What is ARP packet format?
The address resolution protocol (ARP) uses a basic message format that contains either address resolution request or address resolution response. The message header describes the network type used at each layer and the address size of each layer. …
What is ARP and RARP packet format?
In Address Resolution Protocol (ARP), Receiver’s MAC address is fetched. Through ARP, (32-bit) IP address mapped into (48-bit) MAC address. Whereas, In Reverse Address Resolution Protocol (RARP), IP address is fetched through server. Through RARP, (48-bit) MAC address of 48 bits mapped into (32-bit) IP address.
What are the different types of ARP?
There are four types of ARP.
- Proxy ARP.
- Reverse ARP (RARP)
- Gratuitous ARP.
- Inverse ARP.
How does ARP packet look like?
The structure of the ARP packet is as shown below: For a broadcast, the target hardware address will be ff:ff:ff:ff:ff:ff. For an ARP request the Operation field is 1, and for ARP reply it is 2. The Protocol Address Type for IPv4 is 0x0800, and Protocol Address Length is 4; HW Address length is 6 for Ethernet.
Is the size of the ARP packet fixed?
In theory, no, not necessarily, since ARP is flexible enough to be used to discover or describe a connection between other kinds of addresses, which don’t have to be the same lengths as IPv4 and Ethernet addresses.
What is RARP used for?
The Reverse Address Resolution Protocol (RARP) is an obsolete computer communication protocol used by a client computer to request its Internet Protocol (IPv4) address from a computer network, when all it has available is its link layer or hardware address, such as a MAC address.
What are the ARP and RARP protocols?
The full form of ARP is Address Resolution Protocol whereas, the full form of RARP is Reverse Address Resolution Protocol. ARP protocol retrieves the physical address of the receiver. On the other hand, the RARP protocol retrieves logical (IP) address of the protocol.
What is the difference between ICMP and IGMP?
The major distinction between ICMP(Internet Control Message Protocol) and IGMP(Internet Group Message Protocol) is that, IGMP is employed to form cluster of hosts, whereas ICMP is employed to send error messages and operational data indicating by hosts.
What is the size of an ARP packet when the protocol is IPv4 and the hardware is Ethernet Mcq?
Discussion Forum
| Que. | An ARP packet when the protocol is IPv4 and the hardware is Ethernet the size would be |
|---|---|
| b. | 8 bytes |
| c. | 16 bytes |
| d. | 28 bytes |
| Answer:28 bytes |
What is the size of an ARP packet when the protocol is IPv4?
What is the size of an ARP packet when the protocol is IPv4 and the hardware is Ethernet in bytes?
The ARP Response payload contains the same fields as the request above. Hardware Type and Hardware Size indicate an Ethernet (or MAC) address that is 6 bytes (48 bits). Protocol Type and Protocol Size indicate an IPv4 address that is 4 bytes (32 bits).