[topo] Add tgen-ft2-3 topology definition - #25905
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Add the topo_tgen-ft2-3 topology used for tgen/snappi fabric spine (FabricSpineRouter) testing with three ARISTA lower-spine T2 neighbors. Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com> Signed-off-by: Dashuai Zhang <dashuaizhang@microsoft.com>
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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
- [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: Dashuai Zhang <dashuaizhang@microsoft.com>
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
Signed-off-by: selldinesh <dinesh.sellappan@keysight.com>
selldinesh
pushed a commit
to selldinesh/sonic-mgmt
that referenced
this pull request
Jul 16, 2026
### 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: Dashuai Zhang <dashuaizhang@microsoft.com>
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
Signed-off-by: selldinesh <dinesh.sellappan@keysight.com>
ssithaia-ebay
pushed a commit
to ssithaia-ebay/sflow-yang-sonic-mgmt
that referenced
this pull request
Jul 21, 2026
### 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: Dashuai Zhang <dashuaizhang@microsoft.com>
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
Signed-off-by: ssithaia-ebay <ssithaian@ebay.com>
sdszhang
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Request for 202605 branch
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This PR has backport request label(s) for branch(es): msft-202608, but is missing required test information. Please make sure you tick the tested branch(es) in the Tested branch section and provide test evidence (e.g., 202608: <test result>) in the Test result section as well in your PR description. ---Powered by SONiC BuildBot
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Cherry-pick PR to msft-202608: Azure/sonic-mgmt.msft#1354 |
mssonicbld
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Created PR to msft-202608 branch
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Description of PR
Adds a new tgen topology,
tgen-ft2-3, for snappi/tgen testing on ft2 topo.Two things:
Type of change
Back port request
Approach
What is the motivation for this PR?
Adds a
tgen-ft2-3topo 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