Tag: Troubleshooting

Important FortiGate CLI commands (HA and Sessions)

FortiGate High Availability Cluster CLI commands: Manage the specified FortiGate unit (X ist the unit number): execute ha manage X Set the current ForitGate Unit as master: diag sys ha set-as-master enable Get HA Status: get system ha status   FortiGate Session commands: Get all Sessions: diag sys session list Filter Sessions: diagnose sys session … Continue reading Important FortiGate CLI commands (HA and Sessions)

Tricks: Steps to Fix the Cisco VPN 412 Error

Cisco VPN Error 412 for Legacy VPN Client v5.0.0.07   Reason 412. The remote peer is no longer responding". Means that the software VPN Client detected that the VPN server is not responding anymore and deleted the connection. It can be anything from IPSEC traffic being blocked by your upstream device, NAT Issues or simply misconfigured VPN Settings: Once … Continue reading Tricks: Steps to Fix the Cisco VPN 412 Error

Tricks: 6 handy and simple tools in Network troubleshooting

Sweep Ping. If you want to check all the devices on the LAN Network by doing a sweeping ping to all the IPs in a given /2 subnet. for /L %a in (1,1,254) do @ping -n 1 192.168.1.%a|find "TTL" Just replace the 192.168.1 with your first three octets. 2. DIsplay your machines Routing Table using … Continue reading Tricks: 6 handy and simple tools in Network troubleshooting

Tricks: Cisco VPN on Windows 8.1 or Windows 10 – Reason 442: Failed to enable Virtual Adapter

Problem: Error when connecting to VPN Error Message: Reason 442: Failed to enable Virtual Adapter If you receive this error on Windows 8.1 or Windows 10 while trying to connect with the Cisco VPN Client then the solution is a simple registry fix. To fix: Click Start and type regedit in the Search field and hit enter. Navigate to HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\CVirtA Find the String … Continue reading Tricks: Cisco VPN on Windows 8.1 or Windows 10 – Reason 442: Failed to enable Virtual Adapter

Tools: Flow Trace in Fortigate

The flow trace feature in the FortiGate units allows you to trace to flow of a packet through the firewall you are consoled to. It allows you to see if the packet is being denied for some reason or being allowed by a particular policy. You can also see what NAT rule and routing is … Continue reading Tools: Flow Trace in Fortigate