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As the packet needs to be forwarded on the link layer the next hop needs only to resolve to a link layer address such as a MAC address. On Linux for instance the next hop is required to be either an IP address or an interface. The address families of the destination address and the next hop need not match, therefore it is possible to forward ...
next hop: The next hop, or gateway, is the address of the next station to which the packet is to be sent on the way to its final destination; Depending on the application and implementation, it can also contain additional values that refine path selection: quality of service associated with the route. For example, the U flag indicates that an ...
The Next Hop Resolution Protocol (NHRP) is an extension of the ATM ARP routing mechanism [1] that is sometimes used to improve the efficiency of routing computer network traffic over a non-broadcast, multiple access (NBMA) network. [2] It is defined in IETF RFC 2332, [3] and further described in RFC 2333. [4]
IPv6 Hop-by-Hop Option: RFC 8200: 0x01 1 ICMP Internet Control Message Protocol: RFC 792: 0x02 2 IGMP Internet Group Management Protocol: RFC 1112: 0x03 3 GGP Gateway-to-Gateway Protocol: RFC 823: 0x04 4 IP-in-IP IP in IP (encapsulation) RFC 2003: 0x05 5 ST Internet Stream Protocol: RFC 1190, RFC 1819: 0x06 6 TCP Transmission Control Protocol ...
The IP forwarding algorithm is a specific implementation of routing for IP networks. In order to achieve a successful transfer of data, the algorithm uses a routing table to select a next-hop router as the next destination for a datagram. The IP address of the selected router is known as the next-hop address. [1] The IP forwarding algorithm ...
1.1.2 Example. 1.2 Microsoft ... Download QR code; Print/export ... The forwarding or next hop IP address over which the set of addresses defined by the network ...
In this example, the default gateway uses the IP address 192.168.4.1, which is resolved into a MAC address with ARP in the usual way. The destination IP address remains 192.168.12.3, but the next-hop MAC address is that of the gateway, rather than of the ultimate destination.
Next header: Hop limit: 8 64 Source address: 12 96 16 128 20 160 24 ... (see List of IP protocol numbers). Hop Limit: 8 bits ... for example a TCP segment or a UDP ...