Hub vs Switch – Differences

Device Hub Switch
Layer Layer 1 device; Physical Layer Layer 2 device; Data link Layer
Device type Multiport repeater.

Pass all information received to all connected devices. It creates unnecessary traffic.

Network device.

Pass information only those devices need it. It avoids unnecessary traffic.

Network Use for smaller network Use for larger network
Function Connect a network, computers join in central hub Join multiple computers together within one local area network (LAN).
VLAN There is no VLAN function. VLAN can be created and security can be applied.
Broadcast One. One broadcast domain.

By default, do not breakup broadcast domain.

Forwarding Broadcast all connected devices. By default, do not forward packets to other networks like routers.
Bandwidth Provides less bandwidth. Provides more bandwidth.
Collision domain One.

Collision occurs commonly.

 

Many.

No collision occurs in full duplex switch.

Spanning Tree No Many
Duplex Half duplex Half / Full duplex
Ports Up to 12 ports Up to 48 ports
Speed Up to 10 Mbps Up to 10 Gbps

Switch

  • Layer 2 device; Data link Layer
  • Allow to connect multiple devices and port can be manged. Vlan can create & security can be apply.
  • Do not breakup broadcast domain by default
  • Do not forward packets to other networks like routers
  • Providing more bandwidth for LAN users
  • Only ‘Switch’ frames from one port to another within the switched network
  • Use hardware address to filter a network
  • Many collision domain
  • One broadcast domain

Hub

  • Layer 1 device; Physical Layer
  • To connect network, join through central hub
  • 1 Collision domain
  • 1 broadcast domain
  • Never full duplex
  • Multi-port repeater

How to setup Linksys router with a password?

Reset Router

  1. Power on the router.
  2. Locate reset hole (It is usually appears back of the router, beside the power on/off switch).
  3. Push a pin or paper clip into the reset hole and hold it for 10 seconds (all LED lights will be flashed).
  4. Release the pin or paper clip from the hole.
  5. Wait for 2 to 3 minutes to complete the reset process. Once it is completed the router LED lights goes to steady mode.

Login

Step 1: Open your browser (Firefox / Chrome/Internet Explorer / Safari)

Step 2: Type Linksys default IP address “192.168.1.1

Step 3: It prompts to type username and password.

Username: admin

Password: admin

Step 4: Click “OK

WiFi Settings

Step 5: Click “Wireless tab

Step 6: It brings to Configuration view – >Basic Wireless Settings.  Change the following configurations.

Select “Manual

Network mode: Mixed

                Network name (SSID):  <type your preferred name>

(It appears when you are connect to Wireless from your mobile)

SSID broadcast: Enabled

Step 7: Click “Save Settings

Step 8: It displays message as “Your settings have been successfully changed”.

Step 9: Click “Continue

Set Wireless Connection Password

Step 10: Click “Wireless Security” tab.

Step 11: Select Security mode as “WPA2 Personal

Step 12: Type wireless connection password. (Keep the password mixed with alphanumeric)

Step 13: Click “Save settings

Step 14: It display message as “Your settings have been successfully changed”.  Click “Continue”.

Set Linksys Router Password

Step 15: Click “Administration” tab and it brings to “Management” tab.

Step 16: Type your router password in “Router Password” and “Re-Enter to Confirm” boxes.

Step 17” Click “Save Settings

Note: Write down and keep your router password and wireless connection password in safe place.