![]() ![]() When modifying policies applied to an IGP instance, the changes are propagated immediately as the filtering is done as the prefixes are installed into the routing table, not whether or not the prefixes are advertised. This is opposite of how an IGP processes policies. This is because the policies are processed against the BGP table upon establishment of the neighborship and advertisement of NLRI. In vanilla IOS, when modifying the BGP policies applied to a peering, it is required to manually clear the BGP process to allow any policy changes that affects the sending or receiving of routing updates to be applied immediately to the neighborship. ![]() BGP Policy Config with IOS and IOS-XR IOS
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