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mateusguilherme
Explorer II
March 28, 2025
Solved

Behavior of sessions with links that no longer meet SLA requirements.

  • March 28, 2025
  • 1 reply
  • 875 views

Hello

 

I have a question: when using SDWAN rules with Maximize Bandwidth (SLA) or Best Quality strategies, what happens to sessions already started on an Internet link that no longer meets SLA requirements? Are these sessions terminated by Fortigate or do they remain on the low-performance link until they are formally terminated by the application?

Best answer by AEK

Hi Mateus

I don't have an official response but it would be so bad if the sessions are ended for such reason. I guess they are kept on the same link, and new sessions are created on the second.

1 reply

AEK
SuperUser
AEKAnswer
SuperUser
March 28, 2025

Hi Mateus

I don't have an official response but it would be so bad if the sessions are ended for such reason. I guess they are kept on the same link, and new sessions are created on the second.

AEK
mateusguilherme
Explorer II
March 31, 2025

I configured a raspberry to simulate a bad link using the TC tool, I increased the latency and packet loss so that the link no longer met the SLA and apparently the session remained active on the link that no longer met the SLA requirements.

AEK
SuperUser
SuperUser
April 1, 2025

Thanks for sharing, Mateus

That was a good question and a good PoC.

AEK