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Viewing the Default Configuration
Table 1-1
Router
Cisco 871
Cisco 857
Cisco 876
Cisco 877
Cisco 878
Viewing the Default Configuration
When you first boot up your Cisco router, some basic configuration has already been performed. All of
the LAN and WAN interfaces have been created, console and VTY ports are configured, and the inside
interface for Network Address Translation has been assigned. Use the show running-config command
to view the initial configuration, as shown in
Example 1-1
Router# show running-config
Building configuration...
Current configuration : 1090 bytes
!
version 12.3
no service pad
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname Router
!
boot-start-marker
boot-end-marker
!
Cisco 850 Series and Cisco 870 Series Access Routers Software Configuration Guide
1-2
Supported Interfaces and Associated Port Labels by Cisco Router (continued)
Interface
Fast Ethernet LAN
Fast Ethernet WAN
Wireless LAN
USB
Fast Ethernet LAN
ATM WAN
Wireless LAN
Fast Ethernet LAN
ATM WAN
Wireless LAN
BRI
Fast Ethernet LAN
ATM WAN
Wireless LAN
Fast Ethernet LAN
ATM WAN
Wireless LAN
BRI
Cisco 851 Default Configuration on Startup
Chapter 1
Port Label
FE0–FE3
FE4
LEFT, RIGHT/PRIMARY
1–0
LAN (top), FE0–FE3 (bottom)
ADSLoPOTS
(no label)
LAN (top), FE0–FE3 (bottom)
ADSLoISDN
LEFT, RIGHT/PRIMARY
ISDN S/T
LAN (top), FE0–FE3 (bottom)
ADSLoPOTS
LEFT, RIGHT/PRIMARY
FE0–FE3
G.SHDSL
LEFT, RIGHT/PRIMARY
ISDN S/T
Example
1-1.
Basic Router Configuration
OL-5332-01
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Troubleshooting
