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accesing mail server without nat in as ospf environment

i have a 3550 running mpls which is connected to the OUTSIDE interface of my pix. The mpls switch is acting as an ABR in an AS, running OSPF.

few details;

ip address pix out = 192.168.2.xxx

ip address pix in = 192.168.1.xxx

mail servers = 192.168.1.1

static (inside, outside) 192.168.1.1 192.168.1.1

we wanted this mail server to be accessible by all of the other areas in the ospf AS. This i found it achievable by doing a NAT on this mail server but the customer doesnt want to do this, as this will create a lot of work on their part.

any suggestions in achieving this?

thanks.

2 REPLIES
Bronze

Re: accesing mail server without nat in as ospf environment

I think the only way a public ip address can be communiated with the private ip addresses is via NAT. Still, to find any suitable alternative suggestion, can you send me a brief overview of the OSPF areas.

I mean if you can send me the topology of your ospf area(like the areas involved, how connected, what are the switches/routers involved etc), it will be futher easy for me to draw my suggestion.

Gold

Re: accesing mail server without nat in as ospf environment

just wondering if the complication is on the subnet 192.168.1.x, where ospf doesn't include this subnet.

it is feasible to nat to a subnet, which is included in the ospf such as 192.168.2.x.

e.g.

static (inside,outside) 192.168.2.1 192.168.1.1 netmask 255.255.255.255

nat/pat/static is a must do with pix v6, thus i can't think of any other way.

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