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PRÁTICA
Hubs e Switches
Cenário 1 (SWITCH X HUB)
Configuração
• 1. Crie a topologia de rede conforme a figura
• 2. Atribua os endereços IP aos computadores, clicando sobre o
computador, e em seguida, Aba Desktop – IP Configuration.
• 3. No computador A, abra um Command Prompt e digite:
– ping –t 10.0.0.3
• 4. No computador D, abra um Command Prompt e digite:
– - ping -t 10.0.0.6
• 4. Entre no modo simulação, clicando no ícone na borda inferior
direita.
• 5. Na opção Edit Filters, deixe apenas o protocolo ICMP marcado.
• 6. Clique em Auto Capture/Play e verifique o comportamento dos
pacotes.
Relatório – Parte 1
• 1) No switch, indique quais computadores receberam:
– Os pacotes enviados de A para C
– Os pacotes enviados de C para A
• 2) No hub, indique quais computadores receberam:
– Os pacotes enviados de D para F
– Os pacotes enviados de F para D
• 3) Durante a simulação do HUB, analise um pacote
ICMP enviado de D para F. Identifique
– O endereço físico (MAC) de D
– O endereço físico (MAC) de F
Cenário 2 (SWITCH e Hub em
CASCATA)
Configuração
• 1. Faça uma ligação entre o Switch e o Hub,
conforme a Figura.
• 2. No computador A, abra um Command
Prompt e digite:
– ping –t 10.0.0.6
• 4. Entre no modo simulação, clicando no ícone
na borda inferior direita.
• 5. Clique em Auto Capture/Play e verifique o
comportamento dos pacotes.
Relatório – Parte 2
• 1) No switch, indique quais computadores
receberam:
– Os pacotes enviados de A para F
– Os pacotes enviados de F para A
• 2) No hub, indique quais computadores
receberam:
– Os pacotes enviados de A para F
– Os pacotes enviados de F para A
Cenário 3 (SWITCH em CASCATA)
Configuração
• 1. Crie a topologia de rede conforme a figura (reaproveite os
computadores apagando o HUB e substituindo-o por um SWITCH).
• 2. No computador A, abra um Command Prompt e digite:
– ping 10.0.0.2
– ping 10.0.0.3
– ....
– ping 10.0.0.6
• 4. Clique na aba CLI do Switch da esquerda e digite o comando:
– Show ma <TAB>
• 5. Clique na aba CLI do Switch da direita e digite o comando:
– Show ma <TAB>
Relatório – Parte 3
• 1) Indique como ficou a tabela de endereços
MAC do Switch da direita:
• 2) Indique como ficou a tabela MAC do switch
da esquerda
• 3) Responda: por que a tabela MAC do Switch
da direita não mostra todos os endereços
MAC?

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HubsSwitchesSimulação

  • 3. Configuração • 1. Crie a topologia de rede conforme a figura • 2. Atribua os endereços IP aos computadores, clicando sobre o computador, e em seguida, Aba Desktop – IP Configuration. • 3. No computador A, abra um Command Prompt e digite: – ping –t 10.0.0.3 • 4. No computador D, abra um Command Prompt e digite: – - ping -t 10.0.0.6 • 4. Entre no modo simulação, clicando no ícone na borda inferior direita. • 5. Na opção Edit Filters, deixe apenas o protocolo ICMP marcado. • 6. Clique em Auto Capture/Play e verifique o comportamento dos pacotes.
  • 4. Relatório – Parte 1 • 1) No switch, indique quais computadores receberam: – Os pacotes enviados de A para C – Os pacotes enviados de C para A • 2) No hub, indique quais computadores receberam: – Os pacotes enviados de D para F – Os pacotes enviados de F para D • 3) Durante a simulação do HUB, analise um pacote ICMP enviado de D para F. Identifique – O endereço físico (MAC) de D – O endereço físico (MAC) de F
  • 5. Cenário 2 (SWITCH e Hub em CASCATA)
  • 6. Configuração • 1. Faça uma ligação entre o Switch e o Hub, conforme a Figura. • 2. No computador A, abra um Command Prompt e digite: – ping –t 10.0.0.6 • 4. Entre no modo simulação, clicando no ícone na borda inferior direita. • 5. Clique em Auto Capture/Play e verifique o comportamento dos pacotes.
  • 7. Relatório – Parte 2 • 1) No switch, indique quais computadores receberam: – Os pacotes enviados de A para F – Os pacotes enviados de F para A • 2) No hub, indique quais computadores receberam: – Os pacotes enviados de A para F – Os pacotes enviados de F para A
  • 8. Cenário 3 (SWITCH em CASCATA)
  • 9. Configuração • 1. Crie a topologia de rede conforme a figura (reaproveite os computadores apagando o HUB e substituindo-o por um SWITCH). • 2. No computador A, abra um Command Prompt e digite: – ping 10.0.0.2 – ping 10.0.0.3 – .... – ping 10.0.0.6 • 4. Clique na aba CLI do Switch da esquerda e digite o comando: – Show ma <TAB> • 5. Clique na aba CLI do Switch da direita e digite o comando: – Show ma <TAB>
  • 10. Relatório – Parte 3 • 1) Indique como ficou a tabela de endereços MAC do Switch da direita: • 2) Indique como ficou a tabela MAC do switch da esquerda • 3) Responda: por que a tabela MAC do Switch da direita não mostra todos os endereços MAC?