Describes how to configure route control policies in ACI to manage, filter, and manipulate route advertisements and reception between the ACI fabric and external networks.
This chapter contains the following sections:
Route control profile policies
Explains how route control profile policies and action rule profiles apply route-map set clauses to routes that enter or leave the ACI fabric.
Route control
Explains how subnet scope and aggregation options control route advertisement, route sharing between VRFs, and contract enforcement for external subnets.
Route control per BGP peer
Explains how route control policies apply import and export rules to individual BGP peers and how support has changed across APIC releases.
Route control profiles
Explains how a route control profile policy organizes ordered match and set rules and generates route maps for route filtering on an L3Out.
Explicit Prefix List Support for Route Control Profiles
Explains how explicit prefix lists select routes for import and export policies in a Route Control Profile policy for an L3Out.
Match Rules
Explains how match rules use prefixes, communities, and aggregation parameters to select routes for filtering or redistribution by a route map.
Set Rules
Defines the policies required to manage set rules associated with explicit prefixes. These rules ensure that attributes such as community and tag are correctly applied to network traffic.
Aggregation Support for Explicit Prefix Lists
Explains how prefix aggregation matches multiple subnets with one explicit prefix-list entry and how catch-all entries behave in different route-control contexts.
Route Map Guidelines and Limitations
Lists the configuration methods, naming limits, protocol support, management-tool restrictions, and per-peer alternatives for route maps associated with an L3Out.
Configure a Route Control Profile with an Explicit Prefix List Using the GUI
Creates an explicit prefix match rule and adds it to a Route Control Profile policy for route filtering on an L3Out.
Import and export route control
Explains how import and export route-control policies manage routes received from or advertised to external BGP and OSPF peers through an L3Out.
Configure import and export route control using the GUI
Creates import and export route control profile policies for an L3Out and enables policy enforcement through the Cisco APIC GUI.
Interleak redistribution for MP-BGP
Explains how border leaf switches redistribute eligible L3Out routes into the MP-BGP IPv4 and IPv6 address families for distribution across the ACI fabric.
Configure a Route Map for Interleak Redistribution Using the GUI
Creates a tenant Route Control Profile policy that filters routes or sets attributes when eligible L3Out routes are redistributed into MP-BGP.
Apply a route map for interleak redistribution using the GUI
Applies a route control profile policy to customize the redistribution of OSPF, EIGRP, or static routes from a specific L3Out into MP-BGP.
Explains how route control policies apply import and export rules to individual BGP peers and how support has changed across APIC releases.