1-Laboratoriya ishi Guruh: 713-20 Bajardi: Abduhamidjonov Lochin Tekshirdi: Shukurov Orziqul
Cisco marshrutizatorlarida parolni tashlab yuborish
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Lochin 1-5
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- Configuration register
Cisco marshrutizatorlarida parolni tashlab yuborish
Cisco marshrutizatorlarida parolni tashlab yuborish uchun qurilmaga fizik kira olish kerak, ya’ni konsol kabel orqali ulanish imkoniyati bo’lishi kerak. Marshrutizatorda konfiguratsion registr mavjud bo’lib, ushbu registr marshrutizatorning ishga tushishini boshqaradi va uning qiymatlari energiya talab qiluvchi xotirada saqlanadi. Configuration register – bu marshrutizatorning ishga tushishi ketma-ketligiga javob beruvchi NVRAM da joylashgan 16 bitli registr. Ya’ni marshrutizatorga operatsion tizimni va sozlanish fayllarini qaysi tartibda va qayerdan olishini ko’rsatib beradi. Uning odatiy qiymati – 2102. Qiymatning uchinchi raqami sozlanish fayliga, to’rtinchi raqami esa operatsion tizimga javob beradi. Parollar unitilishi yoki yo’qolishi holatlarida uchinchi raqamni “4” raqamga o’zgartirish kerak bo’ladi. Ko’pchilik marshrutizatorlarda konfiguratsion registrning qiymati – 0x2102 bo’ladi. Agar Cisco marshrutizatoriga kirish huquqi bor bo’lsa, unda konfiguratsion registrning qiymatini quyidagicha tekshirsa bo’ladi: Switch>enable Switch#conf t Enter configuration commands, one per line. End with CNTL/Z. Switch(config)#hostname Lochin Lochin(config)#line consol 0 Lochin(config-line)#password cisco Lochin(config-line)#login Lochin(config-line)#exit Lochin(config)#enable secret cisco1 Lochin(config)#banner motd "kirish taqiqlanadi" Lochin(config)#service password-encryption Lochin(config)#int vlan 1 Lochin(config-if)#ip address 192.168.1.254 255.255.255.0 Lochin(config-if)#no sh Lochin(config-if)# %LINK-5-CHANGED: Interface Vlan1, changed state to up Lochin(config-if)#exit Lochin(config)#do wr Loading "flash:/c2960-lanbase-mz.122-25.FX.bin"... ############################# Boot process terminated. switch: switch: flash_init Initializing Flash... flashfs[0]: 3 files, 0 directories flashfs[0]: 0 orphaned files, 0 orphaned directories flashfs[0]: Total bytes: 64016384 flashfs[0]: Bytes used: 3059643 flashfs[0]: Bytes available: 60956741 flashfs[0]: flashfs fsck took 1 seconds. switch: dir flash: Directory of flash:/ 1 -rw- 3058048 c2950-i6q4l2-mz.121-22.EA4.bin 3 -rw- 979 config.text 2 -rw- 616 vlan.dat 60956741 bytes available (3059643 bytes used) switch: rename flash:config.text flash:config.old switch: dir flash: Directory of flash:/ 1 -rw- 3058048 c2950-i6q4l2-mz.121-22.EA4.bin 3 -rw- 979 config.old 2 -rw- 616 vlan.dat 60956741 bytes available (3059643 bytes used) Download 177.02 Kb. Do'stlaringiz bilan baham: |
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