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Internet Connections Computer Pals for Seniors – The Hills Peter Fowler October 2007 v Internet Connections Computer Pals for Seniors – The Hills Peter Fowler October 2007 v 1. 1 Peter Fowler

Two PCs Using Microsoft ICS 192. 168. 0. 1 60. 241. 40. 39 Ethernet Two PCs Using Microsoft ICS 192. 168. 0. 1 60. 241. 40. 39 Ethernet NAT DHCP Ethernet NIC Modem NIC Dial Up ADSL Cable Wireless Cross Over Cable 192. 168. 0. 2 Microsoft Internet Connection Sharing (ICS) NIC Ethernet (red) Cat 5 or Cat 6 Ethernet (blue) Cat 5 or Cat 6 October 2007 v 1. 1 Peter Fowler 2

Three PCs Using ICS + Hub 192. 168. 0. 1 60. 241. 40. 39 Three PCs Using ICS + Hub 192. 168. 0. 1 60. 241. 40. 39 Ethernet NAT DHCP NIC Modem NIC Dial Up ADSL Cable Wireless 192. 168. 0. 2 Hub 192. 168. 0. 3 NIC Ethernet (blue) Cat 5 or Cat 6 October 2007 v 1. 1 Peter Fowler 3

Three PCs Using Router 192. 168. 0. 2 NIC Dial Up ADSL Cable Wireless Three PCs Using Router 192. 168. 0. 2 NIC Dial Up ADSL Cable Wireless Modem 60. 241. 40. 39 192. 168. 0. 3 NAT DHCP NIC Router 192. 168. 0. 4 192. 168. 0. 1 October 2007 v 1. 1 NIC Ethernet (blue) Cat 5 or Cat 6 Peter Fowler 4

Three PCs + Router + Firewall 192. 168. 0. 2 SPI Firewall Modem NIC Three PCs + Router + Firewall 192. 168. 0. 2 SPI Firewall Modem NIC Dial Up ADSL Cable Wireless 60. 241. 40. 39 192. 168. 0. 3 NAT DHCP NIC Router 192. 168. 0. 4 192. 168. 0. 1 October 2007 v 1. 1 NIC Ethernet (blue) Cat 5 or Cat 6 Peter Fowler 5

Four PCs + Router + WAP 192. 168. 0. 2 SPI Firewall Modem NIC Four PCs + Router + WAP 192. 168. 0. 2 SPI Firewall Modem NIC Dial Up ADSL Cable Wireless 60. 241. 40. 39 192. 168. 0. 3 WAP NIC SSID: network WPA-PSK Security Pass Key: xxxxx Router 192. 168. 0. 4 192. 168. 0. 1 MAC Address 00: 0 f: b 5: 8 b: af: 93 October 2007 v 1. 1 NIC 192. 168. 0. 5 Peter Fowler 6

Modem / Router / Firewall / WAP 192. 168. 0. 2 NIC Dial Up Modem / Router / Firewall / WAP 192. 168. 0. 2 NIC Dial Up ADSL Cable Wireless Modem 60. 241. 40. 39 192. 168. 0. 3 WAP NIC Router 192. 168. 0. 4 192. 168. 0. 1 October 2007 v 1. 1 NIC 192. 168. 0. 5 Peter Fowler 7

Internet Service Providers (ISP) • • Provides high speed access to global Internet Provides Internet Service Providers (ISP) • • Provides high speed access to global Internet Provides an Account with Username & Password Allocates an IP address (dynamic or static) Provides access to Domain Name Severs (DNS) Provides a 5 MB POP mailbox to hold your emails Provides a Help Desk for when you have problems Tracks your usage, issues bills and collects payment May also offer Website Hosting & Spam Filtering etc October 2007 v 1. 1 Peter Fowler 8

ISP Plan Parameters • Technology – Dial Up, ADSL, Cable or Wireless • Speed ISP Plan Parameters • Technology – Dial Up, ADSL, Cable or Wireless • Speed – 64 kbps all the way up to 8, 000 kbps • Download – 200 MB to 12 GB per month • Price – $14 to $90 per month October 2007 v 1. 1 Peter Fowler 9

Typical ISP Plans Plan Speed Big. Pond Dial Up 64 kbps/64 kbps 50 MB Typical ISP Plans Plan Speed Big. Pond Dial Up 64 kbps/64 kbps 50 MB $13. 95 Big. Pond Dial Up 64 kbps/64 kbps 100 MB $19. 95 Big. Pond ADSL 256 kbps/64 kbps 200 MB $29. 95 Big. Pond ADSL 1, 500 kbps/256 kbps 400 MB $49. 95 Big. Pond ADSL 1, 500 kbps/256 kbps 12 GB $79. 95 Big. Pond Cable 8, 000 kbps/128 kbps 200 MB $29. 95 Big. Pond Cable 8, 000 kbps/128 kbps 400 MB $49. 95 Big. Pond Cable 8, 000 kbps/128 kbps 12 GB $69. 95 Big. Pond Wireless <3, 000 kbps/<384 kbps 1 GB $84. 95 October 2007 v 1. 1 Download $ per Month Peter Fowler 10

ISP Choice • Limited by technology – Cable only available from Big. Pond & ISP Choice • Limited by technology – Cable only available from Big. Pond & Optus – Wireless available from Big. Pond, Optus, Virgin, Unwired, i. Burst, Vodaphone, 3, Soul, i. Roam, Spin Internet and a few others • Majority of the 236 ISPs support Dial Up and ADSL – Using Telstra’s CAN and Exchanges October 2007 v 1. 1 Peter Fowler 11

Information Sources • Whirlpool (http: //bc. whirlpool. net. au/) is a huge source of Information Sources • Whirlpool (http: //bc. whirlpool. net. au/) is a huge source of information on anything to do with Internet connectivity • Nearly 230, 000 members Australia wide • Details of ISPs, Plans, Modems • Forums & Knowledge Base October 2007 v 1. 1 Peter Fowler 12

Why Local Area Network (LAN) • • • Share an Internet connection Share a Why Local Area Network (LAN) • • • Share an Internet connection Share a printer to all users Share files across all users Share hard disk storage Transfer information Wireless mobility October 2007 v 1. 1 Peter Fowler 13

Wireless Networks (Wi-Fi) • • Use IEEE Standard 802. 11 Indoor range below. Outdoors Wireless Networks (Wi-Fi) • • Use IEEE Standard 802. 11 Indoor range below. Outdoors can be 3 x Data rates are theoretical – often much less 802. 11 a – 54 Mbps / 35 m range / 5 GHz 802. 11 b – 11 Mbps / 38 m range / 2. 4 GHz 802. 11 g – 54 Mbps / 38 m range / 2. 4 GHz 802. 11 n – 248 Mbps / 70 m range / 2. 4 & 5 GHz 802. 11 n standard to be finalised Sept 2008 October 2007 v 1. 1 Peter Fowler 14

Network Hardware • • Modem NIC Hub Switch Router WAP Firewall October 2007 v Network Hardware • • Modem NIC Hub Switch Router WAP Firewall October 2007 v 1. 1 – Modulator / Demodulator – Network Interface Card – ‘Dumb’ Ethernet connector – ‘Smart’ Ethernet connector – Connects two Ethernet Networks – Wireless Access Point – ‘Border control’ for TCP/IP Peter Fowler 15