The difference between ARP and RARP?

jason_hu · Created Jul 18, 2021 02:24:17

Hello friend!

Prerequisite – ARP, Reverse ARP(RARP), Inverse ARP(InARP), Proxy ARP, and Gratuitous ARP
In Address Resolution Protocol (ARP), the 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 the server. Through RARP, (48-bit) MAC address of 48 bits mapped into (32-bit) IP address.

Let’s see that the difference between ARP and RARP:

S.NO	ARP	RARP
1.	ARP stands for Address Resolution Protocol.	Whereas RARP stands for Reverse Address Resolution Protocol.
2.	Through ARP, (32-bit) IP address mapped into (48-bit) MAC address.	Whereas through RARP, (48-bit) MAC address of 48 bits mapped into (32-bit) IP address.
3.	In ARP, a broadcast MAC address is used.	While in RARP, the broadcast IP address is used.
4.	In ARP, the ARP table is managed or maintained by localhost.	While in RARP, the RARP table is managed or maintained by the RARP server.
5.	In Address Resolution Protocol, Receiver’s MAC address is fetched.	While in RARP, the IP address is fetched. s
6.	In ARP, the ARP table uses ARP reply for its updation.	While in RARP, the RARP table uses RARP reply for the configuration of IP addresses.
7.	Hosts and routers use ARP for knowing the MAC address of other hosts and routers in the networks.	While RARP is used by small users having less facilities.

Hope to help you!

jason_hu · Created Jul 18, 2021 02:24:17

Hello friend!

Prerequisite – ARP, Reverse ARP(RARP), Inverse ARP(InARP), Proxy ARP, and Gratuitous ARP
In Address Resolution Protocol (ARP), the 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 the server. Through RARP, (48-bit) MAC address of 48 bits mapped into (32-bit) IP address.

Let’s see that the difference between ARP and RARP:

S.NO	ARP	RARP
1.	ARP stands for Address Resolution Protocol.	Whereas RARP stands for Reverse Address Resolution Protocol.
2.	Through ARP, (32-bit) IP address mapped into (48-bit) MAC address.	Whereas through RARP, (48-bit) MAC address of 48 bits mapped into (32-bit) IP address.
3.	In ARP, a broadcast MAC address is used.	While in RARP, the broadcast IP address is used.
4.	In ARP, the ARP table is managed or maintained by localhost.	While in RARP, the RARP table is managed or maintained by the RARP server.
5.	In Address Resolution Protocol, Receiver’s MAC address is fetched.	While in RARP, the IP address is fetched. s
6.	In ARP, the ARP table uses ARP reply for its updation.	While in RARP, the RARP table uses RARP reply for the configuration of IP addresses.
7.	Hosts and routers use ARP for knowing the MAC address of other hosts and routers in the networks.	While RARP is used by small users having less facilities.

Hope to help you!

Unicef · Created Jul 18, 2021 03:52:29

nice

andersoncf1 · Created Jul 18, 2021 16:14:15

Good answer Jason!

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