Layer3

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Switch: Switch is used to send data from one system another in a network. Commonly switches are Layer1, layer2, Layer3 and Layer4. Layer1 is simply called Hub....

What is MPLS? MPLS stands for Multi-protocol Label Switching. MPLS is a packet forwarding technology that is capable of carrying any L3 protocol and here comes the...

CCNA – Cisco Certified Network Associate IP Troubleshooting (For Ping Command).   First of all check the NIC that is it is working properly or not.   Check...

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