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##Description of PR
This PR contains the changes for Fine Grained ECMP test.
It is based on the following specs:
https://github.com/Azure/SONiC/blob/master/doc/ecmp/fine_grained_next_hop_hld.md
https://github.com/Azure/SONiC/pull/623/files
Summary:
Type of change
Approach
This test creates Fine Grained ECMP objects on the DUT, and validates data plane for fine grained ecmp via PTF tests.
What is the motivation for this PR?
https://github.com/Azure/SONiC/blob/master/doc/ecmp/fine_grained_next_hop_hld.md
How did you do it?
Initially create a route with x next-hops, send 1000 flows, change the set of next-hops for all the possible fine grained ecmp scenarios and validate that the 1000 flows adjust as expected in the scenario
How did you verify/test it?
By running the PTF test
Any platform specific information?
Applicable to all platforms which support fine grained ecmp
Supported testbed topology if it's a new test case?
T0
Documentation
https://github.com/Azure/SONiC/blob/master/doc/ecmp/fine_grained_next_hop_hld.md