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display udp-helper port

Function

The display udp-helper port command displays the configured UDP ports to which packets need to be relayed on the device.

Format

display udp-helper port

Parameters

None

Views

All views

Default Level

1: Monitoring level

Usage Guidelines

To view the configured UDP ports to which packets need to be relayed, run this command. If the UDP helper function is not enabled, the system displays the following information:

Info: Udp-helper has not been enabled, please enable udp-helper first.

Example

# Display the UDP ports to which packets need to be relayed.

<HUAWEI> display udp-helper port
Udp-Port-Number       Description
-------------------------------------------------------------
       1              TCP Port Service Multiplexer
      37              Time
      49              Login Host Protocol
      53              Domain Name Server
      69              Trivial File Transfer
     137              NETBIOS Name Service
     138              NETBIOS Datagram Service
Table 1 Description of the display udp-helper port command output

Item

Description

Udp-Port-Number

UDP ports to which packets need to be relayed.

UDP ports are classified into the following types:

  • Well-known port: The well-known port numbers range from 0 to 1023. These ports are used by standard TCP/UDP protocols.
  • Registered port: The registered port numbers range from 1024 to 49151. They are vendor-specific ports.
  • Dynamic/Static port: The dynamic or static port numbers range from 49152 to 65535. These ports can be used as required and may conflict on a network.

To configure the UDP ports, run the udp-helper port command.

Description

UDP port description.

Copyright © Huawei Technologies Co., Ltd.
Copyright © Huawei Technologies Co., Ltd.
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