I am sure this is going to be something simple, but I am admittedly stumped (not hard to do).
I have a block of External IP addresses assigned by our ISP , say 22.214.171.124/29
The gateway is 126.96.36.199 . This contains a single physical port . This is connected to a switch to allow distribution of multiple ports.
I have 2 firewalls attached.
Firewall one is assigned 188.8.131.52/29
Firewall two is assigned 184.108.40.206/29 .
If I add my new PA 850 with an external interface setting of 220.127.116.11/29, it blocks access to 18.104.22.168. The other firewall on 22.214.171.124 is not affected.
I have created no static routes or NAT on the 850 at this point.
If I set the external address of the 850 to 126.96.36.199/32. it still blocks 15.
If I swap the IP addresses, that is, set the 850 to 188.8.131.52/29 and set Firewall2 to 184.108.40.206/29, it works. So then all 3 firewalls are up.
I could leave it at that. However a) I don't know why its blocking devices further down the IP address list and I would like to and b) I have some public webservices pointing to the original IP address of 220.127.116.11 so would rather not change that.
What do the logs on the PAN say as to why the traffic is getting blocked? Might want to put in a policy of something like this for the PAN:
source zone untrust source ip 18.104.22.168/29 destination zone untrust destination ip 22.214.171.124/29 any application/any service action is allow
Just a thought.
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