CCNA LAB SVI DHCP server VTP Root guard BPDU filter Inter VLAN routing 802.1q portfast and more
ccie.internetworks.in/2024/1…
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So, I was assigned to;
➫ Design the whole topology
➫ VLAN and Trunking
➫ Portfast and BPDU guard
➫ IP addressing
Now, I let my teammates cook the rest... @te
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CCNA KNOWLEDGE
Which Layer 2 security feature helps prevent untrusted DHCP servers from providing addressing information to clients?
A) DHCP snooping.
B) PortFast.
C) Rapid PVST .
D) LLDP.
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This is the logo Identity for PortFast Laundry
The P and L form a lighting bolt for speed the 12 droplet around it signify their 24 hours service.
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STP, PortFast & BPDU Guard: Secure Your Network Edges (Best for CCNA) youtu.be/AokyjK9ZLU4?si=x-S7… via @YouTube
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CCNA LAB SVI DHCP server VTP Root guard BPDU filter Inter VLAN routing 802.1q portfast and more
ccie.internetworks.in/2024/1…
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3月23日〜29日
面接準備
リンク層復習（MACアドレステーブル、ARP、フラッディング、STP、VLAN（軽く））
パケットトレーサー
スイッチドネットワークで初期状態と通信後のテーブル確認
stp（各ポートの選出理由を考える、RSTPとの収束時間の違いを見る、portfast、BPDUガード設定、TC確認）
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Controlling Layer-2 topology like a Queen 👑
STP lab validation:
✅ Root bridge elections
✅ VLAN root manipulation
✅ Path-cost tuning
✅ Port priority adjustments
✅ PortFast BPDU Guard
Verified port roles using show spanning-tree in Cisco Packet Tracer.
Mastering Spanning Tree Protocol means controlling the network, not guessing it.
What was the concept that finally made STP “click” for you? @LearningatCisco #Networking #Cisco #CCNA #NetworkEngineering
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CCNA LAB SVI DHCP server VTP Root guard BPDU filter Inter VLAN routing 802.1q portfast and more
ccie.internetworks.in/2024/1…
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CCNA LAB SVI DHCP server VTP Root guard BPDU filter Inter VLAN routing 802.1q portfast and more
ccie.internetworks.in/2024/1…
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Day50/100 #100DaysOfNetworking
The topology includes a multilayer switch providing inter-VLAN routing via SVIs for VLANs 10, 20, and 30, supported by two layer 2 switches .
EtherChannel were configured, PortFast, and BPDU Guard which maintains loop prevention and security.
Day49/100
Rounded up with the types of FHRP, by reading on GLBP and its attributes also covered basic configuration of HSRP. @ireteeh @TemitopeSobulo @OnijeC @sisinerd @segoslavia @NetworkQueenX
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27 Dec 2025
CCNA LAB SVI DHCP server VTP Root guard BPDU filter Inter VLAN routing 802.1q portfast and more
ccie.internetworks.in/2024/1…
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10 Dec 2025
📝 CCNA quiz
Which STP features allows a port to skip the Listening and Learning states, and immediately start forwarding frames?
a) BPDU Filter
b) PortFast
c) BackboneFast
d) UplinkFast
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Day27/100 #100DaysOfNetworking
Enabled RSTP on all switches to enable faster convergence
Implemented portfast and bpdu guard on an interface to prevent rogue devices from gaining access to the network. @ireteeh @NetworkQueenX @OnijeC @TemitopeSobulo @segoslavia @sisinerd
Day26/100 #100DaysOfNetworking
Manually adjusted bridge priority values , which forces predictable root bridges .
Assigned primary and secondary root bridges, which determines the main and backup root. @ireteeh @TemitopeSobulo @sisinerd @NetworkQueenX @OnijeC @segoslavia
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Day25/100 #100DaysOfNetworking
Completed a rapid PVST implementation
Deployed 3 switches in a redundant triangle topology
Set up vlans(10,20,30)
Manually elected the primary and secondary root bridge across each vlans
Applied portfast and BPDU guards across all access ports
Day24/100 #100DaysOfNetworking
Creation of VLANs with end devices
Enabled Rapid Per-VLAN Spanning Tree
Configured trunk ports
Configured primary and secondary root bridges
Applied PortFast and BPDU Guard on access ports
@ireteeh @NetworkQueenX @TemitopeSobulo @OnijeC
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