Mavzu: Protokollar. Arp va icmp protokollari

Yuqoridagi harakatlarning barcha tavsiflarini ishchi hududda ko'rib chiqing.
192.168.3.7 tugun-manbaning buyruq satridagi ping-so'rovga javobini ko'ramiz: kutish vaqti ortgan (ko'paygan). (2.19-rasm.)


PC>ping 192.168.5.6
Pinging 192.168.5.6 with 32 bytes of data: Request timed out.

18. 
    rasm. Ping dasturining natijasi
    

Tarmoqda yo'nalishi yo'q bo'lgan, tugun IP-manzili tarkibini va ping- so'rovining natijasini tahlil qiling, 192.168.3.6 tugunida Command Promt oynasini oching va mavjud bo'lmagan 192.168.6.6 IP-manzilli hostga ping-so'rovini jo'nating. Shakllantirilgan marshrutizator paketining mazmunini ko'rib chiqing. Bu paket

5. 
   tuguniga keladi. ICMP-xabar turi - 3 kod 1 bilan, bu "hostning ishni amalga oshirib bo'lmasligi"ni bildiradi. Shunday ko'rinishki, marshrutizator ping- so'rovga javob berdi, unda tegishli yo'nalish yo'q edi va o'z navbatida yangi ICMP - xabar - "host ishni amalga oshirib bolmaydi".
   

TALABALAR UCHUN TOPSHIRIQLAR:
Vazifa: Tarmoq quyidagi tartibda qurilsin:

1. 
   Chekli tugunli 5 ta PC kompyuterlar Switch0 2950-24 kommutatoriga ulansin;
   
2. 
   2 ta PC kompyuterlar va 1 ta Noutbuk (Laptop-PT) Switch1 2950-24 kommutatoriga ulansin;
   
3. 
   Ikki tarmoq kommutatori marshrutizator (Router0) ga birlashtirilib tarmoq topologiyasi yaratilsin. (2.20-rasm):
   

Variant	Manba	Qabul qiluvchi
1	192.168.3.3 192.168.3.4	192.168.3.4 192.168.5.4
2	192.168.3.4 192.168.3.5	192.168.3.7 192.168.5.3
3	192.168.3.5 192.168.3.6	192.168.3.6 192.168.5.5
4	192.168.3.6 192.168.3.7	192.168.3.4 192.168.5.4
5	192.168.3.3 192.168.3.7	192.168.3.7 192.168.5.5
6	192.168.5.3 192.168.3.6	192.168.5.4 192.168.5.4
7	192.168.3.3 192.168.3.5	192.168.3.7 192.168.5.4
8	192.168.3.3	192.168.5.4

	192.168.3.4	192.168.3.5
9	192.168.3.4 192.168.3.5	192.168.5.3 192.168.3.4
10	192.168.5.4 192.168.3.6	192.168.5.5 192.168.5.3
11	192.168.3.4 192.168.3.7	192.168.5.3 192.168.3.4
12	192.168.3.5 192.168.3.6	192.168.5.5 192.168.3.7
13	192.168.3.5 192.168.3.7	192.168.5.4 192.168.3.3
14	192.168.3.6 192.168.3.7	192.168.5.3 192.168.3.5
15	192.168.3.5 192.168.3.6	192.168.3.6 192.168.5.5
16	192.168.5.3 192.168.3.6	192.168.5.4 192.168.5.4
17	192.168.3.3 192.168.3.5	192.168.3.7 192.168.5.4
18	192.168.3.3 192.168.3.4	192.168.5.4 192.168.3.5
19	192.168.3.4 192.168.3.7	192.168.5.3 192.168.3.4
20	192.168.3.5 192.168.3.6	192.168.5.5 192.168.3.7
21	192.168.5.5 192.168.3.5	192.168.5.4 192.168.3.3
22	192.168.3.5 192.168.3.7	192.168.5.4 192.168.3.5
23	192.168.3.5 192.168.3.6	192.168.3.6 192.168.5.5
24	192.168.3.3 192.168.3.7	192.168.3.7 192.168.5.5
25	192.168.3.4 192.168.3.5	192.168.3.7 192.168.5.3

Eslatma: Bajarilgan topshiriqlarni guruh, ismi sharifingiz va laboratoriya raqami bilan nomlagan holda saqlang. Masalan; 201-Aliyev Botir-2-lab.pka Elektron faylini o'qituvchiga taqdim eting.