networking:cisco:dynamic-nat

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networking:cisco:dynamic-nat [2026/02/05 00:01] ilyasanetworking:cisco:dynamic-nat [2026/02/05 00:06] (current) – [Testing] ilyasa
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 ===== Konfigurasi ===== ===== Konfigurasi =====
-===== Pada R1 ===== 
- 
-  * Tentukan Interface inside dan outsite 
  
 +  * **R1: Tentukan Interface inside dan outsite**
 <code js> <code js>
 R1(config)#interface fastEthernet 0/0 R1(config)#interface fastEthernet 0/0
Line 100: Line 98:
 </code> </code>
  
-  * Membuat Pool Untuk IP Public+  * **R1 : Membuat Pool Untuk IP Public**
  
 <code js> <code js>
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 </code> </code>
  
-  * Membuat ACL untuk range ip internal+  * **R1 : Membuat ACL untuk range ip internal**
  
 <code js> <code js>
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 </code> </code>
  
-  * Mempetakan ip pool yang telah dibuat ke ip private dgn dynamic nat+  * **R1 : Mempetakan ip pool yang telah dibuat ke ip private dgn dynamic nat**
  
 <code js> <code js>
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 ===== Testing ===== ===== Testing =====
 +* **PC1 : Test ping dan hasil capture**
 +<code>
 +PC1> ip dhcp
 +DORA IP 192.168.1.1/24 GW 192.168.1.254
 +
 +PC1> ping 8.8.8.8 -c 1
 +
 +84 bytes from 8.8.8.8 icmp_seq=1 ttl=62 time=48.818 ms
 +
 +PC1> ping google.com
 +google.com resolved to 142.251.175.113
 +
 +84 bytes from 142.251.175.113 icmp_seq=1 ttl=254 time=19.530 ms
 +84 bytes from 142.251.175.113 icmp_seq=2 ttl=254 time=26.425 ms
 +84 bytes from 142.251.175.113 icmp_seq=3 ttl=254 time=14.858 ms
 +84 bytes from 142.251.175.113 icmp_seq=4 ttl=254 time=15.780 ms
 +84 bytes from 142.251.175.113 icmp_seq=5 ttl=254 time=11.737 ms
 +</code>
 +{{ :networking:cisco:cisco_natdynamic-1.png?nolink |}}
 +
 +* **PC2 : Test ping dan hasil capture**
 +
 +<code>
 +PC2> ip dhcp
 +DORA IP 192.168.1.2/24 GW 192.168.1.254
 +
 +PC2> ping 8.8.8.8 -c 1
 +
 +84 bytes from 8.8.8.8 icmp_seq=1 ttl=62 time=29.733 ms
 +
 +PC2> ping google.com -c 1
 +google.com resolved to 142.251.175.113
 +
 +84 bytes from 142.251.175.113 icmp_seq=1 ttl=254 time=20.108 ms
 +</code>
 +
 +{{ :networking:cisco:cisco_natdynamic-3.png?nolink |}}
 +
 +* **PC3 : Test ping dan hasil capture**
 +
 +<code>
 +PC3> ip dhcp
 +DORA IP 192.168.1.3/24 GW 192.168.1.254
 +
 +PC3> ping 8.8.8.8 -c 1
 +
 +84 bytes from 8.8.8.8 icmp_seq=1 ttl=62 time=26.725 ms
 +
 +PC3> ping google.com -c 1
 +google.com resolved to 142.251.175.113
 +
 +84 bytes from 142.251.175.113 icmp_seq=1 ttl=254 time=19.783 ms
 +</code>
 +{{ :networking:cisco:cisco_natdynamic-2.png?nolink |}}
 +
 +* **R1 : logs nat translations**
 +<code js>
 +R1#show ip nat translations
 +Pro Inside global      Inside local       Outside local      Outside global
 +udp 100.0.0.1:9033     192.168.1.1:9033   8.8.8.8:53         8.8.8.8:53
 +icmp 100.0.0.1:32494   192.168.1.1:32494  142.251.175.113:32494 142.251.175.113:32494
 +icmp 100.0.0.1:32750   192.168.1.1:32750  142.251.175.113:32750 142.251.175.113:32750
 +icmp 100.0.0.1:33006   192.168.1.1:33006  142.251.175.113:33006 142.251.175.113:33006
 +icmp 100.0.0.1:33262   192.168.1.1:33262  142.251.175.113:33262 142.251.175.113:33262
 +icmp 100.0.0.1:33518   192.168.1.1:33518  142.251.175.113:33518 142.251.175.113:33518
 +--- 100.0.0.1          192.168.1.1        ---                ---
 +--- 100.0.0.3          192.168.1.2        ---                ---
 +udp 100.0.0.2:36935    192.168.1.3:36935  8.8.8.8:53         8.8.8.8:53
 +icmp 100.0.0.2:46574   192.168.1.3:46574  142.251.175.113:46574 142.251.175.113:46574
 +--- 100.0.0.2          192.168.1.3        ---                ---
 +</code>
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  • Last modified: 2026/02/05 00:01
  • by ilyasa