WDS and nstreme can be used with wireless-test I hear.  Before that it was
not workable at all.

Any load seems to kill your links - that has to be kept on mind.

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

"When you have eliminated the impossible, that which remains, however
improbable, must be the truth."
--- Sir Arthur Conan Doyle


On Thu, Sep 17, 2009 at 3:41 PM, Tom DeReggi <[email protected]>wrote:

> > Well your problem reminded me of wds + nstreme problem is why I
> > brought it up.  I believe wireless-test will fix this.
>
> How can WDS and NStreme be used togeather?
> I thought it had to be one or the other?
>
> > Any way you could test the links disconnected from the rest of the
> > network and see if stressing the links drops it?
>
> Will do that if necessary, after firmware update.
>
> > Are the links losing wireless association?
>
> Yes, they do when it reaches Zero mbps, then immediately restablishes
> association.
>
> Tom DeReggi
> RapidDSL & Wireless, Inc
> IntAirNet- Fixed Wireless Broadband
>
>
> ----- Original Message -----
> From: "Josh Luthman" <[email protected]>
> To: "WISPA General List" <[email protected]>
> Sent: Wednesday, September 16, 2009 9:43 PM
> Subject: Re: [WISPA] Mikrotik Problem - 900Mhz-WDS-incremental speed
> degradetp Zero then drop- repeat.
>
>
> > Well your problem reminded me of wds + nstreme problem is why I
> > brought it up.  I believe wireless-test will fix this.
> >
> > Any way you could test the links disconnected from the rest of the
> > network and see if stressing the links drops it?
> >
> > Are the links losing wireless association?
> >
> > On 9/16/09, Tom DeReggi <[email protected]> wrote:
> >> No I am not using nstreme now.
> >>
> >> However, to expand on the conversations....and history of the job.... I
> >> am
> >> using WDS because that is the standard configuration that has always
> >> worked
> >> for us. We have a central routing platform at the nearest regional tower
> >> and
> >> bandwdith manage via VLAN, so we wanted all our leg radios to be true
> >> bridges, for easy consistent management of IP space. Many of our MT
> >> isntalls
> >> are configured for VLAN. When we originally selected WDS for our
> standard
> >> config, taht was like 3 years ago, with the earlier MT 2.X versions, and
> >> some of teh alternate methods did not properly work as stated in manual.
> >> For
> >> example, back then Station WDS didn't work right. Now a couple years
> >> later,
> >> and up to many version of 3.X, we want to re-investigate what is best
> >> practices.
> >>
> >> In this particular case, Subscriber A had to be a true bridge for
> various
> >> reasons so used WDS. But SubscriberB was an end user residential client,
> >> connected with a Linksys router, and could have worked fine as a
> standard
> >> wifi client.  What we tried to do first was setup a Virtual AP.  Leave
> >> Custoemr A on WDS, and then setup CustomerB as a standard wifi station
> on
> >> the Virtual AP standard AP. But we couldn't get the Virtual AP to pass
> >> traffic. We weren't sure if it was a config mistake or a incompatible
> >> configuration, doing both WDS and Virtual AP on the same WLAN. So that
> is
> >> why we reconfigured everything back to all WDS.
> >>
> >> We are looking for alternate configuration options, if better. In this
> >> particular case, we were very concerned about hidden node type issues,
> >> and
> >> concerned using regular WDS for both clients could cause significant
> >> Hideen
> >> Node type colissions or self interference.  SubA was like 5 miles away,
> >> and
> >> pushes much larger amount of traffic, SubB was like 1 mile away, and low
> >> use
> >> residential. We were concerned Residential SubB could get performance
> >> issues
> >> because of SubA's traffic use. We were debating whether NStreme w/
> >> polling
> >> would have been the best configuration for the solution. Does NStreme
> >> polling allow full bridging like WDS?
> >>
> >> Do you have any recommendations on best practice config now for MT PTMP,
> >> (without routing)?
> >>
> >> Tom DeReggi
> >> RapidDSL & Wireless, Inc
> >> IntAirNet- Fixed Wireless Broadband
> >>
> >>
> >> ----- Original Message -----
> >> From: "Josh Luthman" <[email protected]>
> >> To: "WISPA General List" <[email protected]>
> >> Sent: Wednesday, September 16, 2009 12:42 PM
> >> Subject: Re: [WISPA] Mikrotik Problem - 900Mhz-WDS-incremental speed
