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Arp (address resolution protocol)
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Which protocol is used to find the hardware address of a local device?
ARP
What protocol is use to find the hardware address of local devices?
Arp (address resolution protocol)
What type of address is automatically assigned to an IPv6?
An IPv6 device is automatically assigned a link-local address, which is a type of address that is used for communication within a local network segment. This address is generated using the device's MAC address and the prefix "FE80::/10". Link-local addresses are essential for functions such as neighbor discovery and are not routable beyond the local link.
What is indicated by a hardware address of ff ff ff ff ff ff?
A hardware address of ff ff ff ff ff ff is a broadcast MAC address in Ethernet networks. This address is used to send packets to all devices on a local network segment, allowing communication with every device connected to that network. When a frame is sent to this address, all network interfaces on the same broadcast domain will receive and process the packet.
Why does wireshark shows the actual MAC address for the local host but not for the remote host?
Wireshark displays the actual MAC address of the local host because it is directly connected to the network and can access its own hardware address. In contrast, for remote hosts, Wireshark typically shows the MAC address of the last device that forwarded the packet, such as a router, instead of the actual MAC address of the remote host. This is due to the way Ethernet and IP networking function, where MAC addresses are only visible within the same local network segment.
Is a MAC address logical?
A MAC address is not considered logical; it is a physical address. It is a unique identifier assigned to network interfaces for communications on a local network segment and is hardcoded into the network hardware. Unlike logical addresses, such as IP addresses, which can change based on the network configuration, MAC addresses remain constant for a device's network interface.
How is ARP reply message different from that of ARP request message?
An ARP request is a broadcast Ethernet packet, that is, a packet sent onto the local physical network that all attached devices will receive. A device sends an ARP request to make the query "what is the MAC address (a.k.a. hardware address, link layer address, etc.) of this IP address (a.k.a Layer 3 address, logical network address, etc.)?" An ARP reply is an unicast Ethernet packet, sent from the device that currently owns the specified IP address, back to the device which sent the ARP request. That is, no other device will receive this packet. The ARP reply answers the requester's question, saying "IP address x.x.x.x is associated with MAC address xx:xx:xx:xx:xx:xx".
What is 192 168 0 4 mean?
It is an IP address (address of a computer, router or some device) in local area network.
If a device does not receive an IP address from a DHCP server the device may resort to what kind of IP address?
If a device does not receive an IP address from a DHCP server, it may resort to using a link-local IP address, often in the range of 169.254.0.1 to 169.254.255.254. This automatic configuration allows the device to communicate with other devices on the same local network segment without needing a DHCP server. This process is part of the Automatic Private IP Addressing (APIPA) protocol.
What is the use of NS LOOK UP?
nslookup is a network command that returns the IP address of a device on the local domain.
Where does the TCP IP host table name system for a local device store a symbolic name to Internet Protocol address mappings?
In a Local hosts file.
Which two items are used by a host device when performing an ANDing operation to determine if a destination address is on the same local network?
subnet mask destination IP address
