[Mikrotik] Best way to do transparent PTP bridge

Josh Luthman josh at imaginenetworksllc.com
Mon Sep 20 18:34:19 CDT 2010


I haven't seen the new option.  Not sure I trust it but if you're
willing to try it, please report back after a few months!

>And why would you need more than 1 registered client in a PTP link?
You wouldn't, I was pointing out the lack of importance regarding PTP
and the ap/bridge.

Josh Luthman
Office: 937-552-2340
Direct: 937-552-2343
1100 Wayne St
Suite 1337
Troy, OH 45373



On Mon, Sep 20, 2010 at 7:21 PM, Bill Prince
<part-15 at skylinebroadbandservice.com> wrote:
>  There are two different pseudobridge options now.  The old one
> station-pseudobridge would most likely cause layer 2 issues.  However, the
> way I read station-pseudobridge-clone is that it should eliminate the layer
> 2 problems.
>
> And why would you need more than 1 registered client in a PTP link?
>
>
> bp
>
>
> On 9/20/2010 4:06 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
>>>>>
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>>>>>
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