5 Steps of Switch Boot Sequence
*Power-on self-test (POST) program
*Loading boot loader software
*boot loader performing low-level CPU initizialition
*Boot loader initializes flash file system
*Boot loader loads default IOS and gives control over to IOS
BOOT environment variable defines
which startup-config is used.
Full-Duplex requires
microsegmentation
What is Microsegmentation
one device per switch port connected –> no collision domain
How does auto-negotiation work to determine speed
short electronic pulses are sent and it checks if a reply comes from the other device. Starting high and going down slowly.
What allows automatic detection of the cable used?
Auto-MDIX (automatic medium-dependent interface crossover)
Dual Stack =
IPv4 and IPv6 at the same time
