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VPP: interfaces vpp xconnect <name> disable` is accepted by the CLI but has no effect
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Description

interfaces vpp xconnect <name> disable` is accepted by the CLI but has no effect

Steps to reproduce

configure
set interfaces vpp xconnect vppxcon0 member interface eth1
set interfaces vpp xconnect vppxcon0 member interface eth2
commit

Confirm is active:

sudo vppctl show interface addr

Expected output :

eth1 (up):
  L2 xconnect eth2
eth2 (up):
  L2 xconnect eth1

Now set disable and commit:

configure
set interfaces vpp xconnect vppxcon0 disable
commit

Check again:

sudo vppctl show interface addr

Expected result

Either:
the Layer 2 cross-connect between the two members is torn down or removed

Actual result

commit succeeds with no error in both cases. `sudo vppctl show interface
addr` same output

eth1 (up):
  L2 xconnect eth2
eth2 (up):
  L2 xconnect eth1

Details

Version
2026.09.09-0029-rolling
Is it a breaking change?
Unspecified (possibly destroys the router)
Issue type
Bug (incorrect behavior)