F5F Stay Refreshed Power Users Networks 802.3ad LACP consistently employs identical interface during data transfer from the server.

802.3ad LACP consistently employs identical interface during data transfer from the server.

802.3ad LACP consistently employs identical interface during data transfer from the server.

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Dire_Storm
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65
04-09-2016, 01:54 AM
#1
I'm working on configuring LACP between your Debian machine and the TP-Link T1600G-18TS switch. I've enabled mode-4 bonding on two interfaces on the server and set up LACP on the switch. When transferring files via SMB or Rsync, only one interface is used consistently, even though the other remains idle. Removing the active interface causes traffic to switch to the unused port, and reinserting it restores normal routing. Splitting traffic across both interfaces works when using SRC MAC or SRC + DST MAC hashing on the switch. I've tested various hashing methods on the switch but none affected the outcome. The server side hasn't changed its behavior yet, and I'm still unsure how altering the hashing settings might help.
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D
Dire_Storm
04-09-2016, 01:54 AM #1

I'm working on configuring LACP between your Debian machine and the TP-Link T1600G-18TS switch. I've enabled mode-4 bonding on two interfaces on the server and set up LACP on the switch. When transferring files via SMB or Rsync, only one interface is used consistently, even though the other remains idle. Removing the active interface causes traffic to switch to the unused port, and reinserting it restores normal routing. Splitting traffic across both interfaces works when using SRC MAC or SRC + DST MAC hashing on the switch. I've tested various hashing methods on the switch but none affected the outcome. The server side hasn't changed its behavior yet, and I'm still unsure how altering the hashing settings might help.

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CryptPvP
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15
04-10-2016, 12:17 PM
#2
The traffic exiting the server and entering the switch depends on the hashing method used on the server. The switch's hashing function only influences outgoing traffic to the server, not incoming traffic from it.
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CryptPvP
04-10-2016, 12:17 PM #2

The traffic exiting the server and entering the switch depends on the hashing method used on the server. The switch's hashing function only influences outgoing traffic to the server, not incoming traffic from it.

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IchZocke
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139
04-14-2016, 10:51 AM
#3
Adjusted the server's hashing method to Layer2+3 while keeping the default SRC+DST MAC settings unchanged.
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IchZocke
04-14-2016, 10:51 AM #3

Adjusted the server's hashing method to Layer2+3 while keeping the default SRC+DST MAC settings unchanged.

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