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Cisco c1751 to c831 VPN
18 years 3 months ago #15687
by suderman
Cisco c1751 to c831 VPN was created by suderman
Hello !
I wanted to ask You if it's possible to make vpn connection between Cisco router model C1751 on one side and on the other side router C831.
If the answer is Yes could You also point me to some configuration guides and examples.
Thanks.
I wanted to ask You if it's possible to make vpn connection between Cisco router model C1751 on one side and on the other side router C831.
If the answer is Yes could You also point me to some configuration guides and examples.
Thanks.
18 years 3 months ago #15724
by pp1dt
Replied by pp1dt on topic Re: Cisco c1751 to c831 VPN
You can configure IOS VPN on Cisco Router with C1751 and C831, the only thing is you got to have advsecurity-k9 IOS for you C1751 Router.
Cisco have lots of configuration example in their website, below is one of them, let us know if you need more info.
www.cisco.com/en/US/tech/tk583/tk372/tec...080094634.shtml#diag
:lol:
Cisco have lots of configuration example in their website, below is one of them, let us know if you need more info.
www.cisco.com/en/US/tech/tk583/tk372/tec...080094634.shtml#diag
:lol:
18 years 3 months ago #15727
by suderman
Replied by suderman on topic Re: Cisco c1751 to c831 VPN
Hello !
Thank for reply.
I think this example is very good.
I just have to check it in reality.
How do I check if my c1751 got advsecurity-k9 IOS ?
I know that it uses IOS ver. 12.2(15)T9.
Thank for reply.
I think this example is very good.
I just have to check it in reality.
How do I check if my c1751 got advsecurity-k9 IOS ?
I know that it uses IOS ver. 12.2(15)T9.
18 years 3 months ago #15776
by suderman
Replied by suderman on topic Re: Cisco c1751 to c831 VPN
Ok Now I know my c1751 doesn't support crypto i need to obtain software with advanced security options.
Thanks.
Thanks.
18 years 3 months ago #15857
by suderman
Replied by suderman on topic Cisco c1751 to c831 VPN
Now when I have the image I have put it on the router.
I've also configured both routers like in the example from cisco but something is wrong ...
I've received an error message on one of the routers:
"Processing of Informational mode failed with peer at <ip address of the second router>"
any idea what does it mean and what might be possible couse of it ?
Thanks.
I've also configured both routers like in the example from cisco but something is wrong ...
I've received an error message on one of the routers:
"Processing of Informational mode failed with peer at <ip address of the second router>"
any idea what does it mean and what might be possible couse of it ?
Thanks.
18 years 3 months ago #15922
by pp1dt
Replied by pp1dt on topic Re: Cisco c1751 to c831 VPN
How do you configure the connection, in the lab ? did you configure the WAN ip 100.1.1.1 & 200.1.1.1 as in the example with the cross cable.
It will not work as they are in the different subnet unless you have two Public ip came from the ISP, post your Router config so that we can see what is the actual problem.
It will not work as they are in the different subnet unless you have two Public ip came from the ISP, post your Router config so that we can see what is the actual problem.
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