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net/frr: v1.48 plugin changes (#794)

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source/manual/dynamic_routing.rst
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@ -418,6 +418,9 @@ BGP (Border Gateway Protocol)
**Graceful Restart** Enable BGP graceful restart as per RFC 4724, allowing packet forwarding during protocol restoration.
**Network** Defines connected networks to be advertised over BGP. Disable Network Import-Check to announce all networks.
**Network Import-Check** By default, only networks present in the routing table are advertised. Disable to announce all configured networks.
**Bestpath** Route selection modifiers that influence the best path.
**Enforce First AS** Deny an update received from an external BGP (eBGP) peer that does not list its autonomous system number at
the beginning of the AS_PATH in the incoming update.
**Log Neighbor Changes** Enable extended logging of BGP neighbor changes.
**Route Redistribution** Select other routing sources to redistribute to other nodes. Can be combined with a Route Map per redistribution.
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@ -622,6 +625,10 @@ BFD (Bidirectional Forward Detection)
**Peer-IP** Specify the IP of your neighbor.
**Multihop** Enables multi-hop mode, allowing BFD to expect packets with TTL less than 254 and listen on the multihop port (4784).
Note: Echo mode is not supported in multi-hop (see RFC 5883, section 3).
**Detect multiplier** Configures the detection multiplier to determine packet loss. The remote transmission interval will be multiplied by
this value to determine the connection loss detection timer. The default value is 3.
**Receive interval** Configures the minimum interval that this system is capable of receiving control packets. Defaults to 300 ms.
**Transmit interval** The minimum transmission interval (less jitter) that this system wants to use to send BFD control packets. Defaults to 300ms.
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.. Note::