I have a question and I think I already have a solution, but I want to know if there are other, potentially better solutions to this problem:
My ISP give us a modem+router. There is no option for modem only (why is because of the following). They use 2 subnets for their system: A 192.168.0.0/8 for the internetconnection in the house, and a separate 10.0.0.0/24 for the IPTV. This is a problem: I wanted to use my own router in order to be able to actually control portforwarding and so on, and want all my networking to come together in one central location. The modem however cannot be moved - the coax is in place and having them come over to move it is expensive.
Before I learnt of the issue with the 2 subnets, my idea was to simply have one TP ethernet cable run from the modem to my new router (in a different location due to a lack of space) and have one cable from that router into my switch (a DLINK DGS-1216T). the problem is that I’m not allowed to hand out the IP’s for the IPTV boxes - and they need a direct connection to the ISP’s modem/router. That would require me to route 2 extra cables, something I didn’t want to do.
One sollution would be to get myself a second gigbit switch and place it in between the routers, and connect the IPTV’s there. However, I think I might have found a better sollution using the VLAN in my DLink switches:
http://teksyndicate.eu/pics/.nero/forum/DSC_5279.JPG
Would this work?
VLAN 2 would be a 192.168.1.0/8 subnet. The ISP’s router would just forward everything to my linksys router so I can handle portforwarding there.