IANA www iana org n ARIN www arin
- Slides: 31
Получаване на адреси IANA – www. iana. org n ARIN – www. arin. net – Америка n RIPE – www. ripe. net – Европа n APNIC – www. apnic. net – Азия n Afri. NIC – www. afrinic. net – Африка n LACNIC – lacnic. net – Латинска америка n
Broadcast адрес
Валидни комбинации за маска 0000 = 0 n 10000000 = 128 n 11000000 = 192 n 11100000 = 224 n 11110000 = 240 n 11111000 = 248 n 11111100 = 252 n 11111110 = 254 n 1111 = 255 n 192. 168. 1. 0 255. 0 = 192. 168. 1. 0/24
Пример Network | host 192. 168. 1. 0 sshhhhhh Мрежа Broadcast IP адреси битове 0 63 1 - 62 00 64 127 65 - 126 01 128 191 129 - 190 10 192 255 193 - 254 11 Мрежова маска Преди: 255. 0 След: 255. 192. 0
Свързване на подмрежите 192. 168. 1. 1. 65 Интернет IP : 192. 168. 1. 2 – 62 SM: 255. 192 DG: 192. 168. 1. 1 Мрежа 0 IP : 192. 168. 1. 66 – 126 SM: 255. 192 DG: 192. 168. 1. 65 Мрежа 64 IP : 192. 168. 1. 130 – 190 SM: 255. 192 DG: 192. 168. 1. 129 Мрежа 128 IP : 192. 168. 1. 194 – 224 SM: 255. 192 DG: 192. 168. 1. 193 Мрежа 192 . 129 192. 168. 1. 193
Логическо разделяне без физическо Интернет 192. 168. 1. 1 192. 168. 1. 65 192. 168. 1. 129 192. 168. 1. 193 IP : 192. 168. 1. 2 – 62 SM: 255. 192 DG: 192. 168. 1. 1 Мрежа 0 IP : 192. 168. 1. 66 – 126 SM: 255. 192 DG: 192. 168. 1. 65 Мрежа 64 IP : 192. 168. 1. 130 – 190 SM: 255. 192 DG: 192. 168. 1. 129 Мрежа 128 IP : 192. 168. 1. 194 – 224 SM: 255. 192 DG: 192. 168. 1. 193 Мрежа 192
Специални адреси 255 – Local Broadcast n 0. 0 – Default Route n 127. 0. 0. 0 – Local Host (Loopback) n 169. 254. 0. 0 – APIPA n
Network Address Translation
IPv. 6
Безкласово адресиране IP address: 82. 38. 45. 1 Subnet mask: 255. 0
Type of Service Precedence: n 000 (0) - Routine n 001 (1) - Priority n 010 (2) - Immediate n 011 (3) - Flash n 100 (4) - Flash Override n 101 (5) - Critical n 110 (6) - Internetwork Control n 111 (7) - Network Control
Флагове Reserved n Don’t Fragment n More Fragments n
Time-to-Live
IP Options n n n n 0 - the end of the option list 1 - No Operation 2 - Security the various security codes can be found in RFC 791. 3 - Loose Source Routing 4 - Internet Timestamp 7 - Record Route 8 - Stream ID 9 - Strict Source Routing
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