[c-nsp] Configure port to supply PoE only

Marc Redeker marc.redeker at keronet.de
Fri Jan 15 09:27:27 EST 2016


you could simply use the “protected port” feature.
Devices connected to a Protected port are not able to talk to each other, even if they are within the same vlan.

conf t
int gi 0/1
switchport mode access
switchport acess vlan x
switchport protected
spanning-tree portfast

The protected port feature only works local on a switch while private vlans could span over multiple switches.

much easier then configure private vlans and should work for your use case just fine.


> On 14 Jan 2016, at 23:56, Ricardo Stella <stella at rider.edu> wrote:
> Hi folks,
> Sorry if this might be a 'stupid' question.  I need to test a wireless mesh
> configuration and the only thing I have available to supply power to the
> access points (PoE+) is a 2960S switch.
> The switch is isolated to the network, but when it seems that when I add
> more than one access point to it, they are 'talking' to each other.  So is
> there a way to configure the ports so that the ports only supply power?
> The moment the second access point is connected and goes up, I start
> getting flapping errors.
> Thanks in advance for your help and apologies if it is indeed a dumb
> question. All I ask is that you minimize your laughs.  :)
> Ricardo.
> --
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