On Thu, May 24, 2018 at 04:54:41PM +0200, Andrew Lunn wrote: > If you cannot get an IP address, it is plain broken. The whole idea is > that switch port interfaces are just linux interfaces. A linux > interface which cannot get an IP address is broken. The switch interfaces can get ip addresses just like every linux interface. The cpu port can't (sw0p0) > > > Similar cases exist for customers on adding MDBs as far as i know. So they > > want > > the "customer facing ports" to have the MDBs present but not the cpu port. > > That i can understand. And it should actually work now with > switchdev. It performs IGMP snooping, and if there is nothing joining > the group on the CPU, it won't add an MDB entry to forward traffic to > the CPU. Yes, but this should be configurable (i.e the customer can deny adding the MDB on the cpu port) > > > Adding a cpu port that cannot transmit or receive traffic is a bit "weird" > > And how is it supposed to send BPDUs? STP is going to be broken.... Not sure about this, i'll have to check
Regards Ilias
