What is the destination mac-address of an ARP request frame?
Ethernet broadcast address (FF:FF:FF:FF:FF:FF)
Is ARP used on a PPP link?
No
Does ARP contain an IP header?
ARP is a layer 2 protocol. It does not use IP header.
What does a switch do when it receives an ARP request frame on one of it’s ports?
It adds the source port to it’s mac-address table and broadcasts the frame out to all ports.
Would a ARP request frame generated on a port which is member of VLAN 2, be received on a port which is a member of VLAN 3?
ARP is a layer 2 broadcast. VLAN’s are used for segregating broadcast domains. So it would not be received.
Can an ARP packet cross IP networks?
ARP is a layer 2 broadcast. It cannot traverse across networks.
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