Re: routing outbound traffic to 2 interfaces on asa
Cisco firewalls do not support PBR (Policy Based Routing). Technically, what you want to achieve is impossible since you dont have specific destinations. But if you have the IP addresses of your destinations (which you cant for smtp or www traffic), following is the workaround.
Following config will redirect mail traffic to outside and rest of the traffic including web to dmz1.
access-list smtp_nat_outbound permit ip insideipsubnet insidenetmask any eq smtp
Table of ContentsIntroductionVersion HistoryPossible Future
UpdatesDocuments PurposeNAT Operation in ASA 8.3+ SectionsRule Types
Network Object NATTwice NAT / Manual NATRule Types used per SectionNAT
Types used with Twice NAT / Manual NAT and Network Obje...
Table of Contents Introduction:This document describes details on how
NAT-T works. Background: ESP encrypts all critical information,
encapsulating the entire inner TCP/UDP datagram within an ESP header.
ESP is an IP protocol in the same sense that TCP an...