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Is it possible to configure Cisco SR520-FE with multiple public IP numbers using static nat

Posted on 2010-11-17
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Last Modified: 2012-05-10
I was hoping to assign an unused IP address from my ISP to a private IP address inside on a new server. I don't see any options in CCA to do this and I was wondering if it was possible using the CLI. I hoped to get some basic feedback before attempting it since it's currently in use.

Thanks in advance.
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Question by:sgentry
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by:Jody Lemoine
ID: 34163870
On an SR520, this is certainly possible from the CLI.  All you need to do is set up the IP nat statement referencing the IP address tha t you want to use and make sure the ACL permits traffic to it.  Do you need an example?
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by:sgentry
ID: 34166156
jodylemoine,

Thanks for the confirmation. What I was thinking was something along these lines...

ip nat inside source static 192.168.x.x xx.xx.xxx.xxx
ip nat outside source static tcp 192.168.x.x 80 xx.xx.xxx.xxx 80

Would I still need an ACL for this?
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Jody Lemoine earned 125 total points
ID: 34178304
If you're trying to for ward 80/tcp from the outside to the inside, you should be using an "ip nat inside source static" for both.  You don't *need* an ACL fir either, but if you have ACLs or firewall rules governing your Internet-facing interfaces, you'll need to alter those to accommodate the new NAT statements.
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