We have a Cisco ASA 5505; we have just upgraded our internet service with Comcast and with the information they have sent me, I'm not sure how i would configure our ASA with the two different subnets on the outside interface.
This is what they have sent:
IP Allocations: Interconnect block – 126.96.36.199/30 Netmask: 255.255.255.252 Comcast Internet gateway: .97 Customer’s WAN interface: .98
You can't have both simultaneously handling your traffic. The closest you can do directly on the ASA is to have one path as a backup route which only takes over when the first is not seen. Reference. (old guide but still valid)
I read your post completely different then Marvin ... It seems that you just got a second subnet so that you have more usable addresses? And your outside IP is 188.8.131.52? Then you can either use that new subnet as a DMZ-interface on the ASA, or you can use the addresses of this new range as public NAT-objects for incoming and outgoing traffic.
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We have configured the outside and inside Interface with official ipv6 adresses, set a default route on outside Interface to our router, we also have definied a rule , which also gets hits, to permit tcp from inside Interface to any6.
In Syslog I also se...