Add allow_ddm_traffic to port config in CRDB - #11117
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For multirack testing we need to be able to enable DDM traffic on a front port. We only want to expose this configuraton via RSS now, as the vast majority of multirack is not ready and we only want to do internal testing. We want to leave the external API untouched right now. However, the `sync_switch_configuration` background task will immediately overwrite the value set in RSS, if we always hard code it to the default of false. Therefore, we had to add code to plumb the value into CRDB from RSS and apply it during the `sync_switch_configuration` background task. Thanks to @jgallagher for [pointing this out earlier](#11091 (comment)).
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sunshowers
August 20, 2026 05:12
andrewjstone
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Aug 20, 2026
| match self | ||
| .db_datastore | ||
| .switch_port_settings_create(opctx, &port_settings_params, None) | ||
| .switch_port_settings_create( |
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This is where the value from RSS is actually stored in the DB.
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For multirack testing we need to be able to enable DDM traffic on a front port. We only want to expose this configuraton via RSS now, as the vast majority of multirack is not ready and we only want to do internal testing. We want to leave the external API untouched right now.
However, the
sync_switch_configurationbackground task will immediately overwrite the value set in RSS, if we always hard code it to the default of false. Therefore, we had to add code to plumb the value into CRDB from RSS and apply it during thesync_switch_configurationbackground task.Thanks to @jgallagher for pointing this out earlier.