2. Dynamic Address Translation Dinamik NAT - ro'yxatdan o'tmagan IP manzilni ro'yxatdan o'tgan IP-manzillar guruhiga
translatsiya qilishdan iborat.
Dinamik NAT ning Statik NAT dan farqi shuki, bu yerda bir nechta xususiy (Private)
adresga bir nechta ommaviy (public) adreslar to‘gri keladi. Ushbu holatni amalga oshirish uchun
access list va Pool dan foydalanimiz
Dinamik NAT bo`yicha ishni bajarish tartibi 10.6 – rasm. Dinamik NAT tamoyili asosida qurilgan tarmoq tuzilishi
Birinchi navbatda Router1 va Router2 larga statik ip route beriladi. Chunki internet
qismidagi adreslarni oldindan bilmaymiz.
Router1(config)#ip route 0.0.0.0 0.0.0.0 11.11.11.2 Router2(config)#ip route 0.0.0.0 0.0.0.0 11.11.11.1 195.158.1.1 dan 195.158.1.10 gacha public IP adreslarni tarqatishimiz uchun TATU nomli
Pool yaratamiz.
Router(config)#ip nat pool TATU 195.158.1.1 195.158.1.10 netmask 255.255.255.240 LAN tarmoqlar ichida aynan 192.168.1.0/24 tarmoq internetga chiqishi uchun Access list
foydalanamiz
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Router1(config)#access-list 10 permit 192.168.1.0 0.0.0.255 Access list ni TATU nomli yaratilgan NAT ga biriktiramiz.
Router1(config)#ip nat inside source list 10 pool TATU Router ning kirish va chiqish portlariga NAT ni biriktiramiz
Router1(config)#interface fastEthernet 0/0 Router1(config-if)#ip nat inside Router1(config-if)#exit Router1(config)#interface fastEthernet 0/1 Router1(config-if)#ip nat outside Router1(config-if)#exit 10.7 Rasm
