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Community Member

pix having public ip+private ip

hi

i have a question,i have a pix 501.Now on the inside interface can we have both public ip+private ip's.

internet<-->router<-->pix 501<-->(public ip+private ip)

Pleas tell me how it can be done if possible.

3 REPLIES

Re: pix having public ip+private ip

hi

Its not possible to have both Public/private behind the Inside interface as the PIX doesnt support the secondary addressing concept.

If you have another port (which is not the case with 501) u can assign the public ip to that other free port.

regds

Community Member

Re: pix having public ip+private ip

Option 1:

You will need a layer 3 device(could be a switch) before the pix to achieve this. However this will introduce an additional hop.

Option 2 (recommended): use private ips internally and for the host requiring public ips use static NAT on the pix.

Gold

Re: pix having public ip+private ip

just wondering what the ultimate goal here. perhaps we can provide a workaround.

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