Ch2 Basic Switching and Config Theory Flashcards
5 Steps of Cisco Switch Boot Sequence
- Load Power On Self Test (POST)
- Switch loads boot loader.
- Boot loader performs low-level CPU initialization
- Boot loader initializes flash file system on the system board.
- Loader locates and loads default IOS image into memory and switches control to IOS
Where is Startup Config Stored
Non-Volatile Random Access Memory (NVRAM)
2960 Switch System LED Function
Green normal operation; Amber non-normal operation
2960 Switch Redundant Power System (RPS) LED Function (4)
Off non powered or non-functional;
Blinking Green on but providing power to other device.;
Amber in standby or fault condition;
Blinking Amber internal power supply has failed and RPS is providing power.
2960 Switch Port Status LED Function (5)
Off no link;
Green link present;
Blinking green port activity;
Alternating Green- Amber fault link;
Amber / Blinking Amber port is blocked.
2960 Switch Port Duplex LED Function (2)
Off Half Duplex
Green Full Duplex
2960 Switch Port Speed LED Function (3)
- Off 10Mbs;
- Green 100 Mbs;
- Blinking Green 1000 Mbs
2960 Switch Power Over Ethernet Mode (PoE) LED Function
- Off PoE not selected
- Blinking amber PoE not selected but at least one port denied power or has PoE fault;
- Green PoE is on;
- Green- Amber PoE denied because providing power will exceed switch power capacity;
- Blinking Amber PoE off due to fault;
- Amber PoE for port has been disabled.
SSH Port Number
22
Telnet Port Number
23