Before You Start; Globally Configuring The Destination Port Number - Huawei NetEngine80E Configuration Manual - Reliability

HUAWEI NetEngine80E/40E Router
Configuration Guide - Reliability

5.12.1 Before You Start

Before configuring a global destination port number for multi-hop BFD control packets,
familiarize yourself with the usage scenario, complete the pre-configuration tasks, and obtain
the required data.
Applicable Environment
The BFD control packet is encapsulated in the UDP packet for transmission, using the source
port in the range of 49152 to 65535 and destination port 3784 or 4784. According to the
RFC5883, the destination port 4784 is used for the multi-hop BFD control packet. On the NE80E/
40E of the earlier version, however, destination port 3784 is used for the multi-hop BFD control
packet.
The destination port number of the multi-hop BFD control packet can be configured globally
according to the requirements:
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Pre-configuration Tasks
Before globally configuring the destination port number for the multi-hop BFD control packet,
complete the following tasks:
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Data Preparation
To globally configure the destination port number for the multi-hop BFD control packet, you
need the following data.
No.
1

5.12.2 Globally Configuring the Destination Port Number

You can configure a global destination port number for multi-hop BFD control packets according
to the specified devices running a distinct version or the specified vendor's devices.
Context
Perform the following steps on each device:
Issue 02 (2014-09-30)
To interwork with the device running the version earlier than the NE80E/40E, the device
running the NE80E/40E can be configured with destination port 3784 for the multi-hop
BFD control packet.
To interwork with the non-Huawei device, the device running the NE80E/40E can be
configured with destination port 4784 for the multi-hop BFD control packet.
Install the device and turning it on properly.
Connect interfaces correctly.
Data
Name of the device
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