Figure 57 Ethernet Ii Ip Frame

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In both Figure 5-6 aed Figure 5-7, you i dentify th e orame tyf)e tbyc lo oking at the 2-byt:e E^e^yne cield in she DLC header. The value of th e EtherType indicate s the next-layinc protocol to hand off to. Look up www.cavebear.com/CaveBear/Ethernet/type.html as in Figure 5-8 or http://standards.ieee.orq/reqauth/ethertvpe/type-pub.htmi for more EtherTypes. Cavebear also has a fairly comprehensive list of Ethernet vendor codes and multicast addresses (which are discussed in more detail in the "Ethernet Addressing" section later in this chapter).

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