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starbug
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Posts: 16
Joined: Sat Sep 01, 2018 4:59 pm

CRS326-24G-2S+ --> CRS328-24P-4S+ ... DAC TX/RX Pauses

Sun Aug 29, 2021 6:07 pm

Hi,

I do have a setup of a "CRS326-24G-2S+" --> "CRS328-24P-4S+" connected via an MikroTik S+DA0001 DAC showing TX Pauses in SwOS v2.13. Does anyone have any idea what potential issue this relates to and how to fix.

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leeph
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Posts: 6
Joined: Sun Sep 12, 2021 1:43 pm

Re: CRS326-24G-2S+ --> CRS328-24P-4S+ ... DAC TX/RX Pauses

Mon Sep 13, 2021 6:02 am

Pause frames are due to Flow Control. You can try turning flow control off, but may experience packet loss (retries) instead.

I am also seeing TX pauses between a 2x10gb LAG between Mikrotik switches (DAC SFP+) but it is intermittent. A few is probably normal with FC enabled.

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