You should have valid DNS reverse/forward DNS anyways, right?  If you do,
your traceroutes will make perfect sense.

On Wed, Aug 26, 2015 at 2:22 PM, Joshua Stump <[email protected]> wrote:

> This is pretty much what we do as well. DNS is a must for the /30s if you
> want to make sense of your traceroutes unless you've got some sort of
> android memory...
>
> On Wed, Aug 26, 2015 at 2:19 PM, Hass, Douglas A. <[email protected]>
> wrote:
>
>> Exactly.  The site ID piece gets confusing if you try to number by
>> backhaul.  I think it makes more sense to assign subnets by physical
>> location.
>>
>>
>>
>> Tower site 1:  10.100.1.x/24
>>
>> Tower site 20: 10.100.20.x/24
>>
>> Tower site 30: 10.100.30.x/24
>>
>>
>>
>> And so forth.  This still lets you do something consistent like this:
>>
>>
>>
>> Tower site 1—Tower site 20 backhaul:
>>
>>
>>
>> 10.100.1.21/24 – local radio
>>
>> 10.100.1.22/24 – local router interface
>>
>> 10.100.20.1/24 – remote radio
>>
>> 10.100.20.2/24 – remote router interface
>>
>>
>>
>> Tower 1—Tower site 30 backhaul
>>
>>
>>
>> 10.100.1.31/24 – local radio
>>
>> 10.100.1.32/24 – local router interface
>>
>> 10.100.30.1/24 – remote radio
>>
>> 10.100.30.2/24 – remote router interface
>>
>>
>>
>> The biggest problem I had with using /30s was that unless I set up DNS, I
>> lost track of what /30 belonged to what site once I had more than a handful
>> of backhauls.  Numbering this way, without DNS, all I have to know is what
>> the site ID is.
>>
>>
>>
>> Doug
>>
>>
>>
>> *From:* Af [mailto:[email protected]] *On Behalf Of *That One Guy
>> /sarcasm
>> *Sent:* Wednesday, August 26, 2015 1:03 PM
>> *To:* [email protected]
>> *Subject:* Re: [AFMUG] Issues with doing /29 inside of routerboard
>>
>>
>>
>> Site 33:
>>
>>
>>
>> 10.100.33.0/24  (.1 local radio, .2 local router, .101 remote radio,
>> .102 remote router)
>>
>>
>>
>> Site 34:
>>
>>
>>
>> 10.100.34.0/24  (.1 local radio, .2 local router, .101 remote radio,
>> .102 remote router)
>>
>>
>>
>>
>>
>> If these are talking to one another with this scheme, the routers may be
>> able to have multiple IPs but very few radios allow multiple IPs on the
>> device
>>
>>
>>
>> Site 33 local radio is 10.100.33.1 to site 33, but that same radio to
>> site 34 would be 10.100.34.101
>>
>>
>>
>> On Wed, Aug 26, 2015 at 12:59 PM, Hass, Douglas A. <[email protected]>
>> wrote:
>>
>>
>>
>> Back to your original question, though—you would have to renumber if
>> you’re already using a /24 on an interface and now want to carve *that
>> particular* /24 up in /29s.
>>
>>
>>
>> But if you’re using private IP space, why limit yourself to /29s
>> everywhere?  Particularly if each site would have a site number, you could
>> easily do:
>>
>>
>>
>> Site 33:
>>
>>
>>
>> 10.100.33.0/24  (.1 local radio, .2 local router, .101 remote radio,
>> .102 remote router)
>>
>>
>>
>> Site 34:
>>
>>
>>
>> 10.100.34.0/24  (.1 local radio, .2 local router, .101 remote radio,
>> .102 remote router)
>>
>>
>>
>> And so on…
>>
>>
>>
>> Leave yourself plenty of room and route bigger subnets.  The site
>> numbering idea might end up a little confusing, though, since “Site 33” is
>> really TWO physical sites, and “Site 34” in my example above is TWO
>> physical sites, one of which you’ve already called part of Site 33.
>>
>>
>>
>> Doug
>>
>>
>>
>>
>>
>> *From:* Af [mailto:[email protected]] *On Behalf Of *Tim Reichhart
>> *Sent:* Wednesday, August 26, 2015 12:32 PM
>> *To:* [email protected]
>>
>>
>> *Subject:* Re: [AFMUG] Issues with doing /29 inside of routerboard
>>
>>
>>
>> Mike
>> basically rob haas was helping me out on this he sent me an little cheat
