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Add files via upload Update fast-link-up-hld.md Update fast-link-up-hld.md Signed-off-by: Yair Raviv <[email protected]>
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This was referenced Jan 7, 2026
abelamit
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<!--
Please make sure you've read and understood our contributing guidelines:
https://github.com/Azure/SONiC/blob/gh-pages/CONTRIBUTING.md
** Make sure all your commits include a signature generated with `git commit -s` **
If this is a bug fix, make sure your description includes "closes #xxxx",
"fixes #xxxx" or "resolves #xxxx" so that GitHub automatically closes the related
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If you are adding/modifying/removing any command or utility script, please also
make sure to add/modify/remove any unit tests from the tests
directory as appropriate.
If you are modifying or removing an existing 'show', 'config' or 'sonic-clear'
subcommand, or you are adding a new subcommand, please make sure you also
update the Command Line Reference Guide (doc/Command-Reference.md) to reflect
your changes.
Please provide the following information:
-->
**HLD**: [fast-link-up-hld.md](sonic-net/SONiC#2170)
#### What I did
Implemented CLI for Fast-linkup feature including:
- config feature parameters
- enable/disable the feature per-port
- show feature parameters
- show interfaces feature status
#### How I did it
- By adding the new command support to `config` and `show` CLI
#### How to verify it
- Run Fast-linkup CLIs
#### Which release branch to backport (provide reason below if selected)
<!--
- Note we only backport fixes to a release branch, *not* features!
- Please also provide a reason for the backporting below.
- e.g.
- [x] 202006
-->
- [x] 202511
#### New command output (if the output of a command-line utility has changed)
```
admin@sonic:/home/admin# show switch-fast-linkup global
+---------------+---------+
| Field | Value |
+===============+=========+
| ber_threshold | 10 |
+---------------+---------+
| guard_time | 15 |
+---------------+---------+
| polling_time | 60 |
+---------------+---------+
```
```
admin@sonic:/home/admin# show interfaces fast-linkup status
+-------------+---------------+
| Interface | fast_linkup |
+=============+===============+
| Ethernet0 | true |
| Ethernet4 | true |
| Ethernet8 | true |
| Ethernet12 | false |
| Ethernet16 | false |
| Ethernet20 | false |
| Ethernet24 | false |
| Ethernet28 | false |
| Ethernet32 | false |
| Ethernet36 | false |
| Ethernet40 | false |
| Ethernet44 | false |
| Ethernet48 | false |
| Ethernet52 | false |
| Ethernet56 | false |
| Ethernet60 | false |
| Ethernet64 | false |
| Ethernet68 | false |
| Ethernet72 | false |
| Ethernet76 | false |
| Ethernet80 | false |
| Ethernet84 | false |
| Ethernet88 | false |
| Ethernet92 | false |
| Ethernet96 | false |
| Ethernet100 | false |
| Ethernet104 | false |
| Ethernet108 | false |
| Ethernet112 | false |
| Ethernet116 | false |
| Ethernet120 | false |
| Ethernet124 | false |
+-------------+---------------+
```
Signed-off-by: Sonic Build Admin <[email protected]>
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**HLD:** [fast-link-up-hld](sonic-net/SONiC#2170) - Added yang-model for Fast-linkup table - Added FAST_LINKUP_ENABLE flag to relevant sai.profile files <!-- Please make sure you've read and understood our contributing guidelines: https://github.com/Azure/SONiC/blob/gh-pages/CONTRIBUTING.md ** Make sure all your commits include a signature generated with `git commit -s` ** If this is a bug fix, make sure your description includes "fixes #xxxx", or "closes #xxxx" or "resolves #xxxx" Please provide the following information: --> #### Why I did it - Added YANG model as part of Fast-linkup feature #### Work item tracking - N/A #### How I did it 1. By adding a new Yang model to cover the new CFG table 2. By adding FAST_LINKUP_ENABLE flag to sai.profile of the relevant SKUs #### How to verify it To verify Fast-linkup, related PRs from HLD are required, and vendor SAI should support this <!-- If PR needs to be backported, then the PR must be tested against the base branch and the earliest backport release branch and provide tested image version on these two branches. For example, if the PR is requested for master, 202211 and 202012, then the requester needs to provide test results on master and 202012. --> #### Which release branch to backport (provide reason below if selected) <!-- - Note we only backport fixes to a release branch, *not* features! - Please also provide a reason for the backporting below. - e.g. - [x] 202006 --> - [x] 202511 #### Tested branch (Please provide the tested image version) - [x] master #### Description for the changelog <!-- Write a short (one line) summary that describes the changes in this pull request for inclusion in the changelog: --> <!-- 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. --> #### Link to config_db schema for YANG module changes [CONFIG_DB new table](https://github.com/YairRaviv/SONiC/blob/yraviv-fast-linkup-hld/doc/fast-linkup/fast-link-up-hld.md#2511-switch_fast_linkup-switch-oa) Signed-off-by: Sonic Build Admin <[email protected]> #### A picture of a cute animal (not mandatory but encouraged)
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