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Binary form
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Dot-decimal notation
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IP address
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11000000.10101000.00000101.10000010
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192.168.5.130
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Subnet mask
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11111111.11111111.11111111.11000000
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255.255.255.192
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Network prefix
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11000000.10101000.00000101.10000000
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192.168.5.128
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Host part
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00000000.00000000.00000000.00000010
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0.0.0.2
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DHCP Discovery
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DHCP Offer
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DHCP Request
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DHCP ACK
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ARP Request (For getting to DNS Server)
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ARP Response
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DNS Request
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DNS Response
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ARP Request (For getting to the host)
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ARP Response
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TCP SYN
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TCP SYN-ACK
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TCP ACK
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TCP GET
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TCP Response
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TCP FIN
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TCP FIN-ACK
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TCP ACK
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iBGP - Internal (Within an AS)
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eBGP - External (Between Ases)
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Follow the money.
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- Route to customers first
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- Route to peers second
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- Route to Providers last
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CBT: Core Based Tree
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- Pick a node that acts as the CORE
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- If you want to send to the multicast group. send towards the core.
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- If the message hits the spanning tree. Flood the tree
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DVMRP: Distance-vector multicast routing protocol
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- Use least cost path to reach every member of the multicast group.
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- Centered on the sender
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Cheatography n. The art of mapping complex subjects into clear, instantly navigable reference guides.
