[Master/202405] VOQ: Set the ECMP group size to 128. #3351
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deepak-singhal0408
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What I did
Set the ECMP group size on VOQ platform to 128.
Why I did it
in SAI 11.x, the MAX ECMP group size on DNX chipsets is set to 64. This is causing issues on VOQ platforms, where ECMP group size in control plane (ebgp+ibgp) is set to 128. We see ECMP group creation failures and eventually leading to orchagent crash.
Related issue: sonic-net/sonic-buildimage#20622
How I verified it
Verified on T2 Chassis(VOQ) by adding Static Routes with > 64 nexthops.
Also tried shutting down on of the group member to verify.
Details if related
Syslogs:
NOTICE swss0#orchagent: :- RouteOrch: Switch Type: voq, Max ECMP Group Size supported: 512
NOTICE swss0#orchagent: :- RouteOrch: Set switch attribute ECMP member count to 128