CCNA 2 - Capitulo 1

CCNA 2 - Capitulo 1

1. BASIC DEVICE CONFIGURATION

   • SWITCH WITH INITIAL SETTINGS
     • SWITCH BOOT SEQUENCE
       • 1 STEPS
         • SWITCH LOADS POST (Power-On Self-Test)
           • POST STORED ?
             • ROM MEMORY
           • POST CHECKS
             • CPU SUBSYSTEM
               • CPU
               • DRAM
               • PORTION THE FLASH
       • 2 STEPS
         • SWITCH LOADS BOOT LOADER
           • BOOT LOADER STORED ?
             • ROM MEMORY
       • 3 STEPS
         • BOOT LOADER PERFORMS
           • LOW LEVEL CPU INICIALIZATION
             • EX : CPU REGISTERS
       • 4 STEPS
         • BOOT LOADER INITIALIZES
           • FLASH FILE SYSTEM
       • 5 STEPS
         • BOOT LOADER LOCATES AND LOAD
           • IMAGE IOS
     • BOOT SYSTEM COMMAND
       • STARTUP CONFIG
         • THE STARTUP-CONFIG FILE IS CALLED config.text AND IS LOCATED IN FLASH, SERVING AS A CONFIGURATION BACKUP FROM NVRAM
       • BOOT SYSTEM
         • MAIN COMMAND
       • FLASH :
         • STORAGE DEVICE
       • C2960 LANBASEK9 MZ.150 2.SE/
         • THE PATH TO THE FILE SYSTEM
       • C2960 LANBASE K9MZ.150 2.SE.BIN
         • THE IOS FILE NAME
       • S1#SHOW BOOT
         • VIEW CURRENT IOS BOOT FILE IS SET TO
       • WHATS YOUR PURPOSE ?
         • SETs IMAGE OF OPERATION SYSTEM DEVICE WILL LOAD DURING BOOT
     • SWITCH LED INDICATORS
       • SYSTEM LED
         • GREEN
           • OPERATING NORMALLY
         • AMBER
           • RECEIVING POWER BUT NOT FUNCTIONING
         • OFF
           • SYSTEM IS NOT POWERED ON
       • REDUNDANT POWER SYSTEM (RPS)
         • OFF
           • SHUTDOWN OR NOT PROPERLY CONNECTED
         • GREEN
           • READY TO PROVIDE
             • BACKUP POWER
         • BLIKING GREEN
           • INAVAILABLE
             • PROVING POWER ANOTHER DEVICE
         • AMBER
           • STANDY OR ; FAULT
         • BLIKING AMBER
           • POWER SUPPLY FAILED
       • STAT LED
         • OFF
           • IN NO LINK ; PORT WAS ADMINISTRATIVELY SHUTDOWN
         • GREEN
           • LINK ON
         • BLIKING GREEN
           • SENDING OR RECEIVING DATE
         • ALTERNATING GREEN-AMBER
           • LINK FAULT
         • AMBER
           • BLOCKED TO ENSURE
             • LOOP DOES NOT EXIST
               • FIRST 30 SECONDS AFTER BEING ACTIVATED
         • BLIKING AMBER
           • IS BLOKET TO PREVENT POSSIBLE LOOP
       • DUPLEX LED
         • GREEN
           • FULL DUPLEX
         • AMBER
           • HALF DUPLEX
           • MISMATCH DUPLEX
       • SPEED LED
         • OFF
           • 10MBPS
         • GREEN
           • 100Mbps
         • BLIKING GREEN
           • 1000 Mbps
       • PoE
         • OFF
           • SHUTDOWN
         • GREEN
           • ON
         • BLIKING AMBER
           • FAULT OR DENIED POWER
         • GREEN / AMBER
           • POE IS DENIED
           • PROVIDING POWER TO THE POWERED WILL EXCEED CAPACITY
         • AMBER
           • DISABLE

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