Cisco 1941 User Manual

234
Cisco 3900 Series, Cisco 2900 Series, and Cisco 1900 Series Integrated Services Routers Generation 2 Software Configuration Guide
Chapter Upgrading the Cisco IOS Software
How to Upgrade the Cisco IOS Image
Step 7 show version
Use this command to display the configuration register setting:
Router# show version
Cisco Internetwork Operating System Software
.
.
.
Configuration register is 0x0
Router#
Step 8 If the last digit in the configuration register is 0 or 1, proceed to Step 9. However, if the last digit in the
configuration register is between 2 and F, proceed to Step 12.
Step 9 configure terminal
Use this command to enter global configuration mode:
Router# configure terminal
Router(config)#
Step 10 config-register 0x2102
Use this command to set the configuration register so that, after the next system reload or power cycle,
the router loads a system image from the boot system commands in the startup configuration file:
Router(config)# config-register 0x2102
Step 11 exit
Use this command to exit global configuration mode:
Router(config)# exit
Router#
Step 12 copy run start
Use this command to copy the running configuration to the startup configuration:
Router# copy run start
Step 13 reload
Use this command to reload the operating system:
Router# reload
Step 14 When prompted to save the system configuration, enter no:
System configuration has been modified. Save? [yes/no]: no

Cisco 1941 Specifications

General

Product Type	Router
Product Series	1900
Model	1941
Connectivity Technology	Wired
Data Link Protocol	Ethernet, Fast Ethernet, Gigabit Ethernet
Flash Memory	256 MB
Power Supply	Internal power supply
Power	AC 120/230 V (50/60 Hz)
Operating System	Cisco IOS
Product Name	Cisco 1941
Form Factor	Rack-mountable
Network/Transport Protocol	IPSec, L2TP, PPPoE, PPPoA
Remote Management Protocol	SNMP, Telnet, SSH, HTTP, HTTPS
Features	Firewall protection, VPN support, VLAN support
Interfaces	2 x 10/100/1000Base-T Ethernet WAN, 2 x USB 2.0
Expansion Slots	2 x EHWIC 1 x ISM slot
Wireless LAN	No
RAM	512 MB (installed) / 768 MB (max)