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TOPIC: Public IP Configuration Cisco ASA 5505 with a Switch

Public IP Configuration Cisco ASA 5505 with a Switch 5 years 8 months ago #36577

  • calhoun
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Hey Guys,

I'll put my hands up I'm new to this kind of networking just really played with my home router and got thrown in at the deepend as usual :-)

What I am trying to do is this:

Our ISP Connection -> ASA5505 -> Catalyst Switch -> Servers

I have managed to get NAt working so I can setup
Public IP -> Private IP on the server.

I am trying to install some software that says I cant use NAT to the Server, so I want to have the servers assigned an IP from our assigned block statically.

ie
Public IP -> Public IP

I am not sure how to go about doing this as the inside port is currently 192.168.1.1

I believe I want to keep internal IPs available as well so we can do some internal backups over second Ethernet port on the servers.

If you guys can point me in the right direction to what I should be looking for to set this up it would be appreciated.

Regards,
John
www.bytesconsulting.co.uk/ - Web Developement in Manchester
The administrator has disabled public write access.

Re: Public IP Configuration Cisco ASA 5505 with a Switch 5 years 8 months ago #36582

  • Daze
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Basically you would do this:
[code:1]
static (inside,outside) 200.200.200.100 192.168.1.2 netmask 255.255.255.255
[/code:1]
And change the 200.200.200.100 to one of your public ips, then change the 192.168.1.2 to a internal ip of your choice.

Then to allow say http traffic to your server would be like this:
[code:1]
access-list outside_access_in extended permit tcp any host 200.200.200.100 eq www
access-group outside_access_in in interface outside
[/code:1]
The administrator has disabled public write access.

Re: Public IP Configuration Cisco ASA 5505 with a Switch 5 years 7 months ago #36724

  • calhoun
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Excellent got that working.

Setup with internal ip as gateway...
www.bytesconsulting.co.uk/ - Web Developement in Manchester
The administrator has disabled public write access.
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