topic Re: Cannot ping to Palo alto in General Topics

Cannot ping to Palo alto

PAFrank — Thu, 16 Dec 2021 01:06:26 GMT

Hi Two Palo alto are connected with each other. The configuration on the two interface is based on standard protocol as below. But both cannot ping each other. Did some step is missed? If the step is correct, it might be eve-ng config issue since it PAs are installed at it

Then Commit.

Re: Cannot ping to Palo alto

emr_1 — Thu, 16 Dec 2021 01:18:57 GMT

How do you test ping?

"ping host <target>" command send packet from MGT port, not data port you are thinking.

Please use "ping source <source ip / ip from interface> host <taget>" instead.

Re: Cannot ping to Palo alto

PAFrank — Thu, 16 Dec 2021 02:33:52 GMT

Thanks for your reply!

Yes I did it like this.

ping source 1.1.1.1 host 1.1.1.2 Cannot work

ping source 1.1.1.1 host 1.1.1.1 can work

Re: Cannot ping to Palo alto

emr_1 — Thu, 16 Dec 2021 02:42:23 GMT

Could you check one more:

"show arp ethernet1/x" (replace with your interface number)

If you can see IP address and ARP of another device, then you can check interface mgmt profile, security rule, nat rule, etc.

If not, maybe root cause is another, should check netmask, virtual router, or maybe physical cable connectivity, etc.

Re: Cannot ping to Palo alto

PAFrank — Thu, 16 Dec 2021 04:00:33 GMT

Both devices PAs can see arp and ip address of each other and they are connected directly by its own ethernet1/7. The two PAs interface are not management interface and are at the same subnet. I just configured the interfaces based on the standard protocal listed at my first post. Does it need nat or other?

Re: Cannot ping to Palo alto

emr_1 — Thu, 16 Dec 2021 05:31:57 GMT

Hmm...you don’t need nat rule for this deployment, I don't know what you are configuring other than the document said.
If you can share two configs, I can quickly review them. If it is confidential matter, I suggest you to open a ticket and review them by TAC.

Re: Cannot ping to Palo alto

DavidyPalo — Thu, 16 Dec 2021 15:16:18 GMT

How to show the info that you need to see? What info you need? Thanks