---
title: "Simulate Link Failure"
method: POST
path: "/api/topology/simulate-failure"
tags: ["Topology"]
---

# Simulate Link Failure

`POST /api/topology/simulate-failure`

## Request

- Base URL: `https://api.fiber.ac` (the document declares no server; this is the origin it was published from)
- URL: `https://api.fiber.ac/api/topology/simulate-failure`
- Auth: none declared

Simulate a link failure on a specific switch port. Returns affected GPU nodes, running jobs, estimated cost per hour, and available alternative paths through the spine-leaf topology. Request body requires 'switch_name' and 'port' fields.

## Request body

- object

## Response `200`

Impact analysis with affected GPUs, jobs, hourly cost estimate, and alternative paths

- unknown

## Other responses

- `422`: Validation Error

---

[API](https://skmtc.dev/fiber-ac/apis/fiber-api.md) · [All operations](https://skmtc.dev/fiber-ac/apis/fiber-api/llms.txt) · [OpenAPI document](https://skmtc.dev/fiber-ac/apis/fiber-api/revisions/58267250d793?raw)