4.5 4.6 4.3) 4.3) 4.4) 4.5) Hình 4 4 w/WEP LAWN/MOWER WFG LEAP/RADIUS X X ng/theo phiên X Username/password X X X X X X X X X X X X X 4.7 (Wired Equivalent Privacy) 4.7 4.7 4.8 i. u. Hình 4 4 Internet. và gõ Router Address Username Password 3Com http://192.168.1.1 admin admin Linksys http://192.168.1.1 admin admin Netgear http://192.168.0.1 admin password Save Settings, Apply, và OK P * Dùng máy 1 truy - Lan: IP address: 192.168.1.3, s.mask: 255.255.255.0, d.gateway: 192.168.1.1 - DHCP: start IP: 192.168.1.11 – end IP: 192.168.1.100 network “VPN Clients” ) … g v h. , i ngoài ây. ngành [2] Nguy , [3] [4] Building A Cisco Wireless LAN (Syngress Publishing 2002) [5] Các Website : - http://www.wlana.com - http://www.quantrimang.com -http://www.cuocsongso.com.vn -http://www.haiphongit.com.vn -http://www.nhatnghe.com.vn -http://www.adminviet.com.net -http://www.3c.com.vn 1 2 2 2 3 6 6 6 6 9 9 2.2.3 Microcells và roaming 10 10 10 10 11 12 12 12 12 13 13 13 13 14 14 2.4.9 Chi phí 14 15 15 2.4.12 An toàn 15 16 16 16 16 16 17 17 19 19 3.2.6 Các không gian khung Inter (Inter Frame Space) 20 21 22 22 22 3.4 Roaming 22 23 23 23 24 24 24 24 27 27 27 28 28 28 28 28 28 29 29 29 31 31 34 34 35 36 36 38 38 39 39 4.4.4 WEP 41 42 43 45 45 45 46 48 48 5.1 48 48 55 56 …………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………… …………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………… …………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………… …………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………… …………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………… …………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………… ……………………………………………………………………………………………………………………………………… ……………………………………………………………………………………………………………………… …………………………………………………………………………………………………………………………………………………………………………………………………… . 19 3. 2.6 Các không gian khung Inter (Inter Frame Space) 20 21 22 22 22 3. 4 Roaming 22 23 23 23 24 24 24 24 27 27 27 28 28 28 28 28 28 29 29 29 31 31 34 34 35 36 36 . -http://www.adminviet.com.net -http://www.3c.com.vn 1 2 2 2 3 6 6 6 6 9 9 2.2 .3 Microcells và roaming 10 10 10 10 11 12 12 12 12 13 13 13 13 14 14 2.4.9 Chi phí 14 15 15 2.4.12. 24 27 27 27 28 28 28 28 28 28 29 29 29 31 31 34 34 35 36 36 38 38 39 39 4.4.4 WEP 41 42 43 45 45 45 46 48 48 5.1 48 48 55 56 …………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………… …………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………… …………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………… …………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………… …………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………… …………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………… ………………………………………………………………………………………………………………………………………