[Mikrotik] Best way to do transparent PTP bridge

Tristram Cheer mikrotik at tristramcheer.com
Mon Sep 20 21:58:08 CDT 2010


Dont cheap out on a PTP link? I cant think of a single reason for a PTP link
to use 2 different brands. PTMP yeah but in that case I'd use UBNT on the
CPE side and put it in router mode

On 20 September 2010 14:35, RickG <rgunderson at gmail.com> wrote:

> This leads to a question: What if youre using a different AP (UBNT)? What
> would the setting be then?
>
> On Mon, Sep 20, 2010 at 10:06 PM, Tristram Cheer <
> mikrotik at tristramcheer.com
> > wrote:
>
> > Psuedo-Bridge is a standard breaker, Why not use plain old WDS or better
> > yet
> > VPLS.
> >
> > We've encountered a number of times speed limitations when bridging
> > wireless
> > to Ethernet and ended up switching from WDS bridges to BGP-VPLS for our
> > backhaul core
> >
> > On 20 September 2010 13:26, Scott Reed <sreed at nwwnet.net> wrote:
> >
> > >  I don't think comparing the MT psuedo-bridge to an old anything is
> > > correct. MT developed this in response to customer requests for a way
> to
> > do
> > > bridging on the station end.  I have not done a lot of these, but they
> > work
> > > fine for everything we have run through them.  I have one that has been
> > > running for a couple of years without a hiccup.
> > >
> > >
> > > On 9/20/2010 7:06 PM, Josh Luthman wrote:
> > >
> > >> The only difference is bridge allows one item in the reg table,
> > >> ap-bridge 255 IIRC.
> > >>
> > >> pseudo isn't a real bridge and can (and probably will) lead to layer 2
> > >> issues.
> > >>
> > >> A good example was a Tranzeo "PTP" link we had years ago (using the
> > >> proprietary PTP configuration option).  The routers between two sites
> > >> lost connectivity every 10-15 minutes.  Put in an eoip tunnel on the
> > >> routers on top of the Tranzeo link and the problem was solved.
> > >>
> > >> Josh Luthman
> > >> Office: 937-552-2340
> > >> Direct: 937-552-2343
> > >> 1100 Wayne St
> > >> Suite 1337
> > >> Troy, OH 45373
> > >>
> > >>
> > >>
> > >> On Mon, Sep 20, 2010 at 6:46 PM, Bill Prince
> > >> <part-15 at skylinebroadbandservice.com>  wrote:
> > >>
> > >>>  I used to do that until they came out with the pseudobridge-clone
> > thing.
> > >>>  Just seems to set up a little easier, but I was wondering about the
> > >>> "other"
> > >>> implications.
> > >>>
> > >>> So one way is:
> > >>>
> > >>>   PTP master = ap-bridge
> > >>>   PTP slave = station + wds
> > >>>
> > >>> Another way:
> > >>>
> > >>>   PTP master = bridge
> > >>>   PTP slave = station + wds
> > >>>
> > >>> Yet another way (what I'm using):
> > >>>
> > >>>   PTP master = bridge
> > >>>   PTP slave = station-psuedobridge-clone
> > >>>
> > >>> If I understand bridge versus ap-bridge correctly, ap-bridge is for
> > PtMP,
> > >>> and bridge is for PTP.
> > >>>
> > >>>
> > >>> bp
> > >>>
> > >>>
> > >>> On 9/20/2010 3:34 PM, Josh Luthman wrote:
> > >>>
> > >>>> With one radio you want to use ap-bridge and station, then go to the
> > >>>> WDS tab and set the first two fields appropriately.
> > >>>>
> > >>>> Josh Luthman
> > >>>> Office: 937-552-2340
> > >>>> Direct: 937-552-2343
> > >>>> 1100 Wayne St
> > >>>> Suite 1337
> > >>>> Troy, OH 45373
> > >>>>
> > >>>>
> > >>>>
> > >>>> On Mon, Sep 20, 2010 at 6:15 PM, Bill Prince
> > >>>> <part-15 at skylinebroadbandservice.com>    wrote:
> > >>>>
> > >>>>> As in a backhaul.  What last did was create a bridge between the
> > ether1
> > >>>>> and
> > >>>>> wlan1 on both units.  Then I set the primary to "bridge", and I set
> > the
> > >>>>> slave to station-pseudobridge-clone (no WDS).
> > >>>>>
> > >>>>> According to the way I read it, the pseudobridge-clone should be
> > >>>>> transparent
> > >>>>> (no munging the MACs of the attached devices into the MAC of the
> PTP
> > >>>>> station).  It doesn't seem to take a lot of processing power, and
> you
> > >>>>> don't
> > >>>>> have to create an addition bridge for the WDS.
> > >>>>>
> > >>>>> Comments?
> > >>>>>
> > >>>>> --
> > >>>>> bp
> > >>>>>
> > >>>>> _______________________________________________
> > >>>>> Mikrotik mailing list
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> > >>>>> http://www.butchevans.com/mailman/listinfo/mikrotik
> > >>>>>
> > >>>>> Visit http://blog.butchevans.com/ for tutorials related to
> Mikrotik
> > >>>>> RouterOS
> > >>>>>
> > >>>>>  _______________________________________________
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> > >>>>
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> > >>>> RouterOS
> > >>>>
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> > >>>
> > >>>  _______________________________________________
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> > >> Mikrotik at mail.butchevans.com
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> > >>
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> > >> RouterOS
> > >>
> > >>
> > > --
> > > Scott Reed
> > > Owner
> > > NewWays Networking, LLC
> > > Wireless Networking
> > > Network Design, Installation and Administration
> > > Mikrotik Advanced Certified
> > > www.nwwnet.net
> > > (765) 855-1060
> > >
> > >
> > >
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> > > http://www.butchevans.com/mailman/listinfo/mikrotik
> > >
> > > Visit http://blog.butchevans.com/ for tutorials related to Mikrotik
> > > RouterOS
> > >
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