Having a weird issue. I installed an 820. I have internet traffic being NAT'ed. My gateway is set to the Palo. My hops to the internet look like this
Windows Box ---> Palo 820 --> Cisco Pix --> Internet Provider
Pretty basic.. I have a rule in place to allow all internal to 0.0.0.0/0 443, 80..
I can get to anything google even your tube just fine. works fast no hesitation. If I go anywhere else ( MSN, Yahoo, CNN) I get nothing. Traffic drops. I cant figure this out for the life of me.
I got a pcap going to google and going to red.com (188.8.131.52)
I can get to google but not red. I cant find a difference. Any ideas would be appreciated.
If you're able to quantify a reliable source and destination IP address for a flow that isn't working, I would recommend taking a look at the global counters. This will show you what is being blocked, whether it be due to a policy deny or MTU issues like @BPry states.
I did look at the counters and there were no drops. I cleared all sessions to the destination. I set up my filters to 184.108.40.206. I turned my filters on.
I ran this command to clear the counters data out. ( show counter global filter delta yes packet-filter yes severity drop ) . I turned the capture on and ran (show counter global filter delta yes packet-filter yes severity drop) again to make sure I had 0 counters...
I then iniated the connection to the above address.. I ran a local wireshark to watch the connection so I knew when it was finished. When the connection was finished I ran ( show counter global filter delta yes packet-filter yes severity drop ) again and it came back with 0 counters hit...
Looking at the PCAPS packets do not appear to be getting dropped at all.. I can zip the pcaps and upload them to my server if anyone wants to take a look at them to see if they see something I do not.
Do you see the packet going to red.com hitting your PIX?
Is your DNS doing proper resolution for red.com?
Can you issue a show session all filter destination 220.127.116.11?
If you see the session please open it in the session browser and see the progress of the connectin.
Collecting this information will be a good start.
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