Motorola RSGu3502 User Manual page 100

Glossary
80 Glossary
PPTP Point-to-Point Tunneling Protocol encapsulates other protocols to create VPNs. It is developed
jointly by several vendors.
private IP An IP address assigned to a computer on the RSGu3502 LAN by the DHCP server on the
address RSGu3502 for a specified lease time. Private IP addresses are used by the RSGu3502 LAN only;
they are invisible to devices on the Internet. See also public IP address.
PSTN The public switched telephone network is the traditional circuit-switched, voice-oriented telephone
network. See also POTS.
public IP A public IP address is visible to devices on the Internet. See also private IP address.
address
QoS
quality of service
RIP Routing Information Protocol enables routers to exchange routing information with other network
routers. Any RIP-enabled router:
• Sends automatic update packets containing its routing table periodically (every 30 seconds)
• Accepts periodic updates from other routers and adds, deletes, or modifies routes in its routing
table accordingly
• Responds to requests for its routing table
RTP
Real Time Protocol for voice traffic.
RJ-11
The most common type of connector for household or office phones.
RJ-45
The most common type of port for Ethernet networks.
router On IP networks, a device connecting at least two networks, which may or may not be similar. A
router filters data based on the IP address, examining the source and destination IP addresses to
determine the best route on which to forward it.
server A dedicated computer that supplies files, data, or services to other "client" computers
or devices.