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New Member

Port forwarding on a Cisco 877 router

I have a customer who needs to be able to do port forwarding so his branch sites can log into virtual machines.  They currently have a Cisco 877 router which was installed by someone else.  I have no idea how to work it or if this is even possible on this router.  So firstly is this possible and secondly, if it is, how do i do it?!?!?!

Any help would be greatly appreciated.

2 REPLIES
New Member

Port forwarding on a Cisco 877 router

Hi Rob, of course it is possible. First of all you should know which TCP/UDP port numbers will be redirected. For instance, as far as I know only HTTPS (TCP/443) port is enough to communicate with an ESXi server. So if that is the case, you can do it like below;

ip nat inside source static tcp 192.168.1.1 443 interface dialer 0 443

I assume that your ESXi server IP address is 192.168.1.1 and the outside interface you are using is a dialer interface and its number is 0. If you send the current configuration with the IP address of your system, and if you clarify your requirement we can help you.

Hope this helps

Ali TADIR

New Member

Port forwarding on a Cisco 877 router

To be honest this is my first time doing something like this so i am not entirely aware of what it all is.  I have 4 virtual machines on a Hyper-V server on Windows Server 2008 R2.  The branches have their own internet connections and are currently not connected in any way to the head office.

The router also supplies the broadband to the rest of the office which it would still need to do.

Currently i'm not at the same place as the router so can't get the current configuration but i'll upload it when i can.

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