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Do routers need MAC addresses?
yes they do.
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.
How do bridges and switches dynamically create their table?
Bridges and switches learn and filter MAC addressses into memory over time thereby creating a table of Mac addresses. Bridges build a memory table of MAC addresses they get from segments. Switches build tables based on switch port numbers to MAC addresses instead of segment numbers.
What is used to interconnect hosts?
To interconnect hosts, various networking devices are used, including switches, routers, and hubs. Switches connect devices within the same local area network (LAN) by forwarding data based on MAC addresses, while routers connect different networks and direct data packets between them using IP addresses. Additionally, network cables, such as Ethernet cables, are used for physical connections between devices.
Can an ethernet HUB learns the MAC address and sends packets to the designated node?
Hubs, largely obsolete, are not capable of sending packets to specific nodes. It acts as a repeater to multiple nodes, and therefore all nodes on that hub share bandwidth. Switches learn MAC and IP addresses, and routers deal almost exclusively with IP addresses.
Is the MAC address important to routers?
Yes, the MAC address is important to routers as it serves as a unique identifier for devices on a local network. Routers use MAC addresses to manage data packets between devices and ensure that data is sent to the correct destination within the local area network (LAN). This helps in maintaining efficient communication and network security. Additionally, MAC addresses are crucial for tasks such as DHCP allocation and ARP resolution.
Does each port of swith have it own mac address?
No. The switch itself will only have one MAC address. Only routers use different MAC addresses for each port.
How do switches know which device is connected on which circuit?
switches will monitor the frames sent from each interface and it will store the source MAC-addresses in a table. fm
What are the network devices which can be used to direct data towards destination?
Network devices that direct data towards its destination include routers, switches, and gateways. Routers connect different networks and route data packets based on IP addresses, while switches operate within a single network to forward data based on MAC addresses. Gateways serve as entry and exit points between different networks, often translating protocols. Together, these devices ensure efficient and accurate data transmission across networks.
Which devices can filter network frames?
Devices that can filter network frames include routers, switches, and firewalls. Routers filter frames based on IP addresses and routing protocols, while switches can filter frames at the data link layer using MAC addresses. Firewalls provide a more comprehensive filtering capability by examining both frame and packet data to enforce security policies. Additionally, intrusion detection systems (IDS) and intrusion prevention systems (IPS) can also filter frames for security purposes.
What hardware is required for packet switching?
Packet switching requires networking hardware such as routers and switches. Routers direct data packets between different networks, while switches manage data packets within a local network, forwarding them to the correct devices based on their MAC addresses. Additionally, network interfaces and cabling are necessary to connect devices and facilitate communication. Overall, this combination enables efficient data transmission and handling in packet-switched networks.
Which type of addresses do router use?
Routers primarily use IP addresses to identify devices on a network and facilitate communication between them. They employ both IPv4 and IPv6 addresses, depending on the network configuration and requirements. Additionally, routers use MAC addresses for data link layer communication to direct packets within a local area network (LAN).
