[Arista-7060X6-64PE-B, Arista-7060X6-16PE-384C-B]: Scale Up NHG on 202505#23779
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yejianquan merged 1 commit intosonic-net:202505from Aug 27, 2025
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[Arista-7060X6-64PE-B, Arista-7060X6-16PE-384C-B]: Scale Up NHG on 202505#23779yejianquan merged 1 commit intosonic-net:202505from
yejianquan merged 1 commit intosonic-net:202505from
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…c-net#23722) [Arista-7060X6-64PE-B, Arista-7060X6-16PE-384C-B]: Scale Up NHG
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@r12f @bingwang-ms could we get approval to merge this cherry-pick to 202505? |
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Why I did it
Fix failure to create NHG on TH5 with 512 BGP sessions.
This is a manual cherry-pick to 202505 for original PR: #23722
Work item tracking
How I did it
Set the following fields in the Broadcom configure for the ___ HWSKUs:
l3_ecmp_member_first_lkup_mem_size: 0l3_ecmp_member_secondary_mem_size: 0Also, disable hierarchical nexthop group via sai.profile:
SAI_NHG_HIERARCHICAL_NEXTHOP=falseHow to verify it
Run pre-test checks and confirm they pass.
Which release branch to backport (provide reason below if selected)
Tested branch (Please provide the tested image version)
202412
Description for the changelog
Scale up NHG, Disable Hierarchical Nexthop