1

Smart AP Project

2

Smart AP

A Linux-based host , which serves as access point (AP) in 802.11 wireless network

Internet

Internet

Smart AP

3

Feature Category

Firewall Security Network Management Advance Service Support

QoS for VoIP Video streaming Printer Server

4

Firewall

IP packet filtering Static port filtering Static MAC filtering

5

Firewall

Packet Filtering Source and destination IP address Protocol Source and destination port TCP flags etc. InternetInternet

Smart AP

acceptRejectCheck

6

Security

MAC Address Control Table 802.1X

Support EAP-MD5, TLS, TTLS Web-based RADIUS access control

7

Security

8

CGI

Radius Client

Internet

AP + Web Server

Radius Server

Client

9

Security

AP Hardware

PC 802.3 ethernet NIC Pcmcia wireless card

Software Redhat 7.2 ( kernel:2.4.7-10) Apache 1.3.22 Open1x-v1.0 (for 802.1x protocol) Radius Client (for web-based authentication) DHCP 3.0

10

Security

Radius Server Redhat 7.3 ( kernel:2.4.18) Freeradius 0.7.1

Client Windows XP or Windows 2000 802.1x client software for Windows 2000 Linux ( with xsupplicant )

11

Network Management

SNMP Agent MIB

MIB-II 802.11, 802.1d briding MIB 802.1x MIB

12

Network Management

Internet

InternetSNMP agent

SNMP agent

SNMP agent

SNMP manager

13

Network Management

MIB (Management Information Base) a formal description of a set of network objects MIB II

root

Iso(1)

member(2)

dod(6)

Internet(1)

org(3)

ccitt(0)

Joint-iso-ccitt(2)

mgmt(2)

mib(1)

14

Network Management

Software Net-snmp 5.0.3

802.11 MIB iso(1).member(2).us(840).ieee802dot11(10036)

root

Iso(1)

member(2)

us(840)

ieee802dot11(10036)

org(3)

ccitt(0)

Joint-iso-ccitt(2)

15

Advance Service Support

QoS for VoIP Video streaming Printer Server

16

QoS of Wireless LAN

Property of Wireless LAN High location-dependent errors Limited bandwidth

Challenge Traffics Separation and differentiation Meet the QoS requirements for different applicati

ons Utilize bandwidth effectively

17

18

Printer server 架構圖

Smart AP 利用 parallel port 來連接 printer

Os: windows

Parallel port Eth port

Printer

Os: linux

19

Implementation

使用者可以透過網路上的芳鄰看到分享出來的印表機，在使用者端安裝完 driver 之後，就可以進行列印

Implementation LPRng Samba

20

Thanks !!