Aktualizacia IOS pre cisco C4500, C4900

Nastavenie interface cez ktorý ma TFTP stahovat súbor

ip tftp source-interface FastEthernet1

Pomocou tftp je potrebne stiahnut novy IOS do bootflash:

Switch#dir bootflash:
Directory of bootflash:/

    6  -rw-    23928950  May 21 2015 14:47:40 +00:00  cat4500e-ipbase-mz.122-53.SG9.bin
   18  -rw-    41210562  Jan 27 2020 12:39:14 +00:00  cat4500e-entservicesk9-mz.152-4.E.bin

122007552 bytes total (49414144 bytes free)

Aktivovanie IOS:

boot system flash bootflash:/cat4500e-entservicesk9-mz.152-4.E.bin

Zobrazenie aktualnych IOS:

Switch(config)#do sh run | i boot
boot-start-marker
boot system flash bootflash:cat4500e-ipbase-mz.122-53.SG9.bin
boot system flash bootflash:/cat4500e-entservicesk9-mz.152-4.E.bin
boot-end-marker

Zobrazenie bootvar:

Switch(config)#do sh bootvar
 BOOT variable = bootflash:cat4500e-ipbase-mz.122-53.SG9.bin,1;bootflash:/cat4500e-entservicesk9-mz.152-4.E.bin,1;
 CONFIG_FILE variable does not exist
 BOOTLDR variable does not exist
 Configuration register is 0x2101

Odstranenie stareho IOS z boot menu:

no boot system flash bootflash:cat4500e-ipbase-mz.122-53.SG9.bin

Nastavenie confuration registera. Povodna hodnota: 0x2101 nova hodnota 0x2102

Switch(config)#config-register 0x2102

Switch#sh bootvar
BOOT variable = bootflash:/cat4500e-entservicesk9-mz.152-4.E.bin,1;
CONFIG_FILE variable does not exist
BOOTLDR variable does not exist
Configuration register is 0x2101 (will be 0x2102 at next reload)