-1
votes
2answers
202 views

Why can't I have the same subnet on WAN and LAN?

I want to know why same IP with same mask on both WAN and LAN side could be a problem. I also want to know if setting different mask, but having same IPs will resolve the routing problem. ...
-1
votes
1answer
51 views

How to integrate a separate sub-network within a customer's existing LAN? [closed]

I work for a machine builder, and our system has it's own ethernet network (192.168.1.x) with a switch and a dozen devices, most of which have firmly established static IP addresses. For our next job ...
3
votes
2answers
1k views

How ISPs will assign IPs /subnets for end users in IPv6

Consider two scenarios: The end user has a simple computer, dual-stack The end user has a LAN behind a dual-stack router How will ISPs differentiate each one of these kind of users in IPv6? An ...
2
votes
1answer
245 views

ARP discovery on multiple subnets

I have an unmanaged switch which serves traffic belonging to different subnets. Lets say these are the subnets: 192.168.0.0/24 192.168.1.0/24 192.168.2.0/24 And few more subnets which I am not aware ...
1
vote
1answer
2k views

How do I block access to LAN through OpenVPN?

I seem to be having the opposite problem of most people who set up OpenVPN: I can't seem to limit VPN clients to just the VPN subnet. Instead, once a client establishes a connection, they're able to ...
1
vote
3answers
768 views

Making hosts accessible between LAN subnets

I have two inerfaces on my router with tomato firmwre: br0 and vlan4. br0 is on 192.168.0.0/16 subnet and vlan4 on 10.0.1.0/24 subnet. As I don't want the different network services on br0 available ...
1
vote
3answers
2k views

Multiple static WAN IP addresses to single LAN subnet

Below is my home network topology. I currently have 5 static IP addresses, 3 of which are in use by 3 routers. These routers in-turn subnet internal networks and port forward. I use my SSL VPN ...
1
vote
3answers
449 views

Connecting 2 subnets securely

Im working on a plan to isolate some parts of our work network. Ideally some computers need to be decoupled from our main network (they do extremely sensitive work and so need to be extra secure from ...