Category: Networking

How To Make New VLANS On A CISCO Switch, And Assign Ports To It

  1. Type ‘enable’ to enter privilege mode.

SW1>enable

2. Type ‘show vlan brief’ to see current configuration regarding the VLANs.

Sw1#show vlan brief

3. Type ‘conf t’ to enter terminal configuration mode.

Sw1#conf t

Enter configuration commands, one per line. End with CNTL/Z.

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How To Create Users With and With-out Encrypted Passwords

  1. Type ‘enable’ to enter privilege mode.

SW1>enable

2. Type ‘conf t’ to enter terminal configuration mode.

SW1#conf t

Enter configuration commands, one per line. End with CNTL/Z.

3. Type ‘username root privilege ?’ to check the privileged levels.

Note: These are the standard privileged levels.

  • User mode – privilege level 1
  • Privileged mode – privilege level 15

SW1(config)#username root privilege ?

<0-15> User privilege level

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What Is An OSI Model (Open System Interconnection Model)

The OSI Model is a concept used to describe the functions of a networking system. This model splits the communication done by a system into 7 layers: (Physical, Data Link, Network, Transport, Session, Presentation, and Application).

Note: This is a just a reference model to describe a network architecture and not all systems will exactly copy this model.

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