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What is the difference between WAN and LAN ports?I was looking some routers and I noticed that in some of them there is a distinction between WAN and LAN ports? The WAN ports is to connect an access point and LAN ports to connect a switch or a PC?
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Why use iBGP inside an Autonomous System, if IGP protocols fulfill the need for internal communicationCan anyone explain why we need iBGP for the routes when we have the IGP protocols (OSPF, RIP) for internal communication within the AS? I have read a lot of articles and books, but I could not find ...
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Difference between CRC and input errors - show interfaceThe command "show interface fa0/1" prints the following output: What is the difference between "CRC" and "input errors"? CRC errors confirms that a frame error has occured, but what about "input ...
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TCPDump - Filter by MAC AddressI would like to display all traffic for or from a specific MAC address. For that I tried sudo tcpdump host aa:bb:cc:11:22:33 It does not work and returns me an error tcpdump: pktap_filter_packet: ...
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What is the difference between netFlow and sFlow?How is sFlow different from netFlow, and how is each supported by different vendors ?
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What's the difference between an Ethernet cable and a UTP cable?Is there such a thing as an Ethernet cable or technically no? Are they actually called UTP cables? From wikipedia UTP cables are found in many Ethernet networks and telephone systems.
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How can the Cisco Packet Tracer show the port's name?How can the Cisco Packet Tracer show the port's name? the GNS3 can show its interface name.
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