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This comprehensive CCNA Switch command cheat-sheet is based on Cisco Networking Academy CCNA version 6 and version 7 course material, ideal for CCNA exam preparation and network administration tasks.
You Should Know:
Basic Switch Configuration
enable configure terminal hostname SW1 enable secret Cisco123 service password-encryption banner motd Unauthorized Access Prohibited
VLAN Configuration
vlan 10 name Sales exit interface fastEthernet 0/1 switchport mode access switchport access vlan 10 no shutdown
Trunk Port Configuration
interface gigabitEthernet 0/1 switchport mode trunk switchport trunk allowed vlan 10,20,30 switchport trunk native vlan 99
STP (Spanning Tree Protocol)
spanning-tree vlan 10 root primary spanning-tree portfast show spanning-tree vlan 10
Port Security
interface fastEthernet 0/5 switchport port-security switchport port-security maximum 2 switchport port-security violation restrict switchport port-security mac-address sticky
Backup & Restore Config
copy running-config startup-config copy startup-config tftp://192.168.1.100/backup.cfg
Troubleshooting Commands
show interfaces status show vlan brief show mac address-table show running-config ping 192.168.1.1 traceroute 8.8.8.8
Password Recovery (Break Sequence)
1. Power cycle the switch
2. Press Mode button during boot
3. Use `flash_init` and `load_helper`
4. Rename config.text to config.old
5. Boot with `boot` command
What Undercode Say
Mastering Cisco switch commands is essential for network security and efficiency. Practice these commands in a lab environment before applying them in production. Automation with Python scripts can further streamline repetitive tasks.
Expected Output:
A fully configured Cisco switch with secured VLANs, trunk ports, and enforced port security.
Prediction
As networks evolve, expect more AI-driven automation in Cisco devices, reducing manual CLI configurations.
Relevant URL: Cisco CCNA Certification
IT/Security Reporter URL:
Reported By: Https: – Hackers Feeds
Extra Hub: Undercode MoN
Basic Verification: Pass ✅
