ptg29743230
16
Chapter 16: Configuring IPv4 Addresses and Static Routes 379
Thinking about how Router R1 forwards a packet to host A (172.16.1.9), over that final sub-
net, R1 does the following:
1.
R1 looks in its ARP table for an entry for 172.16.1.9.
2.
R1 encapsulates the IP packet in an Ethernet frame, adding destination
0200.3333.3333 to the Ethernet header (as taken from the ARP table).
3.
R1 transmits the frame out interface G0/0.
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