You're probably talking about bpdufilter: spanning-tree bpdufilter enable (Results port to not participate in STP, loops may occur)
There is also bpduguard: spanning-tree bpduguard enable (Puts port in errdisable upon receiving any bpdu) On Wed, Jan 18, 2017 at 1:02 PM, Sterling Jacobson <sterl...@avative.net> wrote: > Don’t all switches use some form of STP/RSTP Gino? > > > > I’m talking about best practices for a switch bank really. > > > > Do I set STP priority number lower than the default on the switch for the > ports going to other switches? > > > > And what is the term or feature that means ignore STP type packets from > that port (customer ports). > > > > I think I’m getting STP type topology changes every time a downstream > customer port has a up/down change etc. > > > > I don’t want those. > > > > *From:* Af [mailto:af-boun...@afmug.com] *On Behalf Of *Gino Villarini > *Sent:* Wednesday, January 18, 2017 2:00 AM > *To:* af@afmug.com > *Subject:* Re: [AFMUG] Switch expert help/advice > > > > Why are you using stp? > > On 1/18/17, 12:33 AM, "Af on behalf of Sterling Jacobson" > > > > *Gino Villarini* > > President > > Metro Office Park #18 Suite 304 Guaynabo, Puerto Rico 00968 > > [image: cid:image001.png@01D2718B.144BF200] > > <af-boun...@afmug.com on behalf of sterl...@avative.net > <af-boun...@afmug.com%20on%20behalf%20of%20sterl...@avative.net>> wrote: > > >Any of you guys work with switches a lot? > > > >I use banks of switches in my fiber, set up per neighborhood. > > > >But really they are all linked via fiber so it's pretty much like a > >datacenter. > > > >I'm using a few MPLS/VPLS tunnels to the switch banks. > > > >I'm having a real hard time tracking down a loop issue though. > > > >It's related to MikroTik lovely change in version 6.38 for STP/RSTP > >bridge stuff. > > > >My problem is with an IBM switch I don't know very well. > > > >I suspect I have settings wrong for STP/RSTP etc. > > > >The switches are a simple configuration of VLAN 1/default for customer > >traffic, then another VLAN for management from the device at their > >house/MDU. > > > >I pull out the VLAN management at the mikrotik and bridge it with an area > >wide L2 MPLS network. > > > >My problem is the IBM switches keep shutting down access to customer data > >or management or the other switches they are connected to. > >The crude method of recovery is reboot the switch. > > > >At the 'head' of the VPLS network I use an EOIP tunnel to a hosted > >mikrotik that hosts the Dude and a few other management VM's on that > >layer2 network. > > > >I'm regretting I did that and didn't create a more sophisticated routed > >management network. > > > >But the hosted mikrotik is complaining of loop packets and sometimes just > >goes wild and shuts down it's EOIP connecting interface for 60 seconds. > >I can't seem to find a way to tell it to NOT do that either, seems like > >it's built in to 6.38 no matter what Loop Protection I turn off or STP I > >disable. > >It's not like it's a lot of traffic, it's just seeing some BPDU or STP > >type packets and killing itself. > > > >What is the best practice for switches regarding RSTP/PVRST BDPU guards > >and STP root paths etc? > > > >The switches typically have two uplink ports going to the router or > >another switch, the rest are customer facing ports. >
