Closet Cleanup: Stop the Broadcast Storm

Meridian Makerspace just consolidated its networking closet. Bring the network up — and make sure the redundant uplink doesn't take the whole segment down with a Layer 2 loop.

N10-009 · 2.3 Ethernet switching features AP Networking · 3.2.C Topologies & redundancy Skill 3.B Troubleshooting

Closet devices & ports

Select a port to toggle it. A lit indicator = port enabled (forwarding). An uplink only comes up when both ends are enabled.

Uplink status

Exhibit — closet wiring plan

Original cabling for this site. The IDF-to-IDF run is a backup path, not a primary one.

  • mer-edge-rt1 g0/0 → ISP / Internet · g0/1 → core switch
  • mer-mdf-sw1 (core, MDF): te1/0/1 → router · te1/0/2 → IDF-A · te1/0/3 → IDF-B · gi1/0/24 → file server
  • mer-idfa-sw2 (IDF-A): te1/0/1 → core · te1/0/2 → IDF-B (backup) · gi1/0/1–2 → workstations
  • mer-idfb-sw3 (IDF-B): te1/0/1 → core · te1/0/2 → IDF-A (backup) · gi1/0/1–2 → workstations

Tasks (auto-checked)

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