24-Port Managed Gigabit Switch
considered an adequate degree of encryption for commercial
exchange.
I
ICMP
ICMP is an acronym for I
nternet Control Message Protocol. It is
a protocol that generated the error response, diagnostic or
routing purposes. ICMP messages generally contain
information about routing difficulties or simple exchanges such
as time-stamp or echo transactions. For example, the PING
command uses ICMP to test an Internet connection.
IEEE 802.1X
IEEE 802.1X is an IEEE standard for port-based Network
Access Control. It provides authentication to devices attached
to a LAN port, establishing a point-to-point connection or
preventing access from that port if authentication fails. With
802.1X, access to all switch ports can be centrally controlled
from a server, which means that authorized users can use the
same credentials for authentication from any point within the
network.
IGMP
IGMP is an acronym for I
nternet Group Management Protocol.
It is a communications protocol used to manage the
membership of Internet Protocol multicast groups. IGMP is
used by IP hosts and adjacent multicast routers to establish
multicast group memberships. It is an integral part of the IP
multicast specification, like ICMP for unicast connections.
IGMP can be used for online video and gaming, and allows
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