Feature Information for Configuring BGP Neighbor Session Options.Example: Enabling TCP Path MTU Discovery for a Single BGP Neighbor.Example: Enabling TCP Path MTU Discovery Globally for All BGP Sessions.Example: Disabling TCP Path MTU Discovery for a Single BGP Neighbor.Example: Disabling TCP Path MTU Discovery Globally for All BGP Sessions.Examples: Configuring BGP Support for TCP Path MTU Discovery per Session.Example: Configuring the TTL-Security Check.Example: Configuring BFD for a BGP IPv6 Neighbor.Example: Configuring Selective Address Tracking for Fast Session Deactivation.Example: Configuring Fast Session Deactivation for a BGP Neighbor.Configuration Examples for BGP Neighbor Session Options.Enabling TCP Path MTU Discovery for a Single BGP Neighbor.Enabling TCP Path MTU Discovery Globally for All BGP Sessions.Disabling TCP Path MTU Discovery for a Single BGP Neighbor.Disabling TCP Path MTU Discovery Globally for All BGP Sessions.Configuring BGP Support for TCP Path MTU Discovery per Session.Configuring the TTL Security Check for BGP Neighbor Sessions.Configuring Selective Address Tracking for Fast Session Deactivation.Configuring Fast Session Deactivation for a BGP Neighbor.How to Configure BGP Neighbor Session Options.BGP Support for TCP Path MTU Discovery per Session.Benefits of the BGP Support for TTL Security Check. TTL Security Check Support for Multihop BGP Neighbor Sessions.TTL Security Check for BGP Neighbor Sessions.Selective Address Tracking for BGP Fast Session Deactivation.BGP Support for Fast Peering Session Deactivation.Information About Configuring BGP Neighbor Session Options.Configuring BGP Neighbor Session Options.Must advertise a loopback summary to all the Spokes (10.200.0.0/14 in the snippet below), so that they can resolve each other's routes. Must enable set recursive-next-hop enable. Single neighbor-group for all Spokes and terminated on the Loopback. There is no need to configure any tunnel IPs-that is, no IPs on the interfaces EDGE_ISP1 and EDGE_MPLS. config system settingsĬonfigure IKE to automatically inject the static route to reach the Loopback on all the Dial-Up phase1-interfaces towards the Spokes: config vpn ipsec phase1-interface As a result, the BGP session will be unable to switchover to another overlay uponĬonfigure a unique Location ID. In Firewall Policy configuration, must add a rule to permit incoming health probes destined to the Loopback for the ADVPN shortcut monitoring: config firewall policyĬonfigure Loopback to be used for BGP termination: config system interfaceĭO NOT use the same loopback as Spokes' health-check server! Using the same loopback is not supported, because the healh-check routes are statically injected on the Spokes, and they remain even when the respective overlay is down. In SD-WAN Member configuration, must set set source on all the overlays, to ensure that the Loopback IP is used as a source of health probes: config system sdwan Single neighbor per Hub (using the Hub's Loopback) and terminated on the LoopbackĪpply the above-configured route-maps on ingress for each Hub. There is no need to configure any tunnel IPs-that is no IPs on the interfaces H1_ISP1, H1_MPLS, H2_ISP1 and H2_MPLS.Ĭonfigure the route-maps to apply a different tag per Hub: config router route-map (Best practice is to use Loopback.) config system settingsĬonfigure IKE to automatically inject the static route to reach the Loopback on all the phase1-interfaces towards the Hub: config vpn ipsec phase1-interface This topic includes reference configurations for the following components:Ĭonfigure Loopback to be used for BGP termination and for ADVPN shortcut monitoring: config system interfaceĬonfigure a unique Location ID. Topologies with interconnected transports Preparing Provisioning Templates for projects
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