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Add multicast options to ros2 doctor hello - #1267

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ros2:rollingfrom
Miko997:doctor-hello-multicast-options
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Add multicast options to ros2 doctor hello#1267
Miko997 wants to merge 1 commit into
ros2:rollingfrom
Miko997:doctor-hello-multicast-options

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@Miko997

@Miko997 Miko997 commented Aug 12, 2026

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Description

Add optional --group and --port arguments to ros2 doctor hello. The selected values are used by the multicast sender and receiver and shown in the summary. Existing defaults remain unchanged.

This implements the multicast configuration part of #1077. The other enhancements in that issue are outside this PR.

Is this user-facing behavior change?

Yes. Users can select the multicast group and port used by ros2 doctor hello.

Additional Information

Validated in the official ros:rolling-ros-base container:

  • colcon build --packages-select ros2doctor
  • colcon test --packages-select ros2doctor
  • colcon test-result --verbose: 9 tests, 0 errors, 0 failures, 0 skipped
  • ros2 doctor hello --help: custom options present with existing defaults

Signed-off-by: Miko Parkkinen <141511110+Miko997@users.noreply.github.com>
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mergify Bot commented Aug 12, 2026

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