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Which part of an ip packet does the router use to make routing decisions?
the network portion of the destination ip address
In an IPv4 environment what information is used by the router to forward data packets from one interface of a router to another?
It uses the MAC address, Media Access Control. Every packet sent from a computer contains its MAC address. The router stores this in its routing table. When it receives a packet with a destiation address of that MAC address, then it forwards it to that computer. This is called NAT, Network Address Translation. It uses the Destination IP address
What are true statements about routes and their use?
--> If the destination network is directly connected, the router forwards the packet to the destination host. --> If no route exists for the destination network and a default route is present, the packet is forwarded to the next-hop router. --> If the originating host has a default gateway configured, the packet for a remote network can be forwarded using that route.
Firewall is a router that examines the header of every packet of data it receives to determine whether that type of packet is authorized to continue to its destination?
packet-filtering
What address does the router use to compare to the routing table?
in general the router uses the network address to compare to the routing table. Specifically, on the internet, the Router looks up the destination IP address in the router table to determine where to route the packet.
When forwarding a packet which route will the packet 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.
Which part of an ip packet does the router use to make routing decisions?
the network portion of the destination ip address
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.
Receives a packet that is destined for 192.168.1.4 How will router treat the packet?
the router will enqueue the packet that is sent to the destination 192.168.1.4.and then that packet is sent on transmission media(cable).it checks every ip address that is holding the ip same as the destination ,if it reaches there then it deleiver it on that machine.
In an IPv4 environment what information is used by the router to forward data packets from one interface of a router to another?
It uses the MAC address, Media Access Control. Every packet sent from a computer contains its MAC address. The router stores this in its routing table. When it receives a packet with a destiation address of that MAC address, then it forwards it to that computer. This is called NAT, Network Address Translation. It uses the Destination IP address
What action will the router take for a packet that is destined for 192.168.1.5?
It will forward the packet to the default gateway.
When the destination network is not listed in the routing table of a cisco router what are two possible options the router might take?
The router discards the packet. The router forwards the packet via the default route
If a router receives a packet that is does not know how to forward what type of route must be configured on the router to prevent the router from dropping it?
Answering "If a router recieves a packet that is does not know how to foward what type of route must be configured on the router to prevent the router from dropping it?"
What are true statements about routes and their use?
--> If the destination network is directly connected, the router forwards the packet to the destination host. --> If no route exists for the destination network and a default route is present, the packet is forwarded to the next-hop router. --> If the originating host has a default gateway configured, the packet for a remote network can be forwarded using that route.
Firewall is a router that examines the header of every packet of data it receives to determine whether that type of packet is authorized to continue to its destination?
packet-filtering
What portion of the IP packet does a router use to make forwarding decisions?
buffer
What about router?
A router is a computer networking devices, that forwards the data packets along the network. there two types of routers Wireless broadband routers and wired router, these both are look much the same.
