Comment 4 for bug 1964644

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Bill Wear (billwear) wrote : Re: [3.1] Adding overlapping subnets in fabric breaks deployments

Triaging this now. Not clear to me, personally, whether MAAS should do extensive sanity checks on network inputs, as this might restrict user freedom to handle edge cases, but (1) clearly there is a path here to introduce a non-working configuration, whether that's by design or by mistake, (2) the MAAS PM Anton Smith has stated a (weight-bearing) preference that the MAAS networking model not tolerate cross-wiring like this without at least a warning, and (3) MAAS developer Alexsander Sousa has indicated, wisely, that MAAS should recover from these kind of connection errors without resorting to controller restarts.

Setting importance to Medium, and adding a doc track at importance level High, so this can be added to troubleshooting information, at least.