Description and use cases [Документация VAS Experts]
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    en:dpi:opt_cgnat:cgnat_description [2024/09/26 15:29] – created - external edit 127.0.0.1en:dpi:opt_cgnat:cgnat_description [2026/04/21 14:38] (current) – elena.krasnobryzh
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     The network has a router R1, which is a gateway for local subscribers with addresses 10.0.0.0/24, and a border router - BR, which has a connection with R1 on the 10.0.1.0/30 subnet. SSG is set between them, which enables the NAT service for the subscribers. For the NAT pool, select the subnet 100.0.0.0/24 The network has a router R1, which is a gateway for local subscribers with addresses 10.0.0.0/24, and a border router - BR, which has a connection with R1 on the 10.0.1.0/30 subnet. SSG is set between them, which enables the NAT service for the subscribers. For the NAT pool, select the subnet 100.0.0.0/24
      
    -{{dpi:opt_cgnat:cgnat_description:l3-connected_nat.png?nolink&700|}}+{{dpi:opt_cgnat:l3-connected_nat.png?nolink&700|}}
      
     On R1, our border is the gateway. In order to ensure the passage of traffic from the Internet to subscribers, it is necessary to add a route on the border: ip route add 100.0.0.0/24 via 10.0.1.2 On R1, our border is the gateway. In order to ensure the passage of traffic from the Internet to subscribers, it is necessary to add a route on the border: ip route add 100.0.0.0/24 via 10.0.1.2
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     In this scheme, the gateway for subscribers is the SSG. IP address 10.10.10.1 is configured on SSG, IP address 10.10.10.2 is configured on the Border Router. Let us allocate subnet 100.0.0.0/24 for NAT pool. To pass traffic from the Internet to subscribers you need to add a route on the Border Router: ip route add 100.0.0.0/24 via 10.10.10.1. In this scheme, the gateway for subscribers is the SSG. IP address 10.10.10.1 is configured on SSG, IP address 10.10.10.2 is configured on the Border Router. Let us allocate subnet 100.0.0.0/24 for NAT pool. To pass traffic from the Internet to subscribers you need to add a route on the Border Router: ip route add 100.0.0.0/24 via 10.10.10.1.
      
    -{{dpi:opt_cgnat:cgnat_description:l2-connected_nat.png?nolink&700|}}+{{dpi:opt_cgnat:l2-connected_nat.png?nolink&700|}}
      
     ===== Implementation options ===== ===== Implementation options =====