{"id":1057,"date":"2024-12-11T10:09:12","date_gmt":"2024-12-11T10:09:12","guid":{"rendered":"https:\/\/linuxresellerwebhosting.in\/blog\/?p=1057"},"modified":"2024-12-11T10:16:03","modified_gmt":"2024-12-11T10:16:03","slug":"ip-tunneling","status":"publish","type":"post","link":"https:\/\/linuxresellerwebhosting.in\/blog\/ip-tunneling\/","title":{"rendered":"IP Tunneling"},"content":{"rendered":"
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IP tunneling is a protocol used to communicate between two networks. It uses a different network protocol by encapsulating IP packets to transmit data. It is often used to connect two overlapping IP networks that don’t have a direct route to each other by using a basic routing protocol over an intermediate transport link.<\/p>\n

IP tunnels are frequently used to connect two disjoint IP networks that don’t have a native routing path to each other using an underlying routable protocol over an intermediate transport network. In conjunction with the IPsec protocol, they can be used to create a virtual private network between two or more private networks across a public network such as the Internet. Another prominent use is to connect islands of IPv6 installations across the IPv4 Internet.<\/p>\n

In IP tunneling, each IP packet, including the addressing information of its source and destination IP networks, is encapsulated in a different packet format native to the transit network.<\/p>\n

Gateways are used at the borders between the source network and the transit network, and between the transit network and the destination network, to establish the endpoints of the IP tunnel across the transit network. This turns the IP tunnel<\/a> endpoints into native IP routers that establish a standard IP route between the source and destination networks. Packets traversing these endpoints from the transit network are stripped of their transit frame format headers and trailers used in the tunneling protocol, converted to native IP format, and injected into the IP stack of the tunnel endpoints. In addition, any other protocol encapsulations used during transit, such as IPsec or Transport Layer Security, are removed.<\/p>\n

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<\/span>How IP Tunneling Works<\/strong><\/span><\/h3>
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