Arp Inspection - Manufacture Technology GEFXL2-CSW28KX User Manual

Using multiple ports in parallel to increase the link speed beyond the limits of a port and to
increase the redundancy fo
(Also Port Aggregation, Link Aggregation).
ARP
ARP is an acronym for Address Resolution Protocol. It is a protocol that used to convert
an IP address into a physical address, such as an Ethernet address. ARP allows a host to
communicate with other hosts when only the Internet address of its neighbors is known.
Before using IP, the host sends a broadcast ARP request containing the Internet address
of the desired destination system.

ARP Inspection

ARP Inspection is a secure feature. Several types of attacks can be launched against a
host or devices connected to Layer 2 networks by "poisoning" the ARP caches. This
feature is used to block such attacks. Only valid ARP requests and responses can go
through the switch device.
Auto-Negotiation
Auto-negotiation is the process where two different devices establish the mode of
operation and the speed settings that can be shared by those devices for a link.
r higher availability.
285
Publication date: March, 2012
Revision A1