Cisco AIR-BR350-E-K9 Hardware Installation Guide - Page 16

Network Configuration Examples

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Network Configuration Examples Chapter 1 Overview Network Configuration Examples This section describes the bridge's role in three common wireless network configurations. The bridge's default configuration is as a root unit on a wired LAN. The other examples illustrate the bridge being used as a repeater unit and as an access point. Root Unit on a Wired LAN The typical bridge configuration consists of two or more bridges. One bridge is connected directly to the main wired LAN (referred to as a root unit) and the other bridge or bridges (referred to as non-root units) are attached to remote LAN segments (usually in different buildings). Only one bridge in a wireless LAN can be set to root, all other bridges must be set to non-root. Figure 1-2 shows a bridge acting as a root unit on a wired LAN communicating with other non-root bridges on remote LANs. Figure 1-2 Bridges Interconnecting Wired LANs File server LAN segment A Workstation A W I RCEILSECSOS AAICRCOE SN SETP 3O I50N STERIES RADIOAASCSTIOVCIEITTAYTHIEORNNSETTATAUCSTIVITY LEFT SERIAL PORT ONLINE POWER ETHERNET RIGHT/PRIMARY Bridge (root unit) W I RCEILSECSOS AAICRCOE SN SETP 3O I50N STERIES RADIOAASCSTIOVCIEITTAYTHIEORNNSETTATAUCSTIVITY LAN segment B LEFT SERIAL PORT ONLINE POWER ETHERNET RIGHT/PRIMARY Bridge (non-root) W I RCEILSECSOS AAICRCOE SN SETP 3O I50N STERIES RADIOAASCSTIOVCIEITTAYTHIEORNNSETTATAUCSTIVITY Workstation B LAN segment C LEFT SERIAL PORT ONLINE POWER ETHERNET RIGHT/PRIMARY Bridge (non-root) 53089 Workstation C In Figure 1-2, packets sent between the file server and Workstation B or Workstation C go through the non-root bridges over the wireless link. Data packets sent from Workstation A to the file server go through the wired LAN segment and do not go across the wireless link. Cisco Aironet 350 Series Bridge Hardware Installation Guide 1-4 OL-1412-01

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1-4
Cisco Aironet 350 Series Bridge Hardware Installation Guide
OL-1412-01
Chapter 1
Overview
Network Configuration Examples
Network Configuration Examples
This section describes the bridge’s role in three common wireless network configurations. The bridge’s
default configuration is as a root unit on a wired LAN. The other examples illustrate the bridge being
used as a repeater unit and as an access point.
Root Unit on a Wired LAN
The typical bridge configuration consists of two or more bridges. One bridge is connected directly to the
main wired LAN (referred to as a
root unit)
and the other bridge or bridges (referred to as
non-root units
)
are attached to remote LAN segments (usually in different buildings). Only one bridge in a wireless LAN
can be set to root, all other bridges must be set to non-root.
Figure 1-2
shows a bridge acting as a root
unit on a wired LAN communicating with other non-root bridges on remote LANs.
Figure 1-2
Bridges Interconnecting Wired LANs
In
Figure 1-2
, packets sent between the file server and Workstation B or Workstation C go through the
non-root bridges over the wireless link. Data packets sent from Workstation A to the file server go
through the wired LAN segment and do not go across the wireless link.
LAN segment A
LAN segment B
File server
Workstation A
Bridge
(root unit)
Bridge
(non-root)
Workstation B
LAN segment C
Bridge
(non-root)
Workstation C
53089