Lms4000 Protocol Stacks; Basic Data Transmission; Figure 15 Lms4000 Protocol Stacks; Table 5 End-User Pc Configuration - WaveRider LMS4000 User Manual

3 Detailed Description

Table 5 End-user PC Configuration

Basic End-user PC Settings
In addition to the above CCU and EUM
settings, the end-user's PC must be
assigned an IP address and subnet, and a
static gateway address. These IP addresses
can be statically assigned to the PC, as
described in Configuring EUM IP
Parameters on page 99, or dynamically
assigned from a DHCP server by
configuring the CCU for DHCP Relay,
described in DHCP Relay
Configuring DHCP Relay

3.4.3 LMS4000 Protocol Stacks

The LMS4000 900 MHz Radio Network is an IP (layer 3) network that provides connectivity
from the end-user's computer to the Internet.
Figure 15 shows the protocol stacks through which an IP packet traverses as it travels
between the end-user's computer, shown on the left, and the Internet, shown on the right.
OSI End-User's
Layer Computer
Applications
(email,
5 - 7 browser, ftp,
telnet, ICQ,
VoIP, ...)
4 TCP/UDP
3 IP
2 Ethernet MAC
1 10BaseT

3.4.4 Basic Data Transmission

This section describes how an EUM registers, and once it is registered, how data traffic flows
from the Internet to the end-user PC and from the end-user PC to the Internet. The process in
both directions involves CCU and EUM data tables, which are described in more detail in
Appendix E on page
24
on page 48, and
on page 88.
EUM3000 CCU3000
EUM Application CCU Application
TCP/UDP TCP/UDP
IP Bridging IP Routing
IP Port Filtering IP Port Filtering
Auth/Reg Auth/Reg
Ethernet
MAC
PMAC PMAC
DSSS DSSS
10BaseT 10BaseT
Radio Radio
Figure 15 LMS4000 Protocol Stacks
183.
Advanced End-user PC Settings
DHCP
NAP Router
TCP/UDP
IP Routing
Ethernet Ethernet
MAC
MAC
10BaseT
Backhaul
Ethernet
MAC
10BaseT
Internet
Connection
APCD-LM043-4.0