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Beginner

Issue for inside LAN translation with CISCO 861 / RV042

Hello,

I have to connect two sites using VPN Tunnel. For that I have on one side a RV042 router and on the other side a CISCO 861. In addition to the VPN connection, I have also to translate IP addresses from one site.

On site A:

LAN: 192.168.10.0 /24

On site B

LAN 10.1.10.0/24

For the site B the LAN of site A must be 10.1.20.0/24. But I cannot change computer IP. So I need to translate (NAT) site A LAN from 192.168.10.0 to 10.1.20.0 network.

It seems that the RV042 router cannot NAT lan through VPN. Based on equipment feature I buy a CISCO 861 router. But I don’t found how to configure the inside LAN to LAN nat.

Thank you for your help.

Regards.

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Beginner

Issue for inside LAN translation with CISCO 861 / RV042

Hi,

To translate 192.168.10.0/24 to  10.1.20.0/24 the following configuration can help.

Site A

int fa0/0

ip nat inside

int ser0/0

ip nat outside

access-list 111 permit ip 192.168.10.0  0.0.0.255  any

ip nat pool TRANSLATION  10.1.20.1 10.1.20.254 netmask  255.255.255.0

ip nat inside source list 111 pool TRANSLATION

Verfication:

Show ip nat translation

Show ip nat statistics

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Rising star

Issue for inside LAN translation with CISCO 861 / RV042

Hi Laurent,

What you need is policy based static-nat which will carry your natted subnet over IPSec tunnel.

Please follow the link, which explians step by step method of setting static-nat for IPsec tunnel.

http://www.booches.nl/2009/01/policy-nat-on-cisco-router/

Hope that helps.

thanks

Rizwan Rafeek

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