D-Link DWL-3500AP Bedienungsanleitung

Configuration Guide

Product Model:

DWS

3000 Series, DWL

3500AP/8500AP

Version

2.0

Unified Wired & Wireless Access System

Table of Contents

1. Scenario 1 -Basic L2 Edge Setup: 1 WS + 2 APs......................................................3

1.1. Configure AP Network Settings .........................................................................4

1.2. Configure the DHCP Server ...............................................................................5

1.2.1. Global DHCP Configuration.......................................................................5

1.2.2. Pool Configuration......................................................................................6

1.3. ACL Configuration.............................................................................................7

1.4. Wireless Configuration.......................................................................................9

1.5. Device Connections .......................................................................................... 10

1.6. Save Configuration ........................................................................................... 11

1.7. Verify the Configuration................................................................................... 12

1.8. Feature Tests..................................................................................................... 12

1.8.1. L2 Start Roaming Test.............................................................................. 12

1.8.2. Auto channel adjustment after associating with AP2 ............................... 12

1.8.3. Rogue AP Detection.................................................................................. 14

1.8.4. Power Adjustment..................................................................................... 15

1.8.5. Load Balancing ......................................................................................... 17

1.9. Switch and AP Cleanup .................................................................................... 17

2. Scenario 2 –L2/L3 Edge: 1 WS + 1 AP + 1 Remote AP ......................................... 18

2.1. Configuring LAN Settings................................................................................ 19

2.1.1. Create VLANs........................................................................................... 19

2.1.2. Configure VLAN Routing ........................................................................ 22

2.1.3. Enable Global Routing.............................................................................. 24

2.1.4. Configure Static Routing .......................................................................... 24

2.1.5. Configure the Loopback Interface ............................................................ 24

2.1.6. DHCP Server............................................................................................. 25

2.1.7. ACL Configuration................................................................................... 26

2.2. Configuring WLAN Settings ............................................................................ 29

2.3. Save Configuration ........................................................................................... 32

2.4. Device Connections .......................................................................................... 32

2.5. Verifying the Configuration.............................................................................. 32

1. Scenario 1 -Basic L2 Edge Setup: 1 WS + 2 APs

The diagram in this scenario shows a very basic L2 edge network configuration with one

wireless switch and two access points. All devices are in the same L2 domain.

The objectives in this setup are as follows:

•Set up the minimum configuration for multiple APs

•Configure an AP with a static IP

•Configure an ACL to prevent wireless clients from accessing the WS1

management interface.

•Configure DHCP on the wireless switch for wireless client address assignment.

•Understand some of the D-LINK Unified Access Point features.

An overview of the configuration steps needed for Wireless Switch and APs are as

follows:

1. Disable DHCP on the APs and assign a static IP address to AP2.

2. Configure the WS1 DHCP server & address pool for Guest Network clients.

3. Configure an ACL to restrict access from clients on the Guest Network.

4. Attach the APs to WS1.

5. Validate the APs byadding them to the Valid AP database.

6. Save the configuration.

7. Perform tests.

WS1

AP1

AP2

Seamless Roaming

10.90.90.90/8

CL1

10.90.90.91/8

10.90.90.92/8

SSID:

Guest Network

SSID:

Guest Network

The table below gives the IP addresses used in this scenario. The following steps will

guide you through the configuration of the Wireless Switch and the Access Point.

Device Subnet

Wireless Switch 10.90.90.90/8 (default)

AP1 10.90.90.91/8 (default)

AP2 10.90.90.92/8

Client Address Pool 10.90.91.1 –10.90.91.254

To begin the Wireless Switch configuration, connect to port 12 (or any other unused port)

from a PC that is on the same subnet (10.0.0.0/8) and launchthe web browser using this

IP address, 10.90.90.90. The Wireless Switches and the APs will be connected after

completing the entire configuration.

NOTE:Do not power down the switch before saving configuration.

1.1. Configure AP Network Settings

DHCP client is enabled by default on the APs. However, for this scenario the APs use

static IP addresses. For AP1, you can use the default static IP address of 10.90.90.91, but

you must access the AP CLI to disable DHCP (otherwise, the AP would receive an

address from the switch DHCP server, which you configure in section 1.2. For AP2, you

must access the CLI to disable DHCP and to set a new static IP address so that it does not

use the same IP address as AP1.

To access and configure AP1 and AP2 by using the access point CLI, use the following

steps (Note: you will only have CLI access to the APs prior to them becoming managed

by the Wireless Switch. Once they reach managed state, the switch will disable CLI

access to the APs such that a user cannot modify the configuration of the AP while in

managed mode since in this mode the switch provides configuration information to the

AP. It is possible to place a managed AP in “debug” mode in order to temporarily allow

CLI access to the AP for configuration changes).

1. Physically connect a PC in the 10.0.0.0 subnet to AP1.

2. Telnet to the AP by using the default IP address of 10.90.90.91. Use the default

username/password of admin/admin.

3. Enter the following command to disable DHCP:

set management dhcp-status down

4. Enter the command “save-running” to save the current AP configuration.

5. Physically connect a PC in the 10.0.0.0 subnet to AP2.

6. Telnet to the AP by using the default IP address of 10.90.90.91.

7. Enter the following command to change the IP address:

set management static-ip 10.90.90.92

8. Telnet to the AP again by using the IP address of 10.90.90.92 since your initial

session will be dropped upon changing the address.

