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modem/router to router

pcfreak49
Level 1
Level 1

Hello, I have a problem, I have a modem/router IP 192.168.0.1 that is connected to a Cisco router 10.10.10.1, we cannot get internet on it.

6 Replies 6

Joseph W. Doherty
Hall of Fame
Hall of Fame

As both noted IPs are private IPs, and not valid for Internet, need more details.

yes, I know that they are both private IP addresses, the modem/router has a private IP address rank 192.168.0.1 and public IP rank

the Cisco has a private IP address rank 10.10.10.10.1 that is connected to the modem/router

M02@rt37
VIP
VIP

Hello

Do you perform NAT on your Cisco Router ? Cisco router's interface facing the Modem is in DHCP add ? You need to NAT all the traffic (overload) with the IP add of that interface.

 

 

Best regards
.ı|ı.ı|ı. If This Helps, Please Rate .ı|ı.ı|ı.

Yes ip nat inside source list ACLG_IPV4 interface GigabitEthernet0 overload

OK @pcfreak49 

What about routing? You have your static route towards modem interface?

ip nat inside and ip nat outside commands are configured on the good interfaces ?

Do ping on your router:

#ping 8.8.8.8 source <LAN interface 10.10.10.x>

#sh ip nat translation

Do you have nat table filled?

 

Best regards
.ı|ı.ı|ı. If This Helps, Please Rate .ı|ı.ı|ı.

It would be very helpful to see the current running config disguising any sensitive information (Public IP, passwords, etc).

HTH

Rick
Review Cisco Networking for a $25 gift card