Black Box LWN600CM-1 Guia do Utilizador descarregar pdf (Página 90)

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Chapter 8: Basic Configuration Examples

Figure 8-5. Select radio.

By selecting the Enable the bridging of Ethernet connection devices over the wireless mesh network checkbox, you enable

advanced bridging features, such as bridge-access and bridge-802.1Q modes. To configure these modes, click Optional Settings >

Interface and Network Settings.

8.5 Example 4: Connecting SmartPath APs to SmartPath EMS VMA

In this example, you set up three SmartPath APs for management through SmartPath EMS VMA. Cable two of the SmartPath

APs—SmartPath AP1 and SmartPath AP2—to the network. Run an Ethernet cable from the eth0 port on each SmartPath AP to a

switch so that they are in the same subnet as the IP address of the MGT interface on SmartPath EMS VMA. (Neither the

SmartPath AP 300 eth1 port nor the SmartPath EMS VMA LAN port are used in this example.) You can use AC/DC power adapt-

erstoconnectthemtoa100–240VACpowersourceorallowthemtoobtainpowerthroughPoEfromPSEonthenetwork.

(Both power adapters and PoE injectors are available from Black Box as options.) Place the third SmartPath AP—SmartPath AP3—

within range of the other two, and use a power adapter to connect it to an AC power source. See Figure 8-6, in which the switch

uses PoE to provide power to SmartPath APs 1 and 2.

= Wired Link

= Wireless Link

SmartPath EMS VMA

Single Subnet

Layer-2 Broadcasting Domain

Router/Firewall/DHCP Server

Switch/PSE The switch delivers power to

SmartPath AP1 and Smart-

Path AP2 through PoE.

SmartPath AP1

(Portal)

SmartPath AP3

(Mesh Point)

SmartPath AP3 receives power

from a 100-240 VAC outlet.

SmartPath AP2

(Portal)

SmartPath AP3 receives power from a

100–240VACoutlet.

Figure 8-6. Connecting SmartPath APs to the network.

Bydefault,theSmartPathAPsobtaintheirnetworksettingsdynamicallyfromaDHCPserver.SmartPathAP3reachestheDHCP

server after first forming a wireless link with the other two SmartPath APs. (A SmartPath AP in the position of SmartPath AP3 is

referred to as a mesh point, and SmartPath APs such as SmartPath AP1 and 2 are called portals.)

Within the framework of the CAPWAP protocol, SmartPath APs act as CAPWAP clients and SmartPath EMS VMA as a CAPWAP

server. Because all devices are in the same subnet in this example, the clients can broadcast CAPWAP Discovery Request messages

to discover and establish a secure connection with the server automatically. During the connection process, each client proceeds

through a series of CAPWAP states, resulting in the establishment of a secure Datagram Transport Layer Security (DTLS)

connection. These states and the basic events that trigger the client to transition from one state to another are shown

in Figure 8-7.

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