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Gflex78
Advisor

‎05-23-2016 05:36 AM

‎05-23-2016 05:36 AM

STP, Loop-protection, and BPDU

Hi!

 

First posting so please be nice J

I am getting really confused regarding STP, Loop-protection, and BPDU.

Attached a picture.

In your first rack we have 2 firewalls, two Core switches (2915) and 2 distribution switches (2910). All for redundancy.

In all our other racks we have 1 2910 edge switch.

We have enabled STP and sett priority both for the core and the distribution switches. On the edge switches we have just enabled STP.

We have seen some loops and going through the documentation and googling just made us more confused. Some say that STP should only be enable on core switches (and excluded on uplink ports), some say on all. Some say that you should not mix STP and loop-protection and some you should

The questions we have are

  1. Where should we enable STP?
  2. Where should we enable Loop-protection?
  3. Where should we enable BPDU?
  4. Are does three enough?
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