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Layer 3 - network layer.
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How subnetting relates to the OSI model?
Sub-netting in the OSI model is a layer 2, or network layer, concept. At layer 2, you start thinking about network routing, and how it relates to sub-netting. At layer 3 and above, you only think about destination address and you let the layer 2 stuff handle any required routing.
Which OSI layer is responsible for adding a header that includes routing information?
The routing process occurs in the 3rd OSI layer (network layer) routing protocols use network address (IP address in TCP/IP) to chose the correct path to the destination. ps: You can also have routing protocols on other layers sometimes (application layer in p2p routing) but this is something completely different.
What are the consequences of using MAC addresses for routing in network layer routers?
Routers don't use MAC addresses for routing. They use IP address.
Which OSI layer handles framing and routing?
Framing is done at the Data Link layer (Layer 2). Routing is done at the Network layer (Layer 3).
What is ip routing?
Routing protocols implement algorithms that tell routers the best paths through internetworks. Routing protocols include Border Gateway Protocol (BGP), Interior Gateway Routing Protocol (IGRP), Routing Information Protocol, and Open Shortest Path First (OSPF) to name a few. Routing protocols provide the layer 3 network state update. Routed Protocols are transported through a network, such as Internet Protocol (IP), Novell Internetwork Packet eXchange (IPX), and AppleTalk.In short, routing protocols route datagrams through a network. Routing is a layer 3 function, thus, routing and routed protocols are network-layer entities. Routing tables on the layer 3 switch (router) are populated by information from routing protocols. A routed protocol will enter an interface on a router, be placed in a memory buffer, then it will be forwarded out to an interface based on information in the routing table.
What two things are needed to make TCP IP work with in a layer three segment?
The IP address and the subnet mask are required in layer 3 for routing purposes.
What part of the network layer address does the router use during path determination?
routers work at layer 3 (network) which usually means TCP/IP. Routing decisions are made based on a packets DESTINATION IP address.
What does ip routing enabled?
Enabling routing on a layer 3 switch.
What layer of the OSI model performs routing?
network layer
Which network layer protocol is responsible for routing packets on the network?
The network layer is the layer that is responsible for routing packets on the network. This is the layer in which Internet protocol operates. In the seven layer OSI model, the network layer is the third layer from the bottom.
Which cisco command configures static route when correcting an IP routing problem at the network layer?
ip route prefix mask address
What does ip routing enabled mean?
Enabling routing on a layer 3 switch.
