MAC learning and aging In Hindi with Practical
• To switch frames between LAN ports efficiently, the switch maintains an address table called the MAC table.
• When the switch receives a frame, it associates the media access control (MAC) address of the sending network device with the LAN port on which it was received.
• MAC address learning is enabled on all VLANs by default
• The switch dynamically builds the address table by using the MAC source address of the frames received.
• When the switch receives a frame for a MAC destination address not listed in its address table, it floods the frame to all LAN ports of the same VLAN except the port that received the frame.
• When the destination station replies, the switch adds its relevant MAC source address and port ID to the address table.
• The switch then forwards subsequent frames to a single LAN port without flooding all LAN ports.
• You can also enter a MAC address, which is termed a static MAC address, into the table.
• These static MAC entries are retained across a reboot of the switch.

MAC aging
• You can configure the amount of time that an entry (the packet source MAC address and port that packet ingresses) remains in the MAC table.
• You can also configure MAC aging time in interface configuration mode or VLAN configuration mode.
• The MAC aging time specifies the time before an entry ages out and is discarded from the MAC address table.
• The range is from 0 to 1000000; the default is 300 seconds.
• Entering the value 0 disables the MAC aging.
• If a VLAN is not specified, the aging specification applies to all VLANs


Hey guys, I am uploading videos on CCNA 200-301 New Exam code from Cisco. Now days in IT Profile you must be aware about the Network devices and how they are working so CCNA is the 1st setup towards this journey to learn networking. IN Cisco certified network associate course you will learn about the networking concept like Network, Network Devices, Networking between two computers, how internet is working in office. What are the basic devices re required to connect with Internet? How we can secure our network. How network topology are created and which kind of network infrastructure is used in corporate offices and also they are way to implement in the real time scenarios.
Playlist
1. CCNA 200-301 Full Course
2. Explain the role and function of network Fundamentals
3. What is 2 Tier and 3 Tier Network Topology Architectures
4. Compare physical interface and cabling types
5. What is Spine and Leaf Architecture in Hindi
6. What is collision domain Explained in Hindi
7. Collision Domain vs Broadcast Domain in Details Very Deep Knowledge
8. What is Half Duplex and Full Duplex
9. Compare TCP to UDP | Difference Between TCP and UDP
10. What is IP, IPv4, IPv6 | IP Addressing and Subnetting P-1
11. IPv4 VS IPv6 Addresses | IP Addressing and Subnetting P-2
12. What is Subnetting | IP Addressing and Subnetting P-3
13. What is Supernetting | IP Addressing and Subnetting P-4
14. IPv4 addresses | IPv4 Address Classes | Subnetting P-5
15. Subnetting Part-1
16. Subnetting Part-2 in Class C IPv4 Step by Step
17. Class B Subnetting in Hindi
18. Class A Subnetting |
19. The Need for Private IPv4 Addressing
20. What is Classful and classless IP Address
21. Explain Virtualization Fundamentals Virtual Machines
22. MAC learning and aging In Hindi with Practical
23. Frame Switching In Hindi
24. Frame flooding
25. MAC Address Table
26. Wireless Principles NON overlapping Wi-Fi Channels
27. Wireless Principles SSID and RF
28. Wireless Principles WEP, WPA, WPA2 Complete Tutorial with Difference
29.What Is VLAN, Default VLAN Complete LAB Step by Step
30. How to configure an access port for Data and Voice With Lab
31. What is Trunk Port | Difference Between Access & Trunk Port
32. What is Frame Tagging
33. What Is IEEE 802.1Q explained In Hindi by Example
34. CWhat is Inter-Switch Link (ISL) Tagging
35. What is Native VLAN In Hindi With Deep Knowledge
36. What are Benefits Of Vlan and why we create Vlan | Interview Q And A
37. What Is FLSM And VLSM Explained in Hindi
38. What is Cisco discovery protocol (CDP) In Hindi with Lab
39. What Is Layer 2 and Layer 3 In Networking, Why You Have to Learn This
40. How to prepare Interview for Network Engineer Jobs
41. What is LLDP In Hindi With step by Step LAB

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