Cheatsheet: Difference between revisions
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#If PC2 is in Different Subnet(True for above scenario), Check Gateway IP address & MAC address |
#If PC2 is in Different Subnet(True for above scenario), Check Gateway IP address & MAC address |
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#If MAC address is not known, send an ARP request. |
#If MAC address is not known, send an ARP request. |
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#Hub is directly connected, will receive & Flood packet on all Ports. |
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#Switch will receive packet and check its CAM Table for the MAC to Port bindings |
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#If MAC entry is not found in CAM table, Switch will Flood the ARP packet on all ports. |
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#Other destinations will drop the ARP Request packet as they do not have the IP address requested in ARP Header. |
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#Only Router will accept the packet as it has the requested IP address matching its own MAC address. |
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#It will reply with an ARP Reply message. |
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#Switch will add an entry of this MAC address & port number in its CAM Table once the reply packet pass through it. |
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#Hub will flood the packet through all ports. |
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#ARP Reply will reach PC1, it will add entry to its ARP Table |
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#Then send a packet destined to PC2 with destintion MAC address as Router's Interface's MAC address received in ARP reply. |