3msands,By default the pix will not send traffic to other interfaces that have the same security level. So 1security level 50 interface wont talk to another level 50."Interfaces with the same security level cannot communicate with each other. We rec...

hiyou can tryin line modeline vty 0 4login localthen in globalusername cat privilege 15 password 0 dogor try using the priv command under the line mode. (have not used this)

You might want to take a look at the cisco safe documents. There pretty detailed and give some good advice, however it may not be what you need.