12/18/2023 0 Comments Cisco bgp route reflector![]() ![]() Paths: (1 available, best #1, table Global-IPv6-Table) In Router A: show bgp ipv6 unicast IPv6 prefix !- Ping to the RRClient1 from RRClient2 is successful Success rate is 100 percent (5/5), round-trip min/avg/max = 40/50/76 ms Via 2011:22:22:22::22 !- The iBGP route from RRClient1 is reflected !- Ping to the RRClient2 from RRClient1 is successful In RRClient2 Success rate is 100 percent (5/5), round-trip min/avg/max = 16/24/32 ms Via 2011:33:33:33::33 !- The iBGP route from RRClient2 is reflected ON1 - OSPF NSSA ext 1, ON2 - OSPF NSSA ext 2 O - OSPF intra, OI - OSPF inter, OE1 - OSPF ext 1, OE2 - OSPF ext 2 I1 - ISIS L1, I2 - ISIS L2, IA - ISIS interarea, IS - ISIS summary ![]() These show commands are used to verify the configuration:Ĭodes: C - Connected, L - Local, S - Static, R - RIP, B - BGP Use the OIT to view an analysis of show command output. The Output Interpreter Tool ( registered customers only) (OIT) supports certain show commands. Use this section to confirm that your configuration works properly. !- Router ID of the route reflector router A! !- Configures the router RRClient2 as route reflector client! !- Configures the router RRClient1 as route reflector client! Note: Use the Command Lookup Tool ( registered customers only) in order to find more information on the commands used in this document. Instead, it uses the BGP RR feature in order to communicate with each other. All the routers are configured to be in AS 100, although the routers do not have full mesh configuration. In this example, Router A is configured as RR and the routers RRClient1 and RRClient2 are the clients of Router A. Refer to Cisco Technical Tips Conventions for more information on document conventions. The configurations in this document are based on the Cisco 3700 Series Router with Cisco IOS ® Software Release 12.4 (15)T1. This document is not restricted to specific software and hardware versions. Have an understanding of the IPv6 Addressing scheme Have an understanding of BGP routing protocol and its operation Make sure that you meet these requirements before you attempt this configuration: The router is said to be a Route Reflector when configured with the neighbor route-reflector-client command and the neighbors at which the command points are the clients of that RR. Using BGP route reflectors leads to much higher levels of scalability.Ĭonfiguring route reflector allows a router to advertise or reflect the iBGP learned routes to other iBGP speakers. By default, the routes received from an iBGP peer are not sent to another iBGP peer unless a full mesh configuration is formed between all the BGP routers within an AS. ![]() This document provides a sample configuration using IPv6 that helps you understand the Route Reflector (RR) feature in Border Gateway Protocol (BGP). ![]()
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