Rpresents the Time-To-Live (or hop count) for the packet transmission.
property TTL: Byte;
TTL is a Byte property that represents the Time-To-Live value (or hop count) for the packet transmission.
The Time To Live value exists in the header for each packet sent in an IP transmission. The value in TTL is normally specified by the originating endpoint for the transmission. As a packet crosses each router, the router decrements this value by 1. If the packet traverses enough routers for the value to reach 0, routers will no longer forward this packet.
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