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
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.