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port mapping converting gui to cli

Unanswered Question
Sep 11th, 2014
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Hi,

I am having an issue with a new office LAN implementation and I was wondering if anyone can help.

The current setup has a Linksys router and there are port mappings for the servers for a inside and outside port. This has been input via GUI. I am upgrading to a 3845 router and have converted the GUI input to Cisco CLI. This however does not work and the LAN does not behave as it did before.

The Linksys GUI input is attached.

and I have done this conversion;

ip nat inside source static tcp 10.155.62.55 21 91.108.160.100 21
ip nat inside source static tcp 10.155.62.55 88 91.108.160.100 88
ip nat inside source static udp 10.155.62.55 88 91.108.160.100 88
ip nat inside source static tcp 10.155.62.84 3389 91.108.160.100 3389
ip nat inside source static udp 10.155.62.84 3389 91.108.160.100 3389
ip nat inside source static tcp 10.155.62.98 80 91.108.160.100 80
ip nat inside source static udp 10.155.62.98 80 91.108.160.100 80
ip nat inside source static tcp 10.155.62.98 443 91.108.160.100 443
ip nat inside source static udp 10.155.62.98 443 91.108.160.100 443
ip nat inside source static tcp 10.155.62.98 25 91.108.160.100 25
ip nat inside source static udp 10.155.62.98 25 91.108.160.100 25
ip nat inside source static tcp 10.155.62.84 8080 91.108.160.100 89
ip nat inside source static udp 10.155.62.84 8080 91.108.160.100 89
ip nat inside source static tcp 10.155.62.84 9005 91.108.160.100 9005
ip nat inside source static udp 10.155.62.84 9005 91.108.160.100 9005
ip nat inside source static tcp 10.155.62.84 135 91.108.160.100 135
ip nat inside source static udp 10.155.62.84 135 91.108.160.100 135
ip nat inside source static tcp 10.155.62.84 139 91.108.160.100 139
ip nat inside source static udp 10.155.62.84 139 91.108.160.100 139
ip nat inside source static tcp 10.155.62.84 445 91.108.160.100 445
ip nat inside source static udp 10.155.62.84 445 91.108.160.100 445
ip nat inside source static tcp 10.155.62.84 90 91.108.160.100 465
ip nat inside source static udp 10.155.62.84 90 91.108.160.100 465
ip nat inside source static tcp 10.155.62.143 3381 91.108.160.100 3381
ip nat inside source static udp 10.155.62.143 3381 91.108.160.100 3381
ip nat inside source static tcp 10.155.62.46 8081 91.108.160.100 91
ip nat inside source static udp 10.155.62.46 8081 91.108.160.100 91

91.108.160.100 being the outside public address.

Can anyone see what I have done wrong?

Thanks.

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Martin Moran Thu, 09/11/2014 - 05:56
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  • Bronze, 100 points or more

Hi @samdilloway,

A few questions for you:

  • Did you check if those servers can go to the internet?
  • Is the NAT functioning properly when they go outside?

Here is a link of a page with the step-by-step process of the port mapping configuration. Make sure you're doing it exactly like that:

http://kb.linksys.com/Linksys/ukp.aspx?pid=80&vw=1&articleid=21470

Also, a link of a TSHOOT page for the same problem:

http://kb.linksys.com/Linksys/ukp.aspx?pid=80&vw=1&articleid=22385

To be sure, the problem that you have is that users from outside cannot access to the services your mapping, right?

Let me know your answers.

HTH.

Don't forget to rate.

Rgrds,

Martin, IT Specialist

 

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