Cisco NAT Configuration

  • Cisco1
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  • Cisco1
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Post 3+ Months Ago


I need some suggestions on how to do this. If you could please list the commands to get this accomplished that would be great.

I also want to add that I am willing to pay you $30 to give me flawless commands to get this working with the current situation.

I have 5 servers, I need all the outbound traffic to display as 1 IP, simple NAT. I have a 2948G-L3, and an IP that needs to be used is in BVI group 2(Bridge Group 2) already with a subnet mask of When I apply NAT, I don't want to disrupt the current traffic.

So here is what I was planning on doing. Please tell me if this would work.

- Make a subinterface on ethernet 1, which is my internet port, put it in Bridge Group 2. Put it as 'ip nat outside'.

- Then go to the individual ports that I want to use and statically set them to IPs such as, and put 'ip nat inside' on each port as well.

- Define my access list:
access-list 101 permit ip any
access-list 102 permit ip any any

- Tell them which IP to go out of:
ip nat inside source static
ip nat inside source static
ip nat inside source static

Would this work, or would it conflict with the current ports that are using
that same bridge group?

Would the static routes even work?

The major bottleneck is because of the way the current bridge group is setup to use a full Class C, I don't want it to affect the current servers on there.

Thank you.

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