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Every article, tool and page on SwitchFirewall.
Tools
- IP Subnet Calculator
- VLSM Calculator
- Windows Drive Partition Calculator
- Cisco Type 7 Password Decrypter
- DKIM and DMARC Checker
- Email Header Analyzer
- IP Address Lookup
- MAC Address Vendor Lookup
- MD5 and SHA Hash Calculator
- Network DNS Tool
- Password Strength Checker
- Random Password Generator
- Python Script Generator for Cisco
- Checkpoint Policy Backup and Restore
- Cisco FMC and FTD Upgrade Command
- Cisco Nexus 9000 NX-OS EPLD Upgrade
- Unit Converter
- Salary Hike Calculator
Basic Networking (9)
- How to reduce the Pendrive size for legacy devices
- DNS Record Types Explained: A, MX, TXT, CNAME and More
- Email Header Analyzer: Trace Origin and Check SPF, DKIM, DMARC
- How to Use iPerf for Bandwidth Testing on Windows
- How to Send a Test Email Using Telnet and EHLO
- Ethernet Cable Categories Explained: Cat5e to Cat8
- Continuous Ping with Date and Time Stamps (Save to File)
- How to Verify a File Hash (MD5, SHA) in Windows
- Ethernet Cable Color Coding: T568A, T568B and Crimping
Cisco (53)
- How to Copy a Cisco IOS Image Between Routers Using TFTP
- How to Replace a Faulty Cisco Router: Step-by-Step Guide
- Convert Cisco Switch from Install Mode to Bundle Mode
- How to Replace a Faulty Cisco Switch in a StackWise Stack
- How to Configure Local Users on Cisco Devices
- What Is an SVI? SVI vs VLAN Explained with Examples
- How to Extend a Cisco Console Cable Using Cat6
- Cisco DHCP Snooping Configuration Guide with Examples
- How to Upgrade Cisco Catalyst 2960 Switch IOS (TFTP and USB)
- Cisco VXLAN: Architecture, Configuration and Troubleshooting
- Cisco Catalyst Switch QoS Configuration Guide
- Cisco Router and Switch Password Recovery Procedures
- Cisco Switch Hardening Best Practices and Configuration
- How to Configure VRRP on Cisco Routers and Switches
- HSRP vs VRRP vs GLBP: Gateway Redundancy Configuration
- What Is NAT? Types, Configuration and Examples on Cisco
- How to Configure AAA on Cisco: Local, TACACS+ and RADIUS
- Upgrade Cisco Catalyst 9300 in Bundle Mode: Step-by-Step
- Upgrade Cisco Catalyst 9300 in Install Mode: Step-by-Step
- Cisco Nexus vPC Explained: Architecture and Configuration
- How to Upgrade Cisco Firepower Management Center (FMC)
- Cisco Error-Disabled Mode: Causes and How to Fix It
- How to Test LAN Cables on Cisco Switches Using TDR
- How to Upgrade Cisco Catalyst 4500 Switch Software
- How to Upgrade Cisco Catalyst 9200 in Install Mode
- Convert Cisco Catalyst 9200 from Bundle to Install Mode
- How to Upgrade Cisco Catalyst 3850 in Install Mode
- How to Recover a Cisco Device Stuck in ROMMON Using TFTP
- How to Upgrade or Downgrade NX-OS on Cisco Nexus Switches
- How to Configure vPC on Cisco Nexus Switches
- Step-by-Step OSPF Configuration on Cisco Routers
- HSRPv2 Configuration on Cisco Switches for Multiple VLANs
- HSRPv1 Configuration on Cisco Switches for Multiple VLANs
- How to Set Up Cisco Router and Switch for Internet Access
- How to Access Cisco Devices Through the Console Port
- Back Up and Restore Cisco Configuration Using TFTP
- How to Set Up Telnet on Cisco IOS Devices
- How to Set Up SSH on Cisco IOS Devices (Secure Access)
- Cisco Switch Stacking: Benefits and Best Practices
- How to Configure Syslog on Cisco Devices
- How to Configure SNMPv3 on Cisco Devices (Secure Setup)
- Inter-VLAN Routing on Cisco: Router and Layer 3 Switch
- How to Use Cisco Discovery Protocol (CDP)
- How to Configure Port Security on Cisco Switches
- Configure a Cisco Router for Internet Access with VLANs
- How to Upgrade IOS on a Cisco 3850 Stack (TFTP or USB)
- Speed Up Cisco TFTP Transfers by Increasing Block Size
- Cisco IP SLA Configuration for Proactive Network Monitoring
- Cisco DHCP Server Configuration and IP Reservation
- How to Reset a Cisco Switch to Factory Defaults
- Recover Cisco Switch IOS Using XMODEM: Step-by-Step
- Upgrade Cisco L2 Switch IOS Using TFTP with MD5 Check
- EtherChannel Configuration on Cisco: LACP, PAgP and Static
Check Point (14)
- How to Change DNS Settings in Check Point Firewall (Clish)
- How to Reset SIC in Check Point Firewall
- How to Create Domain Objects in Check Point (FQDN Guide)
- Check Point Firewall Troubleshooting and Debug Commands
- 100 Check Point Firewall Questions and Answers
- Check Point Firewall Packet Flow Explained
- Check Point tcpdump Commands for Firewall Troubleshooting
- How to Export a Check Point Rulebase Policy to HTML
- Check Point Firewall Architecture: Components and Design
- Extend the /var/log Partition on Check Point with lvm_manager
- How to Enable Command History in Check Point Gaia
- Check Point Policy Backup Using Migrate Export and Import
- Migrate Check Point Management Server from R80.20 to R81.10
- Fix: Unable to Connect to Check Point Management Server
Windows (12)
- Windows Networking Commands: Troubleshooting and Admin Guide
- Fix Virtualized VT-x/EPT Not Supported Error on Windows 11
- How to Move the Default User Profile Folder to Another Drive
- VMware Network Types Explained: Bridged, NAT, Host-Only
- How to Fix Slow VMware Performance on Windows 11
- Fix Slow Hyper-V Guest Network on Dell PowerEdge Servers
- Windows Commands to Check System Information and Health
- How to Activate Windows Behind a Proxy Server
- How to Edit the Hosts File on Windows (Step-by-Step)
- How to Set a Proxy Server in Windows (4 Methods)
- Fix CredSSP Encryption Oracle Remediation Error in RDP
- How to Save PuTTY Output Automatically on Windows
Network Automation (7)
- Python Script to Run Commands on Multiple Cisco Devices
- Extract Cisco Switch Serial Numbers with Python and Paramiko
- Save Switch Command Output to .txt with Python and Paramiko
- Automate Cisco Switch Health Checks with Python
- Automate Cisco Switch Configuration and Backup with Python
- Network Automation with Python: Fundamentals for Beginners
- How to Install Python on Windows for Network Automation
Fortinet (3)
- How to Configure FortiGate High Availability (HA)
- How to Configure Custom NTP Servers on FortiGate
- How to Upgrade FortiGate Firewall Firmware (Step-by-Step)