![]() ![]() If the nonclient neighbor the route was received from does Thisīehavior includes a neighbor that is not a client of the speaker. If the received route had no CLUSTER_LIST attribute, the RR creates a new CLUSTER_LIST attribute with that cluster ID. MCID-Before reflecting a route, the RR appends the cluster ID of the neighbor the route was received from to the CLUSTER_LIST. If the received route had noĬLUSTER_LIST attribute, the RR creates a new CLUSTER_LIST attribute with that global cluster ID. ![]() IDs feature was implemented MCID refers to the behavior of software released after the feature was implemented.Ĭlassic-Before reflecting a route, the RR appends the global cluster ID to the CLUSTER_LIST. Classic refers to the behavior of software released before the multiple cluster The CLUSTER_LIST behavior is described below. The same is true for loop prevention based Generated before or after the BGP-Multiple Cluster IDs feature was implemented. The CLUSTER_LIST propagation rules differ among releases, depending on whether the device is running a Cisco software release Is Used.” Disabling client-to-client reflection is described in the section “Behaviors When Disabling Client-to-Client Route The loop prevention mechanism and the CLUSTER_LIST propagation rules are described in the section “How a CLUSTER_LIST Attribute The network administrator can disable client-to-client route reflection based on cluster ID, which allows the network design The loop prevention mechanism based on the CLUSTER_LIST attribute is automatically modified to take into account multiple Neighbor cluster-id router configuration command), the following two changes occur: When a cluster ID is configured per neighbor (by the ![]() Prior to this feature, an RR had a single, global cluster ID, which was configuredīgp cluster-id router configuration command. A single cluster ID can beĪssigned to two or more iBGP neighbors. An RR can have a cluster ID configured on a global basis and a per-neighbor basis. The BGP-Multiple Cluster IDs feature allows a route reflector (RR) to belong to multiple clusters, and therefore have multipleĬluster IDs. Information About BGP-Multiple Cluster IDs Benefit of Multiple Cluster IDs Per Route Reflector Use Cisco Feature Navigator to find information about platform support and Cisco software image support. To find information about the features documented in this module,Īnd to see a list of the releases in which each feature is supported, see the feature information table at the end of this For the latest caveats and feature information,īug Search Tool and the release notes for your platform and software release. Your software release may not support all the features documented in this module.
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