Cheatsheets
Network configuration troubleshooting steps

Network configuration troubleshooting steps

Verify IP address configuration

Ensure correct IP assignment and subnets across devices.
Check DNS settings

Ensure DNS servers are properly configured to resolve hostnames.
Inspect firewall rules

Verify that firewall rules aren't inadvertently blocking traffic.
Review routing tables

Confirm that routing paths are set up correctly for internal and external traffic.
Check VPN or proxy settings

Ensure VPN or proxy configurations aren't slowing down traffic.
Inspect NAT rules

Verify that Network Address Translation (NAT) is correctly translating IP addresses.
Audit VLAN configuration

Ensure VLANs are properly configured and not interfering with traffic flow.

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Network configuration troubleshooting steps