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How to Down Speed Ethernet Port from Gigabit to Fast

Gerrard Liverpool

May 24, 2016 04:53

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Hi Support Team

Now I have Yeastar PBX Model MyPBX U510, I would like to change Ethernet Port from Gigabit down to be Fast speed.

How can I do?

Best Regards,

Watchara Dathong

 

 

 

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3 comments

• 0
  
  Oscar Colka May 31, 2016 01:26

  Gerrard,

  The speed of the Ethernet port can adjust itself. That means, if the switch is 1000 Mbps, then the Ethernet port of U510 would adjust to 1000 Mbps. If the switch is 100 Mbps, the Ether port of U510 will adjust to 100 Mbps.

• 0
  
  Nicola Mantovan January 27, 2021 12:21

  In some cases, the provider requests that speed negotiation be disabled as it could cause problems. Configuring the LAN port as Fast can be useful in this case.

• 0
  
  Pixy Tse January 28, 2021 05:41

  Hi There, 

  You can write a script for U500 in /persistent/ via SSH.

  The following is an example to make it fixed at 100Mbps.

  #!/bin/sh

  ethtool -s eth0 speed 100 duplex full

  Then reboot PBX to let the script take effect.

   

  To check current speed and duplex mode, use the command:

  ethtool eth0

   

  root@MyPBX:~# ethtool eth0

  Settings for eth0:

          Supported ports: [ TP MII ]

          Supported link modes:   10baseT/Half 10baseT/Full

                                  100baseT/Half 100baseT/Full

          Supports auto-negotiation: Yes

          Advertised link modes:  10baseT/Full

                                  100baseT/Half 100baseT/Full

          Advertised auto-negotiation: Yes

          Speed: 100Mb/s

          Duplex: Full

          Port: MII

          PHYAD: 1

          Transceiver: internal

          Auto-negotiation: on

          Current message level: 0x00000000 (0)

          Link detected: yes