Right, it isn't immediate.. and that's the whole point of Ethernet drop... 
immediate IGP reconvergence. 



----- 
Mike Hammett 
Intelligent Computing Solutions 

Midwest Internet Exchange 

The Brothers WISP 




----- Original Message -----

From: "Josh Baird" <joshba...@gmail.com> 
To: af@afmug.com 
Sent: Sunday, April 2, 2017 10:02:48 AM 
Subject: Re: [AFMUG] Gigabit ethernet converters? 


Ding. It's not going to be as fast, which is the point that I believe Mike is 
trying to make. 


On Sun, Apr 2, 2017 at 10:53 AM, Josh Reynolds < j...@kyneticwifi.com > wrote: 



Doesn't matter ; if the hellos are dropped completely it will trigger a path 
recalculate. Ideally not as fast as a link drop, but it's better than running 
over a shitty path with too little capacity. 


On Apr 2, 2017 9:46 AM, "Josh Baird" < joshba...@gmail.com > wrote: 

<blockquote>

You still have a physical link from the switch<>router which remains up. 



On Sun, Apr 2, 2017 at 10:30 AM, Josh Reynolds < j...@kyneticwifi.com > wrote: 



<blockquote>


So IGP path runs over AirFiber path that is connected to switch. AirFiber link 
fades below a certain level. This forces Ethernet drop to switch. IGP path is 
now broken. IGP path drops hellos, IGP reconverges on alternate path. 


What am I missing? 





On Apr 2, 2017 9:25 AM, "Mike Hammett" < af...@ics-il.net > wrote: 

<blockquote>


That feature doesn't work if there's a switch in the middle. 




----- 
Mike Hammett 
Intelligent Computing Solutions 

Midwest Internet Exchange 

The Brothers WISP 






From: "Josh Reynolds" < j...@kyneticwifi.com > 
To: af@afmug.com 
Sent: Sunday, April 2, 2017 2:41:47 AM 
Subject: Re: [AFMUG] Gigabit ethernet converters? 


Unless the backhaul is an airfiber, right? Didn't they add a feature to drop 
Ethernet on disconnect just for this reason, or am I imagining things? 


On Mar 31, 2017 10:50 AM, "Mike Hammett" < af...@ics-il.net > wrote: 

<blockquote>


A switch in line breaks the capabilities of the backhaul to drop the Ethernet 
to force the IGP to reconverge immediately. 





----- 
Mike Hammett 
Intelligent Computing Solutions 

Midwest Internet Exchange 

The Brothers WISP 







From: "Paul McCall" < pa...@pdmnet.net > 
To: af@afmug.com 
Sent: Friday, March 31, 2017 9:38:37 AM 

Subject: Re: [AFMUG] Gigabit ethernet converters? 




If I had to guess when someone says they don’t want a switch up top, its 
probably because of a practical consideration. Its why we didn’t put Netonix up 
there. We wanted simple. The “switch” part of the S16 is non “thing” to us. The 
VLANs are needed only because BHs are in it and OSPF needs to have an interface 
to address, etc. 

Rip apart and S16 and add Sync Forrest ! 

Paul 😊 

From: Af [mailto: af-boun...@afmug.com ] On Behalf Of Forrest Christian (List 
Account) 

Sent: Friday, March 31, 2017 10:08 AM 
To: af < af@afmug.com > 

Subject: Re: [AFMUG] Gigabit ethernet converters? 



What I keep hearing from customers is that they want to run a multistrand cable 
up the tower and have an all in one box at the top which they terminate the 
cable into, hook up power to it, and then run short jumpers to their radios. 
I've heard this from enough different customers that it seems like a common 
desire. 




They all seem to want the box to do media conversion and power injection and 
sync, with remote control and not much more. When quizzed about just doing a 
switch and an injector up top, they all expressed how this was unacceptable. 



At this point I'm looking at feasability. I'm not sure if this will ever see 
the light of day, a lot depends on the amount of R&D required. 




On Mar 31, 2017 7:07 AM, "Paul McCall" < pa...@pdmnet.net > wrote: 
<blockquote>




Forrest, 

For what it is worth, when we went Fiber (MST) up the tower, we run UBNT S16s 
up there which is simple and working well, and GPS pucks on the ePMP, or 
Syncbox 12 (or Junior) for devices that need sync. We have a handful of 450s, 
25 320s, and a dozen or so 900s where we use the SyncBox. 

Been very pleased so far with the reliability of the S16 POE. We VLAN APs in 
one group and BH’s each on their own VLAN, and bring it down the fiber. If we 
have other devices with fiber, we bring them down on their own fiber (off the 
same MST). Of course there is core router with fiber inputs only being used 
(with the exception of the sitemonitor which I may have to buy a media 
converter for just to isolate the electrical connection into the router. 

So, as far as anything up top, I would think it would have to be some form of 
switch, or it would be quite kludgy. 

Paul 

From: Af [mailto: af-boun...@afmug.com ] On Behalf Of Forrest Christian (List 
Account) 

Sent: Thursday, March 30, 2017 8:26 PM 
To: af < af@afmug.com > 

Subject: Re: [AFMUG] Gigabit ethernet converters? 



I've torn a couple apart that use a fairly easy to use chipset. But only 
available in commercial temperature range. 




Some of the battle here is figuring out the vendors who do this type of stuff. 
I want to avoid switches since I want this as transparent as possible, but I 
might end up having to go there. I have another secret weapon in my arsenal but 
I'm hoping I don't have to go there since that's more software and software 
takes time. 




On Mar 30, 2017 2:21 PM, "Chuck McCown" < ch...@wbmfg.com > wrote: 

<blockquote>





I looked at doing media converters last year. Not trivial. 






From: Forrest Christian (List Account) 

Sent: Thursday, March 30, 2017 2:07 PM 

To: af 

Subject: Re: [AFMUG] Gigabit ethernet converters? 




Yeah, maybe I should be clearer what I'm looking at. 



I'm looking at various options to build a tower-top box to simplify the fiber 
up the tower with syncronized radios at the top.. Think a multiport ubiquiti 
fiberpoe with sync over power and a gps receiver built in, along with tower-top 
management. 



I don't want to include a switch up top - most people want as little as 
possible up there, and I'd rather keep the whole thing as simple as possible - 
I'd rather just use a copper-to-sfp chipset, but I haven't found any which I 
feel comfortable integrating. So I need to tear some more of the units apart to 
figure out what chipsets are available. 



-forrest 






On Thu, Mar 30, 2017 at 8:12 AM, Adam Moffett < dmmoff...@gmail.com > wrote: 
<blockquote>



RB260. 

Haven't had one fail due to cold yet that I know of. That's a switch, so maybe 
it's more complicated than you're going for. 





------ Original Message ------ 

From: "Forrest Christian (List Account)" < li...@packetflux.com > 

To: "af" < af@afmug.com > 

Sent: 3/30/2017 1:45:52 AM 

Subject: [AFMUG] Gigabit ethernet converters? 



<blockquote>


I want to buy another selection of gigabit copper to sfp converters for reverse 
engineering purposes. Ideally some which are known to work well and especially 
any which don't fail in non climate controlled environments. 



What is everyone using? 


</blockquote>






-- 





        
Forrest Christian CEO, PacketFlux Technologies, Inc. 

Tel: 406-449-3345 | Address: 3577 Countryside Road, Helena, MT 59602 
forre...@imach.com | http://www.packetflux.com 




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