Motorola SBG900 manual Home Print Exit

Overview Installation Troubleshooting	Contact	FAQ	Specifications	Glossary	License
Configuration: Basic	Gateway	TCP/IP	Wireless USB

S

server	In a client/server architecture, a dedicated computer that supplies files or services such as file
	transfer, remote login, or printing to clients.
scope	The set of IP addresses that a DHCP server can lease to clients.
service provider	A company providing cable data services to subscribers.
SID	A service ID is a unique 14-bit identifier the CMTS assigns to a cable modem or gateway that
	identifies the traffic type it carries (for example, data or voice). The SID provides the basis for the
	CMTS to allocate bandwidth to the cable modem and implement CoS.
SDU	service data unit
SME	small and medium enterprise
SMTP	Simple Mail Transfer Protocol is a standard Internet protocol for transferring e-mail.
SNMP	Simple Network Management Protocol is a standard to monitor and manage networks and network
	devices. Data is exchanged using PDU messages.
SOHO	small office home office
spectrum	A specified range of frequencies used for transmission of electromagnetic signals.
spectrum	An allocation of portions of the available electromagnetic spectrum for specific services, such as AM,
allocation	FM, or personal communications.
splitter	A device that divides the signal from an input cable between two or more cables.
stateful	A type of firewall that tracks each connection traversing all firewall interfaces to ensure validity. In
inspection	addition to examining the source and destination in the packet header based on static rules, a stateful
	inspection firewall:
	• Examines packet headers on context established by previous packets that traversed the firewall
	• Monitors the connection state and saves it in a table
	• Closes ports until a connection to a specific port is requested
	• May examine the packet contents up through the application layer to determine more than just the
	source and destination
	A stateful-inspection firewall is more advanced than a static filter firewall.
static filter	A type of firewall that examines the source and destination in the packet header based on
	administrator-defined rules only.
static IP	An IP address that is permanently assigned to a host. Normally, a static IP address must be assigned
address	manually. The opposite of dynamic IP address.
static route	A manually-defined route.
station	IEEE 802.11b term for wireless client.
subscriber	A home or office user who accesses television, data, or other services from a cable service provider.
subnet mask	A bit mask that is logically ANDed with the destination IP address of a packet to determine the network
	address. A router routes packets using the network address.
subnetwork	A part of a network; commonly abbreviated “subnet.” When subnetting is used, the host portion of the
	IP address is divided into a subnet and host number. Hosts and routers use the subnet mask to
	identify the bits used for the network and subnet number.

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