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Cisco 2901 User Manual

Cisco 2901
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A-6
Cisco 3900 Series, Cisco 2900 Series, and Cisco 1900 Series Integrated Services Routers Generation 2 Software Configuration Guide
Appendix A Cisco IOS CLI for Initial Configuration
Using the Cisco IOS CLI to Perform Initial Configuration
Examples
The following example shows how to set the console idle privileged EXEC timeout to 2 minutes 30
seconds:
line console
exec-timeout 2 30
The following example shows how to set the console idle privileged EXEC timeout to 10 seconds:
line console
exec-timeout 0 10
Configuring Gigabit Ethernet Interfaces
This sections shows how to assign an IP address and interface description to an Ethernet interface on
your router.
For comprehensive configuration information on Gigabit Ethernet interfaces, see the “Configuring LAN
Interfaces” chapter of Cisco IOS Interface and Hardware Component Configuration Guide,
http://www.cisco.com/en/US/docs/ios/12_2/interface/configuration/guide/icflanin.html
For information on interface numbering, see Software Configuration Guide for your router.
SUMMARY STEPS
1. enable
2. show ip interface brief
3. configure terminal
4. interface gigabitethernet 0/port
5. description string
6. ip address ip-address mask
7. no shutdown
8. end
9. show ip interface brief
Step 5
end
Example:
Router(config)# end
Returns to privileged EXEC mode.
Step 6
show running-config
Example:
Router(config)# show running-config
Displays the running configuration file.
Verify that you properly configured the idle privileged
EXEC timeout.
Command or Action Purpose

Table of Contents

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Cisco 2901 Specifications

General IconGeneral
Operating altitude0 - 3000 m
Non-operating altitude0 - 4570 m
Storage temperature (T-T)-40 - 70 °C
Operating temperature (T-T)0 - 40 °C
Storage relative humidity (H-H)5 - 95 %
Operating relative humidity (H-H)10 - 85 %
Ethernet LANYes
Cabling technology10/100/1000BASE-T(X)
Networking standardsIEEE 802.1Q, IEEE 802.1ag, IEEE 802.3, IEEE 802.3ab, IEEE 802.3af, IEEE 802.3ah
Ethernet LAN data rates10, 100, 1000 Mbit/s
Ethernet interface typeGigabit Ethernet
DHCP client-
Routing protocolsBGP, EIGRP, OSPF
Supported protocolsIPv4, IPv6, IS-IS, IGMPv3, PIM SM, SSM, DVMRP, IPSec, GRE, BVD, MPLS, L2TPv3, PPP, MLPPP, MLFR, HDLC, RS-232, RS-449, X.21, V.35, EIA-530, PPPoE, ATM
USB version2.0
RS-232 ports1
Expansion slots4 x EHWIC 2 x DSP 1 x ISM
Ethernet LAN (RJ-45) ports2
Firewall securityCisco IOS
Input current1.5 A
AC input voltage100 - 240 V
Power source typeAC
AC input frequency47 - 63 Hz
Power consumption (typical)40 W
Product colorBlack
Rack capacity1U
SafetyUL 60950-1, CAN/CSA C22.2 No. 60950-1, EN 60950-1, AS/NZS 60950-1, IEC 60950-1
Flash memory256 MB
Internal memory512 MB
Electromagnetic compatibility47 CFR, ICES-003, EN55022, CISPR22, AS/NZS 3548, VCCI V-3, EN 300-386, EN 61000, EN 55024, CISPR 24EN50082-1
Weight and Dimensions IconWeight and Dimensions
Depth439.4 mm
Width438.2 mm
Height44.5 mm
Weight6100 g

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