Konica Minolta magicolor 7450 II grafx magicolor 7450 II Reference Guide - Page 214
SNMP, Port 9100, SMB, SMTP, Unicast, Multicast, and Broadcast
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Unicast, Multicast, and Broadcast SLP is a unicast and a multicast protocol. This means that messages can be sent to one agent at a time (unicast) or to all agents (that are listening) at the same time (multicast). However, a multicast is not a broadcast. In theory, broadcast messages are "heard" by every node on the network. Multicast differs from broadcast because multicast messages are only "heard" by the nodes on the network that have "joined the multicast group." For obvious reasons network routers filter almost all broadcast traffic. This means that broadcasts that are generated on one subnet will not be "routed" or forwarded to any of the other subnets connected to the router (from the router's perspective, a subnet is all machines connected to one of its ports). Multicasts, on the other hand, are forwarded by routers. Multicast traffic from a given group is forwarded by routers to all subnets that have at least one machine that is interested in receiving the multicast for that group. SNMP SNMP (Simple Network Management Protocol) is actually a set of protocols for managing complex networks. SNMP works by sending messages to different parts of a network. SNMP-compliant devices, called agents, store data about themselves in Management Information Bases (MIBs) and return this data to the SNMP requesters. Port 9100 When printing through a network, TCP/IP port number 9100 can be used to send raw data. SMB SMB (Server Message Block) is a protocol for sharing resources on the network, such as files and printers, in a Windows environment. If the Samba server software is used on Linux or UNIX, services using SMB can be shared. SMTP SMTP (Simple Mail Transfer Protocol) is a protocol for sending e-mail. This protocol was originally used to send e-mail between servers; however, currently client e-mail software use it to also send e-mail to servers using POP. 194 Network Printing