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When you are studying for the BSCI assessment on the solution to earning your CCNP accreditation, you have surely got to learn the use of BGP attributes. These capabilities enable you to change the road or paths that BGP use to reach a given destination when multiple paths to that destination occur. Within this free BGP training, we are planning to take a peek in the NEXT_HOP characteristic. Discover extra information on a related web page by browsing to linklicious basic. Maybe you are considering "hey, how complicated may this credit be?" It's not to complex at all, but this being Cisco, there's got to be at least one unusual aspect about it, right? The NEXT_HOP attribute is easy enough - this attribute indicates the next-hop INTERNET protocol address that should be taken to attain a spot. In the following instance, R1 is a centre modem and R3 and R2 are spokes. All three routers come in BGP AS 100, with R1 having a relationship with both R2 and R3. There's no BGP peering between R3 and R2. R3 is advertising the community 33.3.0.0 /24 via BGP, and the importance of the feature on R1 is the IP address on R3 that is used in the peer relationship, 172.12.123.3. If you are concerned with protection, you will probably hate to check up about linklicious works. The issue using the attribute comes in when the route is marketed to BGP peers. If R3 were in a separate AS from R1 and R2, R1 would then advertise the route to R2 with the next-hop attribute set to 172.12.123.3. Whenever a BGP speaker advertises a path to iBGP colleagues that has been initially learned from an eBGP peer, the value is stored. Here, all three routers come in AS 100. What will the feature be set to when R1 advertises the approach to its iBGP neighbor R2? R2#show internet protocol address bgp < no productivity > There will be no next-hop feature for the route on R2, because the route will not appear on R2. If you are interested in food, you will perhaps desire to read about linklicious seo. Automagically, a route won't be advertised by a BGP speaker to iBGP neighbors when the route was initially learned from another iBGP neighbor. For further information, we recommend people check-out linklicious.me tutorial. Fortunately for all of us, there are lots of ways around this concept. The most common is the use of route reflectors, and we'll look at RRs in the next free BGP article..