Chapter 1
Understanding Interface Numbering and Cisco IOS Software Basics
Figure 1-3
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Figure 1-5
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Cisco 3660 Router Rear View
Cisco 3640 Router Rear View
Cisco 3620 Router Rear View
Software Configuration Guide For Cisco 2600 Series, Cisco 3600 Series, and Cisco 3700 Series Routers
Understanding Interface Numbering
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