MaxxUK Posted September 8, 2017 Share Posted September 8, 2017 Hi All. My practical experience in Networking is limited so am hoping someone out there can offer some advise to help me create a networking environment for a training course that I need to roll out. I intend to initially build a single network in which 4 PC's will be issued a class C IP (192.168.1.0/24) from a DHCP server. Students will then install a network printer yada yada yada...all pretty straightforward (I hope). I then want to subnet the network into 2 subnets, (192.168.1.0/24 and 192.168.2.0/24) and create a lab whereby users on subnet 2.0 wont be able to print as the printer is now unreachable. I then want to join the two subnets using either a single router or 2 routers. My question is: In a real word scenario, each subnet would have its own router...right? -- if so (baring in mind all I currently have is a few standard home wifi routers) how could I then configure the router(s) so that the printer is accessible from either subnet? Any help greatly appreciated. Maxx Link to comment https://www.neowin.net/forum/topic/1341862-creating-two-subnetshelp-needed/ Share on other sites More sharing options...
+BudMan MVC Posted September 8, 2017 MVC Share Posted September 8, 2017 your typical home router doesn't really allow you to do this.. And no each subnet or vlan would not need its own router.. What your going to want is a router that can do vlans. This might be possible with some soho router say dd-wrt or openwrt, etc. What home routers do you have to work with? You have no budget to go and buy some actual hardware that can do this? How many ports do you need? A L3 switch could do the routing for you.. The Cisco SG300-10 would be about $130 currently on amazon. Why would you want/need to create subnets if that is not what the class is about. And why would you be teaching it if your not up to speed with it and have the correct hardware to do it? How many ports do you need on each subnet.. This could be done with 3 cheap soho routers that allow you to turn off nat and actually route.. The problem with these cheap soho devices is they really only have dumb switch for all their ports so if you want to route with them you need to use the wan port. And then use either a switch or another router for the transit.. But that router that would need to be able to nat downstream networks, etc. If you have some hardware you can install 3rd party firmware on then yeah it can be done. Link to comment https://www.neowin.net/forum/topic/1341862-creating-two-subnetshelp-needed/#findComment-598021118 Share on other sites More sharing options...
MaxxUK Posted September 8, 2017 Author Share Posted September 8, 2017 (edited) Hi BudMan, First off thanks for the quick reply. I could go into great detail about why I have to run the course and why I (currently) dont have the correct kit but it would be rather a tedious back story. Basically -- I train on colour RIPS, Print management solutions, Apple Macs and a few bespoke bits of software but my general IT skills have their limits. I've managed to build a pretty nice environment which is fully virtualized (VSphere running a DC/Active Directory, Exchange, SQL and vanilla servers) but I have never had to think about creating subnets and routing so its a learning curve for me. Each subnet will need about 6 ports and I would like to recreate an environment that replicates real world scenarios (albeit on a small scale) to achieve the lab objectives (hope that makes sense?) If needs be I can purchase new kit as long as its at a reasonable cost so I will look at the models you mention. I'm new to this forum so is PM'ing you for any further assistance OK? Maxx Edited September 8, 2017 by MaxxUK Link to comment https://www.neowin.net/forum/topic/1341862-creating-two-subnetshelp-needed/#findComment-598021216 Share on other sites More sharing options...
+BudMan MVC Posted September 8, 2017 MVC Share Posted September 8, 2017 Sure you can PM me.. So will you have this VM setup in your classroom - you can do all the routing in a VM.. You would just need switches that can do vlans... Which are really really cheap.. You could get 2 8 port gig switches that do vlans for $30 each.,. If your going to have your VM host with you then yeah that changes everything!! How many nics does your VM host have? It can be done with 1 but 2 makes it easier for wan to the internet without having to vlan that, etc. If your VM host has multiple nics you could get by with dumb switches even. Link to comment https://www.neowin.net/forum/topic/1341862-creating-two-subnetshelp-needed/#findComment-598021254 Share on other sites More sharing options...
Mando Posted September 8, 2017 Share Posted September 8, 2017 1 hour ago, BudMan said: Sure you can PM me.. So will you have this VM setup in your classroom - you can do all the routing in a VM.. You would just need switches that can do vlans... Which are really really cheap.. You could get 2 8 port gig switches that do vlans for $30 each.,. If your going to have your VM host with you then yeah that changes everything!! How many nics does your VM host have? It can be done with 1 but 2 makes it easier for wan to the internet without having to vlan that, etc. If your VM host has multiple nics you could get by with dumb switches even. you beat me to it mate, i was going to suggest doing all of it in VMs and just get the students to RDP into your vclients, for what they need to do its transparent and a lot easier to set up the VLANS on vNics etc with minimal additional hardware. It also means if one of them somehow royally fubars any of the clients, you just roll back to the previous days snapshot. Link to comment https://www.neowin.net/forum/topic/1341862-creating-two-subnetshelp-needed/#findComment-598021372 Share on other sites More sharing options...
+BudMan MVC Posted September 9, 2017 MVC Share Posted September 9, 2017 While sure he could run all the stuff the students do as VM as well.. They can use actual hardware.. and just let the routing happen in VM.. There are many router/firewall distro's that could be used. I would suggest pfsense for sure been running it vm for years.. Link to comment https://www.neowin.net/forum/topic/1341862-creating-two-subnetshelp-needed/#findComment-598021640 Share on other sites More sharing options...
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