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CCNA Study Community

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12 contributions to CCNA Study Community
⚔️ Lab Challenge #14 - Broken Layer 2
Hey guys! In today's lab the network is partially unreachable. Troubleshoot and fix the problem! ✅ When you’re done, post screenshots showing PC1 successfully pinging all the other PCs. Good luck 🚀
⚔️ Lab Challenge #14 - Broken Layer 2
1 like • 8d
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⚔️ Lab Challenge #13 - OSPF Adjacency Issue
Hey guys! From now on I'll try to make the labs a bit shorter because most of you find them too long. For those who like longer labs with more stuff to discover and troubleshoot: Don't worry! I'm working on something for you 👀 In today's lab, R1 and R3 are not forming a neighbour adjacency. Troubleshoot and fix the problem! ✅ When you’re done, post screenshots showing R1 and R3 successfully formed a neighbour adjacency. Good luck 🚀
⚔️ Lab Challenge #13 - OSPF Adjacency Issue
1 like • 12d
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⚔️ Lab Challenge #10 - IPv6 Troubles
The company has started testing IPv6 in preparation for their upcoming migration from IPv4. However, something in their test lab setup isn’t working. The PCs can’t reach each other. Your task: Fix the IPv6 configuration so that all PCs can successfully ping one another. ✅ Once you’ve solved it, post screenshots in the comments showing successful IPv6 pings between the PCs. Let’s see who can get IPv6 running smoothly first 💪
⚔️ Lab Challenge #10 - IPv6 Troubles
1 like • 19d
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⚔️ Lab Challenge #11 - DHCP Troubles in the Engineering VLAN
PC2 and PC3 in the Engineering VLAN are having trouble obtaining an IP address from the DHCP server. Your mission: Identify and fix the problem so that both clients can receive valid IP addresses. Once you’ve resolved the issue, configure a security feature to protect DHCP transactions from malicious or rogue DHCP servers. ✅ When everything works, post screenshots in the comments showing: - Valid DHCP leases on PC2 and PC3 - Proof that DHCP security is properly configured Let’s see who can get these clients back online first ⚡
⚔️ Lab Challenge #11 - DHCP Troubles in the Engineering VLAN
1 like • 21d
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1 like • 21d
@Vithuschan Kirupakaran-Eikemper
⚔️ Lab Challenge #8 - The Aftermath of Change Night
The network admins made some changes last night, and now the networks behind DIST-SW2 appear to be offline. Before the change, employees with clients in VLAN 30 already reported that they couldn’t reach any remote subnet. They should be allowed to reach Server2 only, but they can't reach anything. Also, one of the connections between ACC-SW1 and DIST-SW1 is currently blocked by STP, even though the admins say they configured a port-channel. Your mission: Investigate all these issues and fix them ASAP! ✅ Once everything is working, post screenshots in the comments showing: - Successful pings to the networks behind DIST-SW2 - Successful pings from VLAN 30 to Server2 - The Port-Channel between ACC-SW1 and DIST-SW1 in use Let’s see who can bring this network back online first 🔧
⚔️ Lab Challenge #8 - The Aftermath of Change Night
1 like • Nov 5
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1 like • Nov 5
@Vithuschan Kirupakaran-Eikemper
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Efrem Vargiu
2
4points to level up
@efrem-vargiu-1941
Studying for CCNA

Active 24h ago
Joined Oct 12, 2025