RV042 Subnet Separation Problems...

Answered Question
Apr 23rd, 2010
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Hi all, i have my RV042 with 2 subnets 192.168.1.0 and 192.168.2.0 and i neet a way to block trafic between....

Correct Answer by Alejandro Gallego about 6 years 11 months ago

Welcome to the Cisco Community.


If possible could you provide us with a little more information. If you could explain how the two networks are connected like, is there a managed switch, are these subnets in a VLAN, what is the IP of teh gateway for each netwrok and so on.

There are a efw different ways we can prevent one subnet from talking to another, one way would be by creating an ACL in the router, but this would only work if the router directly handled the traffic between the networks. In other words, if we are not using a Layer3 switch for example.

If the router does handle all the traffic then you should be able to do something like this:


RV_ACL.jpg

Take note that the range is for ALL IPs. If the router's IP is this range you could lock yourself out.


Hope this helped.

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Correct Answer
Alejandro Gallego Fri, 04/23/2010 - 11:28
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  • Cisco Employee,

Welcome to the Cisco Community.


If possible could you provide us with a little more information. If you could explain how the two networks are connected like, is there a managed switch, are these subnets in a VLAN, what is the IP of teh gateway for each netwrok and so on.

There are a efw different ways we can prevent one subnet from talking to another, one way would be by creating an ACL in the router, but this would only work if the router directly handled the traffic between the networks. In other words, if we are not using a Layer3 switch for example.

If the router does handle all the traffic then you should be able to do something like this:


RV_ACL.jpg

Take note that the range is for ALL IPs. If the router's IP is this range you could lock yourself out.


Hope this helped.

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