>> sheet like this:
>>
>>
>>
>> a /29 – 255.255.255.248 is what I use on the backhauls
>>
>> Each Site is assign a site number – say 33
>>
>> Every site is assigned a /24 for management with my IP scheme of
>> 10.100.site.X
>>
>> The first backhauls would fall into 10.100.33.0/29 so:
>>
>> 10.100.33.1 – Local radio
>>
>> 10.100.33.2 – Local Router
>>
>> 10.100.33.3 – Remote Radio
>>
>> 10.100.33.4 – Remote Router
>>
>>
>>
>> The next backhaul would be out of 10.100.33.8/29 so:
>>
>> 10.100.33.9 – Local Radio
>>
>> 10.100.33.10 – Local Router
>>
>> 10.100.33.11 – Remote Radio
>>
>> 10.100.33.12 – Remote Router
>>
>>
>>
>> basically I want break down the ip's down for backhauls.
>>
>>
>>
>> Tim
>>
>> ------------------------------
>>
>> -----Original Message-----
>> From: "Mike Hammett" <[email protected]>
>> To: [email protected]
>> Date: 08/26/15 01:23 PM
>> Subject: Re: [AFMUG] Issues with doing /29 inside of routerboard
>>
>> Can you tell us the bigger picture of what's going on so we can help
>> better?
>>
>>
>>
>> -----
>> Mike Hammett
>> Intelligent Computing Solutions
>> http://www.ics-il.com
>>
>>
>>
>> ------------------------------
>>
>>  *From:* "Tim Reichhart" <[email protected]>
>> *To:* [email protected]
>> *Sent:* Wednesday, August 26, 2015 12:09:01 PM
>> *Subject:* Re: [AFMUG] Issues with doing /29 inside of routerboard
>>
>>
>> I was told to take that /24 and break it down to /29. But I didn't see an
>> way to make work without readdressing whole subnet.
>>
>> Tim
>>
>> -----Original Message-----
>> Subject: Re: [AFMUG] Issues with doing /29 inside of routerboard
>> From: "Mike Hammett" <[email protected]>
>> To: [email protected]
>> Date: 2015/08/26 18:59:54
>>
>> I did not, no.
>>
>>
>>
>>
>> -----
>> Mike Hammett
>> Intelligent Computing Solutions
>> http://www.ics-il.com
>>
>>
>>  From: "Josh Luthman" <[email protected]>
>> To: [email protected]
>> Sent: Wednesday, August 26, 2015 11:58:27 AM
>> Subject: Re: [AFMUG] Issues with doing /29 inside of routerboard
>>
>>
>> Did you mean a /29 on eth1?
>> Josh Luthman
>> Office: 937-552-2340
>> Direct: 937-552-2343
>> 1100 Wayne St
>> Suite 1337
>> Troy, OH 45373On Aug 26, 2015 12:53 PM, "Mike Hammett" <[email protected]>
>> wrote:
>>
>> You can't have overlapping subnets.
>>
>>
>>
>> -----
>> Mike Hammett
>> Intelligent Computing Solutions
>> http://www.ics-il.com
>>
>>
>>  From: "Tim Reichhart" <[email protected]>
>> To: [email protected]
>> Sent: Wednesday, August 26, 2015 11:52:43 AM
>> Subject: [AFMUG] Issues with doing /29 inside of routerboard
>>
>> Hi guys
>> I am having bit of an issue getting /29 to work in routerboard. What I am
>> looking to do is put 172.16.2.x/29 on ether2 but I already have
>> 172.16.2.1/24on ether1. So I don't know what I am missing here.
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>> *Douglas A. Hass*
>> Associate
>> 312.786.6502
>> [email protected]
>>
>> *Franczek Radelet P.C.*
>>
>> 300 South Wacker Drive
>> Suite 3400
>> Chicago, IL 60606
>> 312.986.0300 - Main
>> 312.986.9192 - Fax
>> www.franczek.com
>> www.wagehourinsights.com
>> Connect with me:
>>
>> [image: linkedin] <http://linkedin.com/in/douglashass>
>>
>>
>>
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>>
>>
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>>
>> --
>>
>> If you only see yourself as part of the team but you don't see your team
>> as part of yourself you have already failed as part of the team.
>>
>
>
>
> --
> Joshua Stump
>
> Network Administrator | Fourway.NET | 800-733-0062
>

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