31 hours 29 minutes

Video Description

Mismatched MTU, Bad Modules, Power Failure and Missing Routes This lesson continues to cover trouble shooting common wire and switch issues and discusses the following:

  • Mis-matched Maximum Transmission Unit (MTU)/Black Hole: packets are too large for a certain 'hop' and are dropped. If no error about the packet is received, essentially we've hit a Black Hole.
  • Bad Modules (SFP, GBIC): Bad port module on device
  • Power Failure: Device may have lost power
  • Bad/missing routes: routing information is incorrect

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CompTIA Network+

This CompTIA Network+ certification training provides you with the knowledge to begin a career in network administration. This online course teaches the skills needed to create, configure, manage, and troubleshoot wireless and wired networks.

Instructed By

Instructor Profile Image
Anthony Harris
Systems Analyst and Administrator at SAIC