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. 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