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|  Posté le 24-12-2025 à 06:44:10   
| How VLANs Are Configured in CCNA Labs
VLAN configuration is a key part of CCNA Labs. This allows network segmentation for improved security and performance. Practical experience using tools like Cisco PacketTracer helps develop networking skills.
This configuration allows a flexible network design and increases security by limiting broadcast traffic. VLANs can be created in CCNA laboratories with VLAN 1 being the default. Administrators can also create VLANs in their departments such as VLAN 10, 20 etc.
Packet Tracer Lab Setup
Launch Cisco packet tracer, and create a topology with switches and PCs. Add a multilayer switch such as the 2960 or 3360. Connect PCs to access port and link switches using trunk ports
Save the file to iterate during configuration. Save the file for iteration during configuration.
Create VLANs in Step-by-Step
Enable mode allows you to access the switch CLI. Enter global configuration using configure terminal. Create VLANs by entering vlan 10, followed by SALES, and exit.
Repeat the steps for VLAN 20. vlan 0; name HR; exit. These commands allow you to enter VLAN configuration mode. This allows for easy identification.
Verify using show VLAN brief which lists VLANs and their status. For consistency, all switches in the laboratory must have identical VLANs created.
Adding ports to VLANs
Access mode is the default setting for end devices. Select an interface, such as interface fastethernet0/1. Then select port mode access and switchport vlan 10
Use switchport vlan 20 for multiple ports. The end devices that are connected here belong to this VLAN.
Check assignment with Show vlan and Show interfaces switchport. Pings between same-VLAN PCs succeed, confirming setup.
Configuring Trunk Links
Enter the code switchport-mode trunk/code> in order to enable 802.1Q tags for Gig0/1. Enter switchport trunk gig0/1 to enable 802.1Q tag.
Refine with Switchport Trunk allowed vlan 10,20 in order to restrict traffic and Switchport Trunk native vlan vlan 99 when untagged frames are present. Match the configurations at both trunk ends.
Verify trunks by using Show interfaces trunk, and Show interfaces switchport. This will prevent VLAN leakage, and optimize bandwidth.
Testing and Verification
Cross-VLAN pings fail without routing. Cross-VLAN routing is required to ping PCs within the same VLAN.
Packet Tracer's simulation mode highlights VLAN tags in trunks. These commands can be used to troubleshoot mismatches.
Common Pitfalls & Fixes
Forgetting code>switchport mode trunk/code> keeps links as access, blocking multi-VLAN traffic. When you forget trunk mode switchport, it keeps links as access and blocks multi-VLAN traffic.
VLAN mismatches drop frames--double check with code>show vlan/code>. Access drop frames due to VLAN mismatches--double check with .
Inter-VLAN Routing Basics
Configure "router on a stick" for cross-VLAN communications. Use interface gig0/0.10 on the router subinterface.
Repeat for VLAN 20. Switch trunks to router.
Why Master VLANs are important for CCNA
VLAN skills prove Layer 2 mastery, vital for CCNA certification. The labs help build confidence in troubleshooting and prepare for the exam simlets.
CCNA Courses in Pune and Job Opportunities
CCNA courses in Pune offer expert mentoring and guided Packet Tracer Labs. These 80-90 hours of training are available on weekends or during the week.
VLAN configuration forms a major part of CCNA Labs. This allows network segmentation for improved security and performance.
VLAN Basics
A switch is divided into several broadcast domains by virtual local area networks, or VLANs. As if they were on the same network, devices within the same VLAN can communicate with one another. Other VLANs are isolated and lack a router.
Packet Tracer Lab Setup
Start with Cisco packet tracer, then create a topology by using PCs and switches. Connect PCs using the access ports and connect switches with trunk ports.
Assign IP addresses to PCs. Assign IP addresses to PCs.
Save the file in order to iterate the configuration.
Create VLANs in Step-by-Step
Configure terminal allows you to enter global configuration via the switch CLI. Enter vlan 10 followed by SALES and then exit.
Continue the process for VLAN 20. Entering VLAN configuration mode is as simple as vlan 0, name HR, and exit. The VLANs can be named to make them easier to recognize.
Verify by using the show VLAN short which lists VLANs in their current status.
Assigning VLAN ports to
Access mode for end devices is set to the default. Select fastethernet0/1 as an interface, switchport mode, and switchport Vlan 10.
Switchport VLAN 20 is used for multiple ports. All devices connected to it belong to the VLAN.
You can use the show vlan command to verify your setup.
Configuring Trunk Links
Enter the code switchport mode trunk/code> to enable 802.1Q tags on Gig0/1. Enter switchport trunk Gig0/1 in order to enable 802.1Q tagging.
Switchport Trunk native Vlan 69 is used when frames without tags are present.
Verify trunks using Display interfaces trunk and Display interfaces switchport. Using this method will optimize bandwidth and prevent VLAN leakage.
Testing
Cross VLAN pings do not work without routing. Cross VLAN routing is needed to ping computers within the same VLAN.
Packet Tracer's simulation mode highlights VLANs in trunks.
Common Pitfalls & Fixes
If you forget switchport trunk mode it blocks multi-VLAN and keeps links in access mode.
Drop frames for VLAN mismatches - double check with code>show the vlan/code>.
Inter-VLAN Routing Basics
Use the interface gig0/0.10 of the router subinterface to configure "router-on-a-stick" for cross VLAN communication.
Repeat the process for VLAN 20. Switch trunks from router to switch.
Why master VLANs are important to CCNA
The labs will help you build your confidence and prepare for exam simlets.
Job Opportunities and CCNA Courses in Pune
CCNA training in Pune offers expert mentoring and guided Packet Tracer Labs. The 80-90 hour training is available at weekends and during the week.
CCNA courses offer VLAN labs directly related to the job opportunities. This increases your employability.
Packet Tracer lets you practice and pass exams iteratively.
Packet Tracer is a great tool to practice in order to pass exams and land roles within Pune's thriving IT scene. Packet Tracer allows you to practice iteratively and ace exams.
The Reasons to Choose Us?
SevenMentor's CCNA Training Course in Pune will help students develop the necessary skills for success in the workplace through the perfect combination of practical and theoretical learning. What makes this training distinct from other schools:
1. Real-World Projects
Understanding concepts is crucial However, applying them is what builds expertise. At SevenMentor each module comes with practical exercises that are hands-on and real-world simulations of projects and case studies that build your expertise and increase your confidence in real-world job opening.
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Select the option that is best for you best Choose between classes or online training. The Pune center is equipped with the latest facilities, and students who are online receive the same top-quality instruction with no compromise on the learning results.
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This ccna class is designed using a clear professional orientation. Students receive complete instruction regarding resume writing as well as interview preparation. important professional skills that will ensure they are successful in interview and job applications.
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The trainers are all highly trained and have more than 10 years of professional and academic knowledge. Their approach to teaching is focused on practical application, helping students to implement what they have learned in real-life situations.
Placement Support
SevenMentor is renowned for its dependable and comprehensive assistance with placement. From the time students sign up until they land a job, the organization helps them through practice interviews and resume editing and constant career guidance. A variety of students from various sectors have praised their selection process.
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FAQ
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Sometimes, discounts and promotions could be offered.
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Visit or Contact Them
SevenMentor Training Institute
Office No.21 and 25 A Wing, Shreenath Plaza, 1st floor Dnyaneshwar Paduka Chowk F.C Road, Shivajinagar, Pune, Maharashtra 411005
Phone: 020 7117 3071
Edité le 24-12-2025 à 06:45:12 par viholok310
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