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Cisco 2901 User Manual

Cisco 2901
408 pages
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Cisco Systems, Inc.
www.cisco.com
Cisco has more than 200 offices worldwide.
Addresses, phone numbers, and fax numbers
are listed on the Cisco website at
www.cisco.com/go/offices.
Cisco 3