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06-11-2025 07:36 AM
I have a Meraki that has a SVI for vlan 5, 172.18.5.2 and it's trunk to a firewall that also has an SVI for vlan 5 172.18.5.1. There is a default route from Meraki pointing to 172.18.100.1 which is on the firewall. Meraki has an SVI 172.18.2.1. Server 172.18.5.76 is unable to reach IDRAC 172.18.2.75 via https though ANY is allowed on firewall. IDRAC and server are connected to switchports on Meraki. I have limited access to Palo Alto. I ran packet captures on Meraki switchports where firewall and IDRAC is connected, I see SYN and ACK but no SYN,ACK on the port where firewall is connected. Also on the switchport where IDRAC is connected, I see SYN and SYN,ACK but no ACK. Can you advise how to fix this issue. 172.18.2.76 is accessible via https through VPN. Default gateway of Server is firewall 172.18.5.1 and for IDRAC it is the Meraki 172.18.2.1
Please advise a fix
06-11-2025 11:55 AM
Hello,
I would start by double checking the trunk is allowing all the vlans it needs to. Then check routing on both devices to make sure they know where to send hte specific vlan traffic. Then check the security policies on the Palo Alto to ensure they allow the traffic.
I always refer to the unified logs on the Palo Alto to see if traffic is allowed or blocked.
Hope this helps.
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