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How do you find the gateway address under router based network?
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What is the actual address used for a default gateway?
The address of a default gateway can vary widely depending on which device on which network is the default gateway. There isn't one specific default gateway address.A popular address is one used on home based networks, 192.168.1.1
What process does router use to determine the subnet network address based upon a given ip address and subnet mask?
binary ANDing
What is the purpose of a gateway?
Gateway is software placed in the router. Its function is protocol translation. When we need to connect two networks based on different protocols, then gateway is used by default. It acts as an entrance To see the default gateway of your system in cmd (command prompt), type "ipconfig." It shows the default gateway.
Which network device makes forwarding decisions based on the destination MAC address that is contained in the frame?
Switches and Bridges
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 connecting devices do you use for two or more connected networks?
For two or more connected networks you can use a bridgeto connect them all together.It depends on the two networks. A bridge can only connect two networks of the same type (eg Ethernet or Token-Ring), that also use the same layer 3 network address (eg IP subnet or IPX network #, or AppleTalk network #).A "gateway" device can connect two dissimilar types that share a network address, and a router can connect two networks of different network addresses whether or not they have the same network type.
This type of router is well-suited for a small organization with low levels of network traffic utilization?
Software-based router
What network device has the ability to send data based upon IP addresses?
router
What allows a host to obtain an IP address dynamically when it connects to the network?
Its very simple one when the host connects to the network it is DHCP dynamic host control protocol which is used to assign the IP address to the address seeking hosts in the network. it simply take any IP address from the pool of IP address and assign on to the host on lease based after using this must be sent back to the DHCP server ( your router in most cases )
When the destination network is not listed in the routing table of a cisco router what two possible actions the router might take?
The router discards the packet.The router forwards the packet out the interface indicated by the default route entry.
What does the NAT table do?
NAT - Network Address TranslationNAT is one of the basic fundamental functions of a router. If you want to share your Internet connection with more than one device, you have to use a router (most Internet Service Providers will supply one to you as part of their package). The router acts as your gateway to Internet, taking complete control of your public IP address (the one assigned to you by your ISP) and assigns private IP addresses to all the devices connected to the router (your computers, your mobile phones, your network printers, etc). Those devices are essentially invisible to the Internet; only the router is exposed.NAT is essential whenever two separate networks (such as your private home network and the public Internet) require access to each other but their IP address ranges are incompatible with each other. This is the case with all private networks as they all share a common range of IP addresses. In order to route calls from one network to the other, your router uses two IP addresses -- one outward-facing (public) and one inward-facing (private). Your router than acts as the network's gateway to the Internet and effectively hides your private network from the Internet.When a device sends a request for information from another device on the network, the source device will send a datagram containing the request, along with its own private return address and the address of the device that has the information (all wrapped up in a data packet), which is then forwarded to the router. If the device that has the information is on the same network (such as any device on your home network), then the packet is routed directly to that device without using NAT. However if the device is on another network (such as the Internet), then the router uses NAT to replace the private IP address in the packet with the router's public IP address, and forwards the packet to your service provider. When the requested information comes back from the service provider (usually as a series of data packets), NAT replaces the public IP address in each returned packet with the private IP address of the original device, and forwards the packets to that device.All of this is achieved by maintaining a NAT table, so the router knows where each packet returned from the service provider is intended to be sent, based upon the data packets it initially received and stored in the table. When multiple computers make similar requests at the same time (as is possible), the router must provide some means of differentiating between those requests. Often this will mean altering the port numbers or adding an anonymous token into the packet to ensure every packet is unambiguously identified.Example:You want to look at the wiki answers webpage. Your computer sends a data packet to the router containing its own private IP address, the address of the webserver (which it gets from the Domain Name Server provided by your ISP) and the datagram that describes the request for information. The router looks at the data packet and sees that your computer is requesting information from another network (the Internet), changes the IP address from the private IP address to the public IP address, updates the NAT table accordingly and then forwards the packet to the service provider who will then route it to the webserver. Now the webserver knows where to send the requested information to (your router, via your service provider). When your router receives the requested information from your service provider, it uses the information it stored in the NAT table to restore the original private IP address and then forwards the packet to your computer. There may be more than one packet returned to your computer but the end result is the webpage you requested is displayed in your browser, just as if wiki answers were part of your own private network.
What is work to router?
Electronic messages sent between computer networks are stored in the router, while it determines all of the possible paths to the destination address. The router then chooses the most expedient route, based on its investigations into the traffic load, distance, number of network points that the packet has to pass through, and cost algorythms between computer networks, before forwarding the packet to the final destination. Router hardware is a physical device which connects the local area network to the wide area network, it is responsible for routing network traffic from source to destination. These routers run on layer routing protocols and operate on network layer information.
