route between interfaces in ASA 5505

I have an ASA 5505 with a VLAN attached to interface E0/1 and a different VLAN attached to interface E0/2. Like so,

interface Ethernet0/1
interface Ethernet0/2
 switchport access vlan 3
interface Vlan1
 nameif DMZ
 security-level 100
 ip address
interface Vlan3
 nameif Clean
 security-level 100
 ip address
My understanding was that these VLANs would route all traffic between them by default, if they had identical security levels, and would I would need to limit that, but I get no traffic between them.  Even though traffic to the outside interface and Internet works fine from either VLAN.  Not sure where to look for this.  Anyone had a need to do this and have some ideas?  Thanks
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By default traffic are not permitted between identical security levels. Try this:

same-security-traffic permit inter-interface
access-list DMZ extended permit ip any
access-list Clean extended permit ip any
SIDESHOWBLAHAuthor Commented:
Thanks for note.  That does not seem to have changed anything , at least that I can see.  One thing I did notice looking at this over teh weekend was that there is a NAT statement for each inside VLAN, which if removed my access to the Internet stops working.  I am not using any private IPs, so not sure why I would need to NAT anything.  
If I look at the access-list log after attempting to pass traffic between these 2 VLANs, I do not see anything being logged.  So it almost like nothing is being routed, but I cannot see why.
Benjamin Van DitmarsSr Network EngineerCommented:
You need to have the nat rules from one to the other interface so the ASA knows how to handle it's traffic. also you need to set the option under the interfaces page "enable traffic between two or more interface ......"

then you also need access rules that allow's the traffic

i just test this and on my asa it's working

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