Shulou(Shulou.com)06/01 Report--

20c 60s aprnet

In 1975, the birth of < < title > < < title > < title > <...

Tcp/ip model

Application layer http/smtp/dns/telnet/ssh/telnet/tftp

Transport layer tcp/udp

Network layer arp,icmp,ip,rarp

Link layer ethernet

Naming and promotion of ethnet Xeror and DEC

Ethernet IEEE802.3 standardization

Fddi, token bus network similar to ethernet

IEEE 802.11 wireless network

Arp classification

Flip arp (rarp)

Agent arp (proxy rarp)

Free arp

Inverse arp (iarp)

Proxy arp when the local area network host wants to send data out and requests the target mac, the gateway uses its own mac to answer this is the proxy arp.

Show ip int fa0/0 can view the arp agent function

Clear arp-cahce

Ip proxy-arp opens the arp proxy

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