Heat color guide made our bridgehead debate shorter and calmer.
Yuri · WAN engineer · 4/5 · Google
Troubleshooting Labs
Sites-and-Services Topology Clinic
Rebuild topology maps, justify bridgeheads, and stop replication triangles from sneaking back.
15 hours · Clinic · Published 2026-04-20
430,000 KRW · informational listing
Program description
Clinic rotates through whiteboard topology fixes, packet captures, and documentation swaps. You leave with a laminated map policy your peers can read without squinting.
Included focus areas
- Bridgehead selection worksheet
- Inter-site transport decision tree
- Replication topology heat color guide
- Documentation swap peer review rubric
- Packet capture filter cheat sheet
- Emergency single-bridgehead procedure
- Handoff sticky-note color standard (light humor, serious intent)
Outcomes
- Redraw a topology that fits WAN reality
- Justify a bridgehead change to networking
- Spot a sneaky manual connection object
Lead contact
Eunji Cho
Curriculum writer translating hybrid incidents into plain language briefs.
FAQ
Packet captures required?
Hover or focus to reveal
Optional track for engineers who already have approvals; alternative written case exists.
IPv6?
Hover or focus to reveal
Mentioned where it affects site links; deep dive lives in advanced networking courses.
Not covered?
Hover or focus to reveal
We do not redesign MPLS contracts.