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Understanding Interface Numbering
Figure 1-6
AI C- 64
AS YN C
31
30
27
26
29
28
25
24
15
14
11
10
13
12
9
8
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
Cisco 3631 Router Rear View
Slot 2
W1
CO NN
1
CO NN
3
CO NN
2
CO NN
4
ST AT
EN
AS YN C
24- 31
23
22
19
18
21
AS YN C
16- 23
20
17
AS YN C
16
8-1 5
7
3
6
5
2
AS YN C
1
0-7
4
0
SEE MAN
UAL BEF
DSU
EN
ORE INS
TAL LAT ION
56K
Slot 1
FastEthernet 0/0
Figure
Chapter 1
Understanding Interface Numbering and Cisco IOS Software Basics
W0
SEE MAN
UAL BEF
ORE INS
TAL LAT ION
Console/AUX
ports
1-3), the slots are numbered as follows:
Figure 1-4
Figure
1-6, the slots are numbered as follows:
and
Figure
1-5, the slots are numbered
OL-1957-03
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