (Higher Weight) and never adds the OSPF routes to its BGP table. I was expecting eBGP to …
BGP Zero to Hero Part 3 , iBGP Scaling - Cisco Learning Network
In this example, the route map named bgp-to-rib denies all routes Router (config)# router bgp 100 Router (config-router-af)# table-map bgp-to-rib filter Specifies a route map that filters what …