Will this work for a cisco Expressway install using IOS router as fire wall

interface GigabitEthernet0/0
 description Internal LAN
 ip address
 ip access-group OutboundInternet in
 ip flow ingress
 ip flow egress
 ip nat inside
 ip virtual-reassembly in
 ip verify unicast reverse-path
 duplex auto
 speed auto
interface GigabitEthernet0/1
 description Fiber Internet Connection (Primary internet access)
 ip address
 ip access-group Internet in
 ip nat outside
 ip nat enable
 ip inspect HQ-INPECT-OUT out
 ip virtual-reassembly in
 ip verify unicast reverse-path
 duplex full
 speed 1000
 ntp broadcast client
 crypto map VPN
nterface GigabitEthernet0/2
 description EXPRESSWAY
 ip address
 ip nat outside  
 ip nat enable  
object-group network LocalEXPRESSWAY
object-group network RFC1918Private

Object-group service VOIP_DMZ
tcp 80
tcp 443
tcp 22
tcp 161
udp 123
tcp range 3000-35999
tcp 389
tcp 636
udp 514
udp range 3000-35999
udp 1024
udp 53
tcp 6970
tcp 8443
tcp 7400
tcp 2222
tcp 7001
udp range 36000-36001
udp 3478
udp 1024
udp range 36002-59999
tcp range 25000-29999

ip access-list extended Guest_2_WAN
 permit tcp object-group LocalEXPRESSWAY any

ip access-list extended privateToPublic
 permit object-group VOIP_DMZ object-group RFC1918Private any

ip access-list extended siteToSite
 permit ip object-group RFC1918Private object-group RFC1918Private

route-map natOverload deny 10
 match ip address siteToSite
route-map natOverload permit 20
 match ip address privateToPublic

ip nat inside source static route-map nonat extendable
ip nat inside source route-map nonat interface GigabitEthernet0/1 overload  
ip nat source list Guest_2_WAN interface GigabitEthernet0/1 overload

ip access-list extended In_2_Out
 permit ip any any reflect StatefulInbound  

ip access-list extended Out_2_In
 evaluate StatefulInbound
 permit ip any host  

interface GigabitEthernet0/1
  ip access-group Out_2_In in
 ip access-group In_2_Out out
John MyersConsultantAsked:
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atlas_shudderedSr. Network EngineerCommented:
Assuming that you are trying to filter traffic out, there is no actual access list named:  access-group OutboundInternet, technically the router won't allow you to place an access-group that doesn't associate to a configured ACL and in the event that you delete the ACL after the fact, the access-group will still list but become null.  At best, there is no effect on the interface

On the outside, this - access-group Internet - has no access-list reference (same as above)

Additionally, at the bottom of your script you re-write the access groups referenced on gig 0/1.  Since an interface can have only one ACL applied in each direction at any given time then the last two entries are what will be applied.

Lastly, assuming that the only traffic that you want to be permitted in from the Internet is the traffic allowed out from the LAN and marked in your RACL or only that traffic destined for then you

Should work but I would suggest cleanup.

ip access-list extended privateToPublic
 permit object-group VOIP_DMZ object-group RFC1918Private any - your object groups are reversed.

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John MyersConsultantAuthor Commented:
Thank for input
John MyersConsultantAuthor Commented:
atlas_shudderedSr. Network EngineerCommented:
No worries.  Good luck
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