Re: 2 PIXes with their interfaces sharing the same switch andon the same VLAN.

["Scott Stursa" <stursa () 695online com>]

Rudy Setiawan said:
> Hi all,
>
> I have some problem that I need some solution/advice :)
>
> I have two PIX'es
> * PIX A WAN is connected to Provider A
> * PIX B WAN is connected to Provider B
> * PIX A inside interface has the IP address of 10.15.1.1
> * PIX B DMZ interface has the IP address of 10.15.1.2
> * PIX B inside interface has the IP address of 10.17.1.1
> * Subnet mask for all of the IP addresses 255.255.0.0 or /16
>
> I disabled nat by way of nat 0 access-list to both PIXes and the
> interfaces
> as well (except the WAN).
> I have a "ip permit any any" applied to all interfaces except the WAN,
>
> A user with IP 10.17.1.2 has a gateway of 10.17.1.1 is able to ping a
> server
> in 10.15.1.10 (the server has a gateway of 10.15.1.1) but is unable to ssh
> to the server.
> But if I changed the gateway of the server to 10.15.1.2, then the user is
> able to ssh to the server.
>
> What am I doing wrong here?

Does PIX A have an explicit route defined for 10.17.0.0/16? If not, then
it's probably sending the server's packets out to the provider (how the
ICMP echo replies get back to 10.17.1.2 is a bit mysterious). Try adding a
route to PIX A for 10.17.0.0/16 pointing to 10.15.1.2.

-- 
It's not having what you want.
It's wanting what you've got.
                 - Sheryl Crow

Scott L. Stursa
CISSP, CCNP, MCSA
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