Elastic IP's not responding on Palo Alto VM

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L1 Bithead

Elastic IP's not responding on Palo Alto VM

Greetings All,

 

I have a very basic question and basic issue.  I have Palo Alto up and running in my lab on AWS.  I can connect to the Management Interface just fine.  I have added eth1 to the the PA and configured the access for ping, ssh, https, etc. Also created the zone.  I am using the default virtual router. 

 

From within my VPC using another Linux instance I can ping the private IP address on eth1, but I cannot ping the elastic IP address that is associated with that eni from the internet.  I can ping the Management public address but not anything I add to eth1, eth2, etc.  I am just out of ideas!!

 

Any help would be really appreciated!

 

Greg

Palo Alto Networks Guru

Re: Elastic IP's not responding on Palo Alto VM

Hi Greg,


This should work and is supported.  I've done this myself with no issues.  Here are some things to try:

  • double check your AWS security group for that ENI
  • double check your subnet route
    • if this ENI is on a different subnet then the management ENI, does that other subnet have an IGW route?
  • SSH in and run the command: show counter global filter delta yes
    • then launch your ping to the EIP and repeat the command above
    • look for any drops
  • as a last resort, override your default inter and intra security policy rules and turn on start/stop logging
    • watch the traffic log

 

HTH,


Warby

L1 Bithead

Re: Elastic IP's not responding on Palo Alto VM

Thank you for the feedback.  Yes the ping is being denied according to the intrazone rule.  I have a management rule that allows ping set up and applied to that interface.  It should accept ping...

 

Thank you again!

L1 Bithead

Re: Elastic IP's not responding on Palo Alto VM

Ok, well based on what you told me I think I may have been blocking myself!!  It is working now and I thank you for your response.  I learned some good troubleshooting along the way!!

 

Best Regards,

 

Greg

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