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[code sync] Merge code from sonic-net/sonic-buildimage:202511 to 202511_azd#2314

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[code sync] Merge code from sonic-net/sonic-buildimage:202511 to 202511_azd#2314
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* ac1b21ba7 - (head/202511) Revert "[action] [PR:27074] [Mellanox] Integrate HW-MGMT 7.0060.1002 Changes (#27135)" (#27434) (2026-05-18) [Ying Xie]
* a8409ae15 - [Broadcom] Upgrade Broadcom xgs SAI version to 14.3.0.0.0.0.14.0 (#27426) (2026-05-18) [mssonicbld]
* 08e47db04 - Platform support for Arista-720DT-48S-MGX (#27376) (2026-05-18) [mssonicbld]
* 952432bba - Revert "Move the management ports to a new hardware SKU (#27351)" (#27409) (2026-05-17) [Arvindsrinivasan Lakshmi Narasimhan]<br>```

arlakshm and others added 5 commits May 17, 2026 20:57
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#### Why I did it
To add support for the Arista-720DT-48S-MGX platform

##### Work item tracking
- Microsoft ADO **(number only)**:

#### How I did it
Added a device folder and relevant config files for the platform. Added the platform to boot0. Also expanded a workaround in files/scripts/syncd.sh to apply to all 720DT-48S models.

#### How to verify it
Switch boots. All ports are up and passing traffic.

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#### Which release branch to backport (provide reason below if selected)

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- Please also provide a reason for the backporting below.
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- [x] 202006
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- [ ] 202205
- [ ] 202211
- [ ] 202305
- [ ] 202311
- [ ] 202405
- [ ] 202411
- [ ] 202505

#### Description for the changelog
Support for the Arista-720DT-48S-MGX platform

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 Ensure to add label/tag for the feature raised. example - PR#2174 under sonic-utilities repo. where, Generic Config and Update feature has been labelled as GCU.
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#### Link to config_db schema for YANG module changes
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Signed-off-by: Sonic Build Admin <sonicbld@microsoft.com>

#### A picture of a cute animal (not mandatory but encouraged)
…426)

#### Why I did it
Upgrade the xgs SAI version to 14.3.0.0.0.0.14.0 to include the following changes:
- 14.3.0.0.0.0.14.0:
 - [CSP CS00012455170] Backporting to SAI 14.3 - TH2: Failed to set interface type to SR4
- 14.3.0.0.0.0.13.0:
 - Uplift SONIC-114889: support `bcm_switch_control_set(0, bcmSwitchPcieHotSwapDisable, 1)` via SAI config knob `sai_switch_pcie_hotswap_disable`
 - SDK: update Python to 3.11.4 to fix build failure
 - SDK: Uplift SONIC-121672 — support `signal_detect_status_get` at tsce16 (SDK-456481)
 - SDK: upgrade TH6 peregrine3 firmware to D001_00

##### Work item tracking
- Microsoft ADO **(number only)**: 37923156

#### How I did it
Update the xgs SAI version in sai-xgs.mk file.

#### How to verify it
Load image on a DUT, all containers and bgp are up and running.

#### Which release branch to backport (provide reason below if selected)

- [x] 202511

Signed-off-by: zitingguo <zitingguo@microsoft.com>
Signed-off-by: Sonic Build Admin <sonicbld@microsoft.com>
…Changes (#27135)" (#27434)

What: Reverts sonic-net/sonic-buildimage#27348 which integrated Mellanox HW-MGMT 7.0060.1002 changes.

Why: The integrated HW-MGMT changes caused issues requiring a revert.

How: Full revert of the merged commit.

Testing: All CI checks passed (14/14).

Signed-off-by: Ying Xie <ying.xie@microsoft.com>
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