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BGP Template

Use the BGP template to apply BGP configurations per segment to all appliances in the SD-WAN fabric.

  1. Under the Common settings for all segments header, complete the following fields:

    Field Description
    Max route updates per peer The maximum number of route updates for each peer running route loop detection. The default value is 10, and the range is 5–100.
    Detection interval The interval, in minutes, at which route advertisement loop detection runs. A route advertisement loop occurs when the same route is being advertised, removed, and re-advertised repeatedly within a short time period. The default value is 15, and the range is 1–60.
  2. Click the edit icon next to the segment for which you want to modify the configuration.

  3. Configure the following elements as needed:

    Field Description
    AS Path Propagate Select Yes to enable this appliance to send the full AS path associated with a prefix to other routers and appliances, avoiding routing loops. This will provide the learned path from an external prepend between a remote BGP site to local BGP peers.
    Graceful Restart Select Yes to enable receiver-side graceful restart capability. EdgeConnect retains routes learned from the peer and continues to use it for forwarding (if possible) if/when a BGP peer goes down. Retained routes are considered stale routes. They will be deleted and replaced when new routes are received.
    Max Restart Time If Graceful Restart is enabled, specifies the maximum time in seconds to wait for a capable peer to come back after a restart or peer session failure.
    Stale Path Time If Graceful Restart is enabled, specifies the maximum time in seconds following a peer restart before removing stale routes associated with a peer.
    Log BGP update messages Enable logging of BGP peer messages on the segment.
    Next-Hop-Self Advertised route connected to a CE router that an EdgeConnect appliance learns from a PE router.
    Override ASN Indicates whether routes are advertised to the BGP peer where the BGP peer’s own ASN is in the AS-Path.
    Keep Alive Timer This is the interval, in seconds, between keep alive signals to a peer.
    Hold Timer When availability to a peer is lost, this value specifies how long to wait before dropping the session.
    Soft Reconfiguration Select Yes to prevent the appliance from sending a route-refresh message to the BGP peer when a policy is changed. If you select Don’t apply, Orchestrator ignores this field when applying this template to appliances.

    When enabled, the appliance applies policy changes against BGP peer learned routes stored in memory.

    NOTE: To request a route update from the peer, click the Soft Reset button for the peer on the BGP tab. Before you perform a soft reset, ensure that Soft Reconfiguration is disabled for the BGP peer.
    Enable MD5 Password If applied, adds a password to authenticate TCP sessions with peers.
    Password / Confirm Password If the MD5 password is enabled, use these fields to specify the password.
  4. Click Update.

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