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What is the maximum and minimum size of a UDP datagram?
maximum size is 512 bytes without header
Contrast the IPv4 and the IPv6 header fields?
Simplified header format. IPv6 has a fixed length header, which does not include most of the options an IPv4 header can include. Even though the IPv6 header contains two 128 bit addresses (source and destination IP address) the whole header has a fixed length of 40 bytes only. This allows for faster processing. Options are dealt with in extension headers, which are only inserted after the IPv6 header if needed. So for instance if a packet needs to be fragmented, the fragmentation header is inserted after the IPv6 header. The basic set of extension headers is defined in RFC 2460.
How many bytes is the data frame made by FCS and the header together?
14 bytes for the header and 4 bytes for the FCS (Frame Check Sequence) for a total of 18 bytes.
IP ADDRESS occupies how many bytes?
IPv4 addresses are 4 bytes. IPv6 IP addresses are 16 bytes.
What is the size of today's standard (IPv4) IP address?
The size of an IPv4 address is 32 bits, or 4 bytes.
What is The header of an IPv4?
Header is always a multiple of 4bytes and so we can have a maximum length of the field as 15, so maximum size of the header is 60 bytes out of which 20 bytes are mandatory.
How much overhead would this be if IPv6 is tunnelled over IPv4?
When tunneling IPv6 over IPv4, the overhead primarily consists of the additional IPv4 header and any encapsulation overhead. An IPv4 header is typically 20 bytes, while an IPv6 header is 40 bytes. Thus, the total overhead for tunneling one IPv6 packet over IPv4 would be 20 bytes, resulting in a total packet size increase of 20 bytes for every IPv6 packet transmitted. This additional overhead may impact performance, especially in networks with high traffic or limited bandwidth.
The source IP address for an IPv4 datagram is stored where in the header?
4th longword (bytes 13-16)
What is the minimum maximum size of ICMP packet?
The minimum size of an ICMP packet is 8 bytes, which includes the 8-byte ICMP header without any additional data. The maximum size of an ICMP packet is 65,535 bytes, which includes the maximum payload that can be carried within an IPv4 packet.
What is the maximum permittable size in bits for an IPv4 packet?
The maximum permissible size for an IPv4 packet is 65,535 bytes, which includes both the header and the data payload. Since the maximum size of the header is 60 bytes, this allows for a maximum data payload of 65,475 bytes. However, in practical use, the Maximum Transmission Unit (MTU) often limits the size of packets on networks, typically to 1,500 bytes for Ethernet.
What is the maximum and minimum size of a UDP datagram?
maximum size is 512 bytes without header
Contrast the IPv4 and the IPv6 header fields?
Simplified header format. IPv6 has a fixed length header, which does not include most of the options an IPv4 header can include. Even though the IPv6 header contains two 128 bit addresses (source and destination IP address) the whole header has a fixed length of 40 bytes only. This allows for faster processing. Options are dealt with in extension headers, which are only inserted after the IPv6 header if needed. So for instance if a packet needs to be fragmented, the fragmentation header is inserted after the IPv6 header. The basic set of extension headers is defined in RFC 2460.
How many bytes is the data frame made by FCS and the header together?
14 bytes for the header and 4 bytes for the FCS (Frame Check Sequence) for a total of 18 bytes.
IP ADDRESS occupies how many bytes?
IPv4 addresses are 4 bytes. IPv6 IP addresses are 16 bytes.
The datagram length field in an IPv4 datagram contains which numeric value?
Total number of bytes in the datagram, including the header.The length of an IP datagram itself is technically measured in bytes. The length field represents the size of both the header and the data portions of the datagram.
What is the size of today's standard (IPv4) IP address?
The size of an IPv4 address is 32 bits, or 4 bytes.
What is udp header?
8 bytes
