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Question

Routing to different LAN subnets on windows

by Bregt / January 9, 2016 5:17 PM PST

hello,

Our network is build up out of 9 routers.
The first one being a router recieved from our ISP.
connected to that one there are 8 routers configured with DHCP, NAT and their own Subnet.
All firewalls are disabled. And all routers are configured in The same way. We have 6 routers of The type wrt120n linksys and 2 routers type eaw4500 linksys.

We are trying to monitor our network with prtg, The prtg host is directly connected to The ISP router and has ip 192.168.10.201. for everything directly connected to The ISP router, this works fine. So we can monitor our routers.

We want to monitor everything behind those routers Too.

So i configured persistent static routes on the prtg server to Every Subnet. The problem is that i can only get one to work.

Can anyone help me please?

ISP router 1 lan ip: 192.168.10.1
Router 2: wan 192.168.10.102 lan 10.10.102.1
Router 3: wan 192.168.10.103 lan 10.10.103.1
Router 4: wan 192.168.10.104 lan 10.10.104.1
Router 5: wan 192.168.10.105 lan 10.10.105.1
Router 6: wan 192.168.10.106 lan 10.10.106.1
Router 7: wan 192.168.10.107 lan 10.10.107.1
Router 8: wan 192.168.10.108 lan 10.10.108.1
Router 9: wan 192.168.10.109 lan 10.10.109.1

Default gateway on Every router and device is set to 192.168.10.1, whitch is The ISP router.


This is what i did in the prtg server:

Route add -p 10.10.102.0 mask 255.255.255.0 192.168.10.102

Route add -p 10.10.103.0 mask 255.255.255.0 192.168.10.103

Etc...

These routes are all visible with The active and with The persistent routes.
These routes have a metric of 21 in The active routes view and a metric of 1 in The persistent routes view when i type 'route print'

When i Ping a device behind The routers it is only possible with 1 router.

Can anyone help me please?

When i put all internal routers to RIP insead of NAT i can Ping everything behind it but i can't get access to The internet with devices behind The routers. If this could be solved or i could solutions for both options i would be very gratefull.

Ps.: our ISP'S router doesn't allow putting in static routes, so i did it in The prtg server.

Thanks a lot,

Bregt

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All Answers

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Answer
This is something I get a CCNA in the house for.
by R. Proffitt Forum moderator / January 9, 2016 6:08 PM PST

Let them set it up.

By the way, with switched hubs I haven't bothered with subnets in over a decade. But I do run into new networkers that insist on subnets. Can't figure out why today.

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The cheap way
by Bregt / January 10, 2016 3:04 PM PST

Problem is that there is no money to get someone in house for this, normale this setup should work but i don't know why it doesn't, that is why i would hope for an awnser Wink

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That's often a reason I run into.
by R. Proffitt Forum moderator / January 10, 2016 3:27 PM PST
In reply to: The cheap way

But you didn't reveal why you think subnets would help. Today's switched hubs mean I no longer subnet. They still teach subnetting today but at the office we don't do this anymore. It's a small shop with just about 100 or so client machines. And if you count the IoT devices, over 200.

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No managed switches
by Bregt / January 10, 2016 11:50 PM PST

Problem is we do not have managed switches.
we are a theater and we have meeting rooms at the top where we need +- 100 ip's. we have a dedicated technical network where we also need a lot of ip's and we have the office with +- 50 ip's and when there is a big group of artists we also need on the 'artist' network +- 50 ip's and our ISP only allow us to have 63 ip's available.

Kind regards

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Didn't note managed switches.
by R. Proffitt Forum moderator / January 11, 2016 12:16 AM PST
In reply to: No managed switches

But did note switched networks.

As to the 63 IP's that's why we use routers. You really need to get a network specialist there and not manage them. Some of what you write is what I see new networkers try.

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