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VLANS

Aula sobre roteamento de VLAN - Protocolos de Roteamento

TermDefinition
VLANS Divisão lógica de redes independentes no mesmo espaço físico. É possível definir duas ou mais VLANs, caso o switch permita.
Quando criadas, como elas se comunicam? É preciso a configuração de roteamento para a comunicação entre elas
O que é possível com o roteamento entre VLANs? Isolamento de tráfego Portas podem ser adicionadas e/ou removidas Repasse entre VLANs
Método 1 Roteamento de VLAN Cada VLAN tem 1 das portas ligadas a 1 interface do roteador. Desvantagem: Uma porta perdida para o Roteador por VLAN
Método 2 Roteamento de VLAN Portas Tronco (Trunk) Carrega quadros de várias VLANs Utiliza o protocolo 802.1q para adicionar mais campos no quadro.
Quadro do protocolo 802.1q PREAMBLO/MAC_DESTINO/MAC_REMETENTE/TIPO/DADOS/CRC
Método 3 Roteamento de VLAN Roteamento entre VLANS no próprio switch Requer modelos específicos de switch
Created by: Israelleite