PIX Routing

My topology is as follows:

Cisco modem router ( external ip: xxx.xxx.xxx.248, internal ip: xxx.xxx.xxx.249) || || Subnet 255.255.255.248 V Cisco pix 501 || || V Mail server

This mail server is currently NATed where static command says all connections on port 25 for ip xxx.xxx.xxx.252 go to 192.168.1.10. Also, appropriate access-list has been setup.

I would like to change the mailserver ip to xxx.xxx.xxx.252, and have pix 501 route port 25 requests to this mail server. Does this mean I have to use up 2 more static ip's, an ip for pix's external interface and an ip for pix's internal interface? Or if you have a different way to do it, I would appreciate if you could let me know.

Thanks in advance

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Posted 5 years ago by RG in Cisco Systems

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