Virtual Local Area Networks (VLANs) are used in almost every single network in the world, even homes and businesses need and use Virtual LANs (VLANs). This short, fun-filled, and fact-filled video by Todd Lammle provides the insight you need to follow and understand the VLAN videos in this series.
- I know I keep telling you this,…but so you never forget it…here I go one last time.…By default switches break up collision domains…and routers break up broadcast domains.…In contrast to the networks of yesterday…that were based on collapsed backbones,…today's network design is characterized by…a flatter architecture…thanks to switches.…So now what?…By creating Virtual Local Area Networks or VLANs…we break up a broadcast domain…in a pure switched internetwork.…
A VLAN is a logical grouping…of network users and resources connected…to administratively defined ports on a switch.…A VLAN is treated like its own subnet or broadcast domain.…Meaning that frames broadcasted onto the network…are only switched between the ports…logically grouped within the same VLAN.…When you create VLANs you're given the ability…to create smaller broadcast domains…within a layer 2 switched internetwork…by assigning different ports on the switch…to different subnetworks.…Does this mean we no longer need routers?…It really depends on what your…
Author
Released
9/30/2016For more information on the CCENT exam, visit Cisco's website.
- Overview of internetworking
- Ethernet
- The TCP/IP networking model
- Easy subnetting
- VLSM
- Managing Cisco IOS
- Managing Cisco networks and devices
- IP routing
- Layer 2 switching
- VLANs and InterVLAN routing
- Security
- Network address translation
- IPv6
Skill Level Intermediate
Duration
Views
Related Courses
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Introduction
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Welcome54s
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The CCNA exam58s
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Lab environment overview1m 3s
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1. Internetworking
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Internetworking devices4m 20s
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2. Ethernet
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Ethernet overview2m 23s
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Ethernet addressing3m 51s
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Ethernet cables4m 55s
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3. Introduction to TCP/IP
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Overview of TCP/IP model2m 40s
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Application/process layer2m 19s
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Internet layer3m 37s
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IP addressing4m 33s
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4. Easy Subnetting
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Subnet basics1m 28s
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Subnet block sizing5m 25s
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Subnet by example5m 6s
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Class B subnetting3m 53s
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5. VLSM, Summarization, and Troubleshooting TCP/IP
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VLSM2m 38s
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VLSM by hand6m 28s
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6. Cisco Internetworking Operating System (IOS)
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Introduction to the IOS CLI3m 55s
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Basic CLI commands5m 23s
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Telnet and SSH5m 4s
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7. Managing a Cisco Internetwork
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Router and switch components2m 27s
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Configure DHCP3m 48s
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8. IP Routing
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Overview of IP routing3m 45s
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The IP routing process3m 50s
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Configure IP routing6m 41s
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Static routing5m 28s
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Default routing5m 36s
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Configure RIPv26m 52s
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Verify RIPv2 routing5m 55s
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9. Layer 2 Switching
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Configure a Catalyst switch7m 33s
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Configure port security5m 5s
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10. VLANs and InterVLAN Routing (IVR)
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Overview of VLANs3m 2s
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Configure VLANs3m 8s
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Configure trunk links5m 15s
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Configure IVR on a router2m 42s
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11. Security
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Introduction to access lists2m 24s
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Configure access lists4m 3s
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12. Network Address Translation (NAT)
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Introduction to NAT2m 18s
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Static NAT2m 53s
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Configure static NAT3m 11s
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Dynamic NAT2m 44s
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Configure dynamic NAT3m 44s
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NAT overload (PAT)3m 56s
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Configure NAT overload5m 26s
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13. IPv6
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Introduction to IPv62m 22s
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Overview of ICMPv62m 55s
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Configure IPv66m 7s
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Conclusion
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Next steps51s
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Video: Overview of VLANs