From e7f4da58235ff840601f592ef830fe2d1ca4feaa Mon Sep 17 00:00:00 2001
From: andywongarista <78833093+andywongarista@users.noreply.github.com>
Date: Mon, 28 Nov 2022 19:20:50 -0800
Subject: [PATCH] [Arista] Enable ipv6 128b lpm on 720DT-48S (#12832)

Why I did it
Added to allow test_crm_route to pass; the test tries to add a /126 ipv6 route and this change is required in order for the count of available routes to be updated correctly.
---
 .../x86_64-arista_720dt_48s/td3x2-a720dt-48s-flex.config.bcm     | 1 +
 1 file changed, 1 insertion(+)

diff --git a/device/arista/x86_64-arista_720dt_48s/td3x2-a720dt-48s-flex.config.bcm b/device/arista/x86_64-arista_720dt_48s/td3x2-a720dt-48s-flex.config.bcm
index 033a19a9f0..46754b917a 100644
--- a/device/arista/x86_64-arista_720dt_48s/td3x2-a720dt-48s-flex.config.bcm
+++ b/device/arista/x86_64-arista_720dt_48s/td3x2-a720dt-48s-flex.config.bcm
@@ -10,6 +10,7 @@ dma_desc_timeout_usec.0=15000000
 fpem_mem_entries.0=0
 higig2_hdr_mode.0=1
 ifp_inports_support_enable.0=1
+ipv6_lpm_128b_enable.0=1
 l2xmsg_mode.0=1
 l2_mem_entries.0=65536
 l3_mem_entries.0=32768