G
LOSSARY
Glossary-5
IGMP Snooping
Listening to IGMP Query and IGMP Report packets transferred between IP
Multicast Routers and IP Multicast host groups to identify IP Multicast
group members.
Internet Control Message Protocol (ICMP)
Commonly used to send echo messages (i.e., Ping) for monitoring
purposes.
Internet Group Management Protocol (IGMP)
A protocol through which hosts can register with their local router for
multicast services. If there is more than one multicast router on a given
subnetwork, one of the routers is made the “querier” and assumes
responsibility for keeping track of group membership.
In-Band Management
Management of the network from a station attached directly to the
network.
IP Multicast Filtering
A process whereby this switch can pass multicast traffic along to
participating hosts.
Layer 2
Data Link layer in the ISO 7-Layer Data Communications Protocol. This is
related directly to the hardware interface for network devices and passes
on traffic based on MAC addresses.
Link Aggregation
See Port Trunk.
Media Access Control (MAC)
A portion of the networking protocol that governs access to the
transmission medium, facilitating the exchange of data between network
nodes.