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billierios
billierios
New Member
September 27, 2024
Question

PPPoE MTU

  • September 27, 2024
  • 1 reply
  • 1167 views

Hi all, I am using FortiGate 50A with 2.50 MR9. This FortiGate is using PPPoE connection. I found that MTU didn' t change even I set to override default MTU value. If ISP use MTU value 1492 and I set to use 1400, the result MTU is still 1492 after connected. So, how can I enforce FortiGate to use my own MTU setting? Thank you Martin

1 reply

ebilcari
Staff
ebilcari
Staff
September 27, 2024

Is there a reason why would you prefer to use a lower MTU value in the WAN interface from the one that the ISP is providing?

You can take a look at this article that shows more details about MTU in PPoE connections.

Emirjon
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