…xample, the Point-to-Point Protocol (PPP) uses a magic number ( Section 6.4 of [RFC1661] ) to detect a loopback on an interface. When a Layer 2 protocol detects that a loopback is present on an interface circuit, the device MUST temporarily disable DAD on the interface. When the …

… where the packet size increase is likely to have a significant effect is PPP [ RFC1661 ] over slow modem lines (PPP compresses the TCP/IP headers, emphasizing the increase in packet size). However, with modern modems, the time needed to transfer is in the order of 2 milliseconds…

… where the packet size increase is likely to have a significant effect is PPP [ RFC1661 ] over slow modem lines (PPP compresses the TCP/IP headers, emphasizing the increase in packet size). However, with modern modems, the time needed to transfer is in the order of 2 milliseconds…