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Testing the network with code (pyATS-style)

A change is finished only when the tests pass. Take snapshots before and after a change, compare them, and write Python assertions that check OSPF, BGP and routes, the same idea as Cisco pyATS.

38 min read4 chapters2 labs6 quiz
New to a topic used here? Learn it first
  • OSPF neighbours and states
    Both labs read "show ip ospf neighbor" and one lab has an OSPF timer fault to fix.
    CCNP ENARSI · OSPF
  • eBGP neighbours
    The tests check the eBGP session to the ISP and you fix a wrong remote-as.
    CCNP ENARSI · BGP

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Inside this module

  • Lab 1 · Pre- and post-change checks
  • Lab 2 · The test that caught the outage
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