Appendix E. Key Tables for CCIE Study

Chapter 1

Table 1-2. Ethernet Cabling Types

Type of Cable

Pinouts

Key Pins Connected

Straight-through

  

Cross-over

  

Table 1-3. Ethernet Header Fields

Field

Description

Preamble (DIX)

 

Preamble and Start of Frame Delimiter (802.3)

 

Type (or Protocol Type) (DIX)

 

Length (802.3)

 

Destination Service Access Point (802.2)

 

Source Service Access Point (802.2)

 

Control (802.2)

 

Organizationally Unique Identifier (SNAP)

 

Type (SNAP)

 

Table 1-4. Three Types of Ethernet/MAC Address

Type of Ethernet/MAC Address

Description and Notes

Unicast

 

Broadcast

 

Multicast

 

Table 1-5. I/G and U/L Bits

Field

Meaning

I/G

 

U/L

 

Table 1-6. Ethernet Type Fields

Type Field

Description

Protocol Type

 

DSAP

 

SNAP

 

Table 1-7. LAN Switch Forwarding Behavior

Type of Address ...

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