9. Enter the following command to disable DHCP:

set management dhcp-status down

10. Enter the command “save-running” to save the current AP configuration.

11. Enter the command “Exit”to logout the AP.

1.2. Configure the DHCP Server

The wireless switch can function as a DHCP server to assign addresses to wireless (or

wired) clients that connect to each AP. To configure the DHCP Server, you must

configure global settings and the address pool for the clients.

For this scenario, wireless clients will be assigned addresses in the range of

10.90.91.1/8 –10.90.91.254/8. By limiting the range of addresses, you can then configure

an ACL to limit the network access of all clients that have addresses within this range and

still maintain additional addresses in this space for static configuration for clients or

servers.

Since these addresses are on the 10.0.0.0 network, you must exclude all addresses that are

not in the range.

1.2.1. Global DHCP Configuration

Use the following procedures to configure the global DHCP settings.

1. Select the LAN tab from the navigation panel and access Administration àDHCP

Server àGlobal Configuration.

2. Enable the Admin Mode

3. Add the excluded addresses as following:

a. 10.0.0.0through 10.90.91.0

b. 10.90.92.0 through 10.255.255.255

Guest

Pool

Excluded Addresses

Subnet Mask

10.90.91.1 –10.90.91.254

10.0.0.1 -10.90.91.0

10.90.92.0 –10.255.255.255 255.0.0.0

1.2.2. Pool Configuration

This section describes how to configure the address pool for the wireless clients.

1. Select Pool Configuration in the Navigation tree.

2. Select create and specify the following settings:

a. Pool Name –GuestPool

b. Type of Binding -Dynamic

c. Network Number –10.0.0.0

d. Network Mask-255.0.0.0

e. Days -1 day

f. Hours -0

g. Minutes -0

h. Default Router Addresses –10.90.90.90

1.3. ACL Configuration

The ACL in this scenario prevents wireless clients from accessing the web management

interface of the switch. All other typesof traffic is allowed.

1. From the LAN menu, navigate to the Access Control Lists > IP ACL > Access

Profile Settings page.

2. From the IP ACL field, select Create New Extended ACLfrom the drop-down

menu.

3. Enter 100 in the ACL ID field, then click Submit.

4. From the Rule Configurationpage, enter 1 as the Rule ID, Deny as the Action, and

False for Match Every, then click Submit.

5. The screen refreshes with additional fields. Click the Configure button associated

with the appropriate fields and enter the following criteria to deny HTTP traffic from

clients on the Guest Network to the Switch and APs:

•Protocol Keyword: IP

•Source IP Address: 10.90.91.1

•Source IP Mask: 0.0.0.255 (This is a wildcard mask)

•Destination IP Address: 10.90.90.1

•Destination IP Mask: 0.0.0.255

•DestinationL4 Port:http

6. Create a new rule, enter 2 as the Rule ID, Permit as the Action, and True for Match

Every, then click Submit.The reason for this second rule is that an ACL has an

implicit “deny all” rule at the end. ACL rules are checked in order and the action of

the first to match the flow is taken. If no match occurs, the packet will be dropped.

Rule 1

Next, you must attach the ACL to port 0/1 and port 0/13 (the physical ports to which the

APs will be connected) so that the rules are applied to the appropriate wireless client

traffic that goes through the APs connected to the switch.

1. From the ACL àInterface Configurationpage,

2. Select port 0/1 from the Slot/Port drop-down menu.

3. Select IP ACL as the ACL Type.

4. Enter 1 as the sequence number, and click Submit.

5. Repeat the steps to associate ACL 100 with port 0/13.

1.4. Wireless Configuration

You configure and monitor all wireless settings from the WLAN tab on the navigation

panel. Since the deployment is an L2 Edge and there are no subnet boundaries to cross,

the switch can use the network management IP address for the wireless functions (Note:

the wireless switch component uses anIP address to manage the APs and peer-switches.

In a L2 environment like this scenario no inter-subnet routing is required. If however

the scenario involves a L3 environment where wireless components including APs and

peer-switches cross subnet boundaries, a routing interface must be used, such as a

loopback interface).

It is important to set the correct country code on the switch so that the APs operate in

the correct regulatory domain.

1. To configure wireless features, select the WLAN tab from the left pane and

traverse down the navigation tree to Administration àBasic Setup.

2. Select the Global tab in the right pane and make sure Wireless Switch Mode is

enabled

3. Select the appropriate country code then click the Submit to submit the request.

Note: This scenario uses the default AP profile configuration, so you do not need to

configure any AAA/RADIUS, Radio, or SSID settings.

Note:The IP address on the Wireless Global Configuration page is the default

management IP address of the switch (10.90.90.90). This address is “chosen” by the

system for use by the Wireless component for communications with the APs and Peer

Switches. If a loopback interface is available, this will be selected first.

1.5. Device Connections

At this point, all the devices are readyto be connected. After the switch discovers the

APs, they will appear on the Failed list because the MAC addresses of the APs are not

configured in the Valid AP database (i.e. the switch has not been configured to accept

any valid APs).

1. Connect AP1 to port 1 of the switch

2. Connect AP2 to port 13 of the switch

3. Wait about 60 seconds and click Monitoring àAccess Pointsà

Authentication Failed Access Points.

4. Select the APs to be managed and click Manage to add them to the valid AP

database.

5. To verify the status of APs, click Monitoring àAccess Point àManaged

Access Points.

6. To view the local Valid AP database, click Administration àBasic Setup, then

click the Valid AP tab.

Note: The APs get into Failed Access Point list in about 60 seconds. After you select APs

to be managed, the APs enter to fully managed state in about 60 seconds.

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