> >> degradetp Zero then drop- repeat.
> >>
> >>
> >>> You're not using nstreme are you?
> >>>
> >>> Josh Luthman
> >>> Office: 937-552-2340
> >>> Direct: 937-552-2343
> >>> 1100 Wayne St
> >>> Suite 1337
> >>> Troy, OH 45373
> >>>
> >>> "When you have eliminated the impossible, that which remains, however
> >>> improbable, must be the truth."
> >>> --- Sir Arthur Conan Doyle
> >>>
> >>>
> >>> On Tue, Sep 15, 2009 at 8:25 PM, Tom DeReggi
> >>> <[email protected]>wrote:
> >>>
> >>>> I have a problem with Mikrotik I have not been able to solve.
> Wondering
> >>>> if
> >>>> anyone has any insight.
> >>>>
> >>>> A summary config is....
> >>>>
> >>>> I have a 433AH setup as AP with 1 XR900 and 1 R5H (5.8Ghz). The Cat5
> >>>> Ethernet port goes to a SMC VLAN switch, where the SMC tags and untags
> >>>> VLAN
> >>>> ID, and continues to the Backhaul Radio. My point here is the MT
> itself
> >>>> does
> >>>> not have any VLAN configured.
> >>>>
> >>>> I need everything to act as a True Bridge, so I'm using WDS on
> >>>> everything.
> >>>> Both mPCI cards are set up as "AP" and then WDS interfaces configured.
> >>>> The R5H sector has one subscriber, so there is one WDS interface
> >>>> created
> >>>> for
> >>>> that.  The XR900 has two subscriber points.  So there are two WDS
> >>>> interfaces
> >>>> set up for the XR900 sector, one for each subscriber.  So all three
> WDS
> >>>> interaces and the Ethernet (to backhaul) are all bridged togeather
> >>>> under
> >>>> one
> >>>> Bridge.
> >>>>
> >>>> SubscriberA has a 433AH also, and actually is a repeater site. So it
> >>>> has
> >>>> two
> >>>> mPCI each configured for WDS, and then the WDS ports bridged
> togeather.
> >>>> The
> >>>> primary mPCI that connects to the above first AP, is set for WDS
> Slave.
> >>>> This subscriberA (repeater radio) works normally. I can run MT
> >>>> bandwdith
> >>>> test continually at consistent speed.
> >>>>
> >>>> As well, the subscriber for the R5H sector above also is set up for
> WDS
> >>>> Salve, and works properly, and tests consistently with Bandwdith test.
> >>>>
> >>>> SubscriberB for 900Mhz sector is the problem. It is a RB411 w/ a
> 24V-1A
> >>>> PS,
> >>>> w/ XR900. Originally it was set for WDS Slave also. It is now set for
> >>>> WDS
> >>>> Station, and performs the same as if WDS Slave. When running MT
> >>>> Bandwdith
> >>>> test both UDP or TCP, Sitting at the 433AH AP's winbox, I get the
> >>>> following
> >>>> results.... TXing it works perfectly and consistently.
> >>>> But if doing a receive test.... It starts out at about 800 kbps, then
> >>>> slowly
> >>>> reduces speed incrementally, down to 500 kbps, to 300kbps, to 100kbps,
> >>>> etc,
> >>>> down to Zero. When it reaches Zero mbps, the radio link disconnects,
> >>>> and
> >>>> immediately restarts itself. Speed starts back up at 800 kbps or so,
> >>>> and
> >>>> the
> >>>> same thing repeats. If doing Bi-directional tests of course the same
> >>>> thing
> >>>> applies, because it receives also.
> >>>>
> >>>> Noise is low at teh SU, about -67, and -74 at AP.  At first I thought
> >>>> it
> >>>> was
> >>>> noise at the IP, because occastionally SNR gets very low. .But....
> >>>> SubscriberA has a lower signal at -84 and does not experience the same
> >>>> problem.  Just for grins, I tried playing around with TRansmit power
> at
> >>>> the
> >>>> SubscriberB, but that had no positive effect.  As well, as a test, I
> >>>> disabled the second WDS interface to SubscriberA, and no change.
> >>>>
> >>>> To be clear... SubscriberA and SubscriberB each have their own WDS
> >>>> interface
> >>>> configured on WLAN1 of the 433AH AP.
> >>>> I am using embedded MTOS V 3.10 on each.
> >>>>
> >>>> What is causing this problem?  Why is speed received from my
> >>>> SubscriberB
> >>>> incrementally degrading and breaking link?
> >>>>
> >>>> Bridge loops? Is my config valid? RB411 Bug?
> >>>>
> >>>> Tom DeReggi
> >>>> RapidDSL & Wireless, Inc
> >>>> IntAirNet- Fixed Wireless Broadband
> >>>>
> >>>>
> >>>>
> >>>>
> >>>>
> >>>>
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> >
> >
> > --
> > Josh Luthman
> > Office: 937-552-2340
> > Direct: 937-552-2343
> > 1100 Wayne St
> > Suite 1337
> > Troy, OH 45373
> >
> > "When you have eliminated the impossible, that which remains, however
> > improbable, must be the truth."
> > --- Sir Arthur Conan Doyle
> >
> >
> >
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