Skip to main content
Open menu
Home
Training
Learn
CCNA Library (74)
Browse all CCNA topics →
Network (13)
Device Operations (5)
Network Access (12)
Wireless (6)
IP Connectivity (10)
IP Services (11)
Security (10)
Automation (7)
CCNP Library (15)
Practice
Mock ExamPricing
Contact 📞 +1 (860) 556-3010 Book a Call
← All exam labs
Network Access CLI lab Analyze & fix

STP elected the wrong root bridge — on the CLI

A budget access switch ended up as the root of the spanning-tree instead of the distribution switch. Traffic hairpins the wrong way. Fix the topology so the designated root sits where you want it. Type real Cisco IOS commands — abbreviations and Tab-completion work — to find the fault and fix it.

Hands-on CLI lab · type real IOS commands

Practice lab

Objectives

    Discover commands like the real exam: type ? anywhere (e.g. show ? or ip ospf ?). Tab completes · recalls.

    console
    PKT
    Prefer Cisco Packet Tracer?
    Download the same scenario as a .pkt file and fix it in Packet Tracer.
    Download .pkt ↓
    Stuck on this one?
    Your first 1:1 session is free — no card on file.
    Book a free session