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  2. Maximum transmission unit - Wikipedia

    en.wikipedia.org/wiki/Maximum_transmission_unit

    In computer networking, the maximum transmission unit (MTU) is the size of the largest protocol data unit (PDU) that can be communicated in a single network layer transaction. [1]: 25 The MTU relates to, but is not identical to the maximum frame size that can be transported on the data link layer, e.g., Ethernet frame.

  3. Path MTU Discovery - Wikipedia

    en.wikipedia.org/wiki/Path_MTU_Discovery

    The process is repeated until the MTU is small enough to traverse the entire path without fragmentation. As IPv6 routers do not fragment packets, there is no Don't Fragment option in the IPv6 header. For IPv6, Path MTU Discovery works by initially assuming the path MTU is the same as the MTU on the link layer interface where the traffic originates.

  4. Maximum segment size - Wikipedia

    en.wikipedia.org/wiki/Maximum_segment_size

    The default TCP Maximum Segment Size is for IPv4 is 536. For IPv6 it is 1220. [1]: §3.7.1 Where a host wishes to set the maximum segment size to a value other than the default, the maximum segment size is specified as a TCP option, initially in the TCP SYN packet during the TCP handshake.

  5. Metrics (networking) - Wikipedia

    en.wikipedia.org/wiki/Metrics_(networking)

    Router metrics help the router choose the best route among multiple feasible routes to a destination. The route will go in the direction of the gateway with the lowest metric. A router metric is typically based on information such as path length , bandwidth , load , hop count , path cost, delay , maximum transmission unit (MTU), reliability and ...

  6. Jumbo frame - Wikipedia

    en.wikipedia.org/wiki/Jumbo_frame

    802.5 Token Ring can support frames with a 4464-byte MTU, FDDI can transport 4352-byte, ATM 9180-byte and 802.11 can transport 7935-byte MTUs. The IEEE 802.3 Ethernet standard originally mandated support for 1500-byte MTU frames, 1518 byte total frame size (1522 byte with the optional IEEE 802.1Q VLAN/QoS tag). The IEEE 802.3as update ...

  7. IPv6 packet - Wikipedia

    en.wikipedia.org/wiki/IPv6_packet

    In contrast to IPv4, routers do not fragment IPv6 packets larger than the maximum transmission unit (MTU), it is the sole responsibility of the originating node. A minimum MTU of 1,280 octets is mandated by IPv6, but hosts are "strongly recommended" to use Path MTU Discovery to take advantage of MTUs greater than the minimum.

  8. IP fragmentation - Wikipedia

    en.wikipedia.org/wiki/IP_fragmentation

    RFC 791 describes the procedure for IP fragmentation, and transmission and reassembly of IP packets. [1] RFC 815 describes a simplified reassembly algorithm. [2] The Identification field along with the foreign and local internet address and the protocol ID, and Fragment offset field along with Don't Fragment and More Fragments flags in the IP header are used for fragmentation and reassembly of ...

  9. Default gateway - Wikipedia

    en.wikipedia.org/wiki/Default_gateway

    Interface 2 192.168.1.96; Network mask in all networks: 255.255.255.0 (/24 in CIDR notation). If the routers do not use a routing protocol to discover which network each router is connected to, then the routing table of each router must be set up. Router1