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Spirent KB Article
Doc ID: FAQ19263
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Spirent TestCenter: How can I configure an even distribution when I'm using LACP with Hashing?
Spirent Test Center
Hashing (LACP transmit algorithm)
First, please try, simplifying the hashing by using only Source MAC address as the L2 Hash Option; this will make the hashing more predictable.
If the steams are still being hashed unevenly, please validate that there are no random modifiers configured on the source MAC address; if that's the case, we can simulate the random modifier by copying the random MACs and placing them into a list modifier.
If you still have an uneven distribution, you can increment the MAC addresses on the list modifier; hopefully, this will make them hash with the other LAG port. e.g., if you have 8 different frames in your Lag, and one port is generating 6 of them and the other only 2, you can increment 2 of the MAC addresses on port 1, hoping it only create 4 ports as well as port 2.
Product : Spirent TestCenter,LACP