Understanding Interface Numbering
Figure 1-6
For the Cisco 3660 router (see
•
Slot 0 contains fixed FastEthernet ports and is located at the top of the chassis.
•
Slot 1 is at the bottom right (as viewed from the rear of the chassis), near the power supply.
•
Slot 2 is at the bottom left.
•
Slot 3 is at the right, above slot 1.
•
Slot 4 is at the left, above slot 2
•
Slot 5 is at the right, above slot 3.
•
Slot 6 is at the left, above slot 4.
For the Cisco 3620 and Cisco 3640 routers shown in
as follows:
•
Slot 0 is at the bottom right (as viewed from the rear of the chassis), near the power supply.
•
Slot 1 is at the bottom left.
•
Slot 2 is at the top right, above slot 0.
•
Slot 3 is at the top left, above slot 1.
For the Cisco 3631 router shown in
•
Slot 0 for all built-in interfaces like the FastEthernet port at the bottom center near the Console/AUX
ports
•
Slot 0 for all WAN interface card (WIC) interfaces
•
Slot 1 for network module interfaces at the bottom left.
•
Slot 2 for network module interfaces at the top left, above slot 1.
Software Configuration Guide For Cisco 2600 Series, Cisco 3600 Series, and Cisco 3700 Series Routers
1-6
Chapter 1
Cisco 3631 Router Rear View
Figure
1-3), the slots are numbered as follows:
Figure
Understanding Interface Numbering and Cisco IOS Software Basics
Figure 1-4
and
Figure
1-6, the slots are numbered as follows:
1-5, the slots are numbered
OL-1957-04