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[action] [PR:25905] [topo] Add tgen-ft2-3 topology definition - #1354

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mssonicbld merged 1 commit into
Azure:202608from
mssonicbld:cherry/msft-202608/25905
Aug 8, 2026
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[action] [PR:25905] [topo] Add tgen-ft2-3 topology definition#1354
mssonicbld merged 1 commit into
Azure:202608from
mssonicbld:cherry/msft-202608/25905

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Description of PR

Adds a new tgen topology, tgen-ft2-3, for snappi/tgen testing on ft2 topo.
Two things:

  1. use the port2-4.
    • In this way, this can co-exist with ft2-16 topo where port 1,5,... are used.
  2. 10.2.2.x subnet for FT2.
    • This is to avoid issue where 10.0.x.x subnet may have some issue with ARP resolution on IXIA device.

Type of change

  • Bug fix
  • Testbed and Framework(new/improvement)
  • New Test case
    • Skipped for non-supported platforms
  • Test case improvement

Back port request

  • 202205
  • 202305
  • 202311
  • 202405
  • 202411
  • 202505
  • 202511

Approach

What is the motivation for this PR?

Adds a tgen-ft2-3 topo for snappi/tgen testing on ft2 topo.

How did you do it?

define the topo.

How did you verify/test it?

Deployed the topology on a tgen testbed and confirmed the DUT and neighbors come up as expected.

Any platform specific information?

No. Topology definition only, no code changes.

Supported testbed topology if it's a new test case?

N/A

Documentation

N/A

Signed-off-by: Sonic Build Admin sonicbld@microsoft.com

### Description of PR

Adds a new tgen topology, `tgen-ft2-3`, for snappi/tgen testing on ft2 topo.
Two things:
1. use the port2-4.
    - In this way, this can co-exist with ft2-16 topo where port 1,5,... are used.
2. 10.2.2.x subnet for FT2.
   - This is to avoid issue where 10.0.x.x subnet may have some issue with ARP resolution on IXIA device.

### Type of change

- [ ] Bug fix
- [x] Testbed and Framework(new/improvement)
- [ ] New Test case
    - [ ] Skipped for non-supported platforms
- [ ] Test case improvement

### Back port request
- [ ] 202205
- [ ] 202305
- [ ] 202311
- [ ] 202405
- [ ] 202411
- [ ] 202505
- [ ] 202511

### Approach
#### What is the motivation for this PR?
Adds a `tgen-ft2-3` topo for snappi/tgen testing on ft2 topo.

#### How did you do it?
define the topo.

#### How did you verify/test it?

Deployed the topology on a tgen testbed and confirmed the DUT and neighbors come up as expected.

#### Any platform specific information?

No. Topology definition only, no code changes.

#### Supported testbed topology if it's a new test case?

N/A

### Documentation

N/A

Signed-off-by: Sonic Build Admin <sonicbld@microsoft.com>
@mssonicbld

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Original PR: sonic-net/sonic-mgmt#25905

@mssonicbld

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/azp run

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Azure Pipelines:
There may be pipelines that require an authorized user to comment /azp run to run.

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Azure Pipelines:
1 pipeline(s) were filtered out due to trigger conditions.

@mssonicbld
mssonicbld merged commit 53de710 into Azure:202608 Aug 8, 2026
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