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End-to-end firewall migration, on-premises to cloud deployment, and configuration for Palo Alto, Check Point, Fortinet, and Forescout—plus hands-on training and Google AI agent implementation.

Accept is RADIUS. The switch must apply the RFC 2868 attributes. Wrong dictionary or a local override leaves VLAN 1. Techclick CLI lab: symptoms, commands, traps, and proof.

Umbrella only sees DNS it receives. A second resolver or a DoH browser bypasses your allow. Techclick CLI lab: symptoms, commands, traps, and proof.

Forescout must be able to change the port (SNMP/CLI/RADIUS CoA). Compliance without a switch action leaves the old VLAN. Techclick CLI lab: symptoms, commands, traps, and proof.

DNAT needs a matching network rule, the right firewall public IP, and SNAT/return through the firewall. Policy hierarchy can hide a deny. Techclick CLI lab: symptoms, commands, traps, and proof.

Private endpoints need the privatelink DNS zone linked to the VNet. Without it, the public name never flips. Techclick CLI lab: symptoms, commands, traps, and proof.

502 is backend health. Probe path, host header, or NSG from the gateway subnet is wrong. Techclick CLI lab: symptoms, commands, traps, and proof.

Custom rules evaluate first. A sloppy contains() on a header will 403 a partner. List the custom rules before you disable OWASP. Techclick CLI lab: symptoms, commands, traps, and proof.

Connected is IKE. BGP is a second session on the tunnel. If BGP is down, Azure has no prefixes unless you also have traffic selectors. Techclick CLI lab: symptoms, commands, traps, and proof.

A NIC NSG, a subnet NSG, and an Application Security Group all stack. list-effective-nsg is the only merged view. Techclick CLI lab: symptoms, commands, traps, and proof.

FTD HA has config sync and state sync. show high-availability on the device is more honest than the FMC widget. Techclick CLI lab: symptoms, commands, traps, and proof.

OMP is the overlay routing. show omp routes and advertised/received. A missing site-id, VPN, or policy filter is usual. Techclick CLI lab: symptoms, commands, traps, and proof.

show control connections must list vBond/vSmart. If control is down, first check DTLS/TLS to vBond, not the LAN. Techclick CLI lab: symptoms, commands, traps, and proof.

show asp drop and intrusion events name the Snort signature. Suppress or set that rule to alert, do not turn off IPS. Techclick CLI lab: symptoms, commands, traps, and proof.

firewall-engine-debug on the FTD names the rule that actually matched, including default action and identity. Techclick CLI lab: symptoms, commands, traps, and proof.

SNAT automap on a busy VIP can exhaust ephemeral ports. Connection table and SNAT stats show it. Techclick CLI lab: symptoms, commands, traps, and proof.

show cm sync-status. If Changes Pending, sync from the device that has the good config. Do not sync the wrong way. Techclick CLI lab: symptoms, commands, traps, and proof.

This is the client-ssl profile, not the pool. Cipher list, TLS version, or SNI/cert mismatch. Techclick CLI lab: symptoms, commands, traps, and proof.

VLAN failsafe reboots or fails over when a VLAN goes quiet. Tune the timeout or the action so a storm does not take the pair down. Techclick CLI lab: symptoms, commands, traps, and proof.