U.S. Robotics SureConnect ADSL Ethernet/USB Router User Guide

Hello Time - Time interval between generations of configuration BPDUs. The root bridge generates configuration BPDUs.

I

ICMP - (Internet Control Message Protocol) - A TCP/IP protocol for sending error and control messages. For example, a router uses ICMP to notify the sender that the router’s destination node is unavailable. A ping utility sends ICMP echo requests to verify the existence of an IP address.

Interface Name - Router interface that will be configured.

IP (Internet Protocol) - Protocol that allows a packet of information to travel through many networks and LANs.

IP Address - IP addresses deliver packets of data across a network. These addresses differentiate the source and destination IP address and keep them constant. When a router port detects a packet, the router checks the routing table. The port attempts to match the network number of the destination IP address with its routing table entry. If the port finds a match, it forwards the packet to the destination network. With no match, the port forwards the packet to a router defined as the default gateway.

J

K

L

LAN (Local Area Network) - Network base covering a local geographic area. A LAN connects computers in the same building or area.

Link Cost - Cost associated with the interface. Based on this cost, the bridge decides which link to forward data over.

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