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What portion of the IP packet does a router use to make forwarding decisions?

buffer


Which network device makes forwarding decisions based on the destination MAC address that is contained in the frame?

Switches and Bridges


Which device makes traffic forwarding decisions based on mac address?

A switch uses MAC address to forward frames while a router uses IP addresses.


Why each input port in a high speed router stores a shadow copy of the forwarding table?

Each input port in a high-speed router stores a shadow copy of the forwarding table to ensure low-latency packet processing. This allows for quick lookups and decisions on packet forwarding without needing to access a centralized memory resource, which could introduce delays. By having local copies, the router can handle high traffic volumes efficiently while maintaining performance. Additionally, it enhances reliability, as it reduces the risk of bottlenecks or failures in the centralized forwarding table.


What address type does a switch use to make selective forwarding decisions?

destination mac address


Which device is responsible for forwarding packets to remote destinations?

The device responsible for forwarding packets to remote destinations is a router. Routers analyze the destination IP address in each packet and determine the best path for it to take across interconnected networks. They use routing tables and protocols to make these decisions, ensuring efficient data transmission between different networks.


Do you need to restart a router to enable port forwarding?

It strictly depends on the model. Most routers have to be restarted in order to enable port forwarding.


How do you setup port forwarding on beetel 450tc1 router airtel connection?

yes


Which basic process is used to select the best path for forwarding data?

hz


Which solution provides the most efficient use of router resources for forwarding traffic?

RIPv2


Why each input port in a high speed router stores a shadow copy of the forwading table?

With the shadow copy, the forwarding decision is made locally, at each input port, without invoking the centralized routing processor. Such decentralized forwarding avoids creating a forwarding processing bottleneck at a single point within the router.


When forwarding a route which route will router select?

First, routing is the process a router performs when making forwarding decisions for each packet arriving at the gateway interface. To forward a packet to a destination network, the router requires a route to that network. If a route to a destination network does not exist on the router, the packet will be forwarded to the default gateway. Now, the destination network can be a number of routers or hops away from the default gateway. If the router has an entry for the network in its routing table, it would only indicate the next-hop router to which the packet is to be forwarded to and not the exact route to the final router. To sum it up, the routing process uses a routing table to map the destination address to the next hop and then forwards the packet to the next-hop address.