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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 188.8.131.52/29
The gateway is 184.108.40.206 . 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 220.127.116.11/29
Firewall two is assigned 18.104.22.168/29 .
If I add my new PA 850 with an external interface setting of 22.214.171.124/29, it blocks access to 126.96.36.199. The other firewall on 188.8.131.52 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 184.108.40.206/32. it still blocks 15.
If I swap the IP addresses, that is, set the 850 to 220.127.116.11/29 and set Firewall2 to 18.104.22.168/29, 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 22.214.171.124 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 126.96.36.199/29 destination zone untrust destination ip 188.8.131.52/29 any application/any service action is allow
Just a thought.
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