IBGP load balancing, equivalent routing / EBGP load balancing
BGP routing principle
When Huawei routers have multiple routes to the same destination, BGP selects routes according to the following policy sequence:
If the next hop of this route is unreachable, ignore this route
The route with the highest PrefVal is preferredThe route with the highest Local_Pref is preferredLocal originating BGP routes ar ...
Posted by mattyj10 on Tue, 08 Mar 2022 20:20:53 +0100
MPLS+BGP + static introduction of double-layer labels for CE routing
Reference reading
Experiment details: manually specify the LSP of MPLS (Huawei equipment) Detailed explanation of data level routing black hole generated by MPLS+BGP
Double label meaning
For MPLS+BGP networking, it is necessary to connect the routes between various CE S, so that two layers of label s will appear inside the public netwo ...
Posted by cuboidgraphix on Sun, 30 Jan 2022 14:04:49 +0100
BGP routing protocol ③
Solution to IBGP horizontal segmentation:
Horizontal segmentation of IBGP: when a router learns a BGP route from an IBGP peer, it will no longer announce the route information to other IBGP peers.
1. Route reflector:
Principle:
An IBGP is configured as a routing reflector (RR), and the device configured as a routing ...
Posted by kirkh34 on Sun, 30 Jan 2022 12:02:56 +0100