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Issues about the delay t...

Issues about the delay time of M-lag Member Ports

Created: May 21, 2019 11:13:58Latest reply: May 21, 2019 11:30:09 70 1 0 0
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I have two CE6865EI, and the two devices constitute an M-LAG.

I wonder konw the default delay for an M-LAG member ports to report the Up state bec i found differnet answers from the product documentation and the M-LAG  best practise.

  • x
  • convention：

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Official Created May 21, 2019 11:30:09 Helpful(1) Helpful(1)

Hello and  hope this could help you! :)

To prevent the STP flapping caused by the device restart and peer-link faults and to ensure switching performance, you are advised to set the delay in reporting the Up event to be at least 30s on the M-LAG interface, peer-link interface and other service interfaces. By default, the delay for an M-LAG interface to report the Up state is 120s in V200R005C00 and earlier versions and 240s in V200R005C10 and later versions.

So the 240s that you've checked in the product documentation is the spec in V200R005C10 and later versions and the 120s in the M-LAG best practise is the spec in V200R005C00 and earlier versions.
  • x
  • convention：
All Answers
DCN_Documentation Official Created May 21, 2019 11:30:09 Helpful(1) Helpful(1)

Hello and  hope this could help you! :)

To prevent the STP flapping caused by the device restart and peer-link faults and to ensure switching performance, you are advised to set the delay in reporting the Up event to be at least 30s on the M-LAG interface, peer-link interface and other service interfaces. By default, the delay for an M-LAG interface to report the Up state is 120s in V200R005C00 and earlier versions and 240s in V200R005C10 and later versions.

So the 240s that you've checked in the product documentation is the spec in V200R005C10 and later versions and the 120s in the M-LAG best practise is the spec in V200R005C00 and earlier versions.
  • x
  • convention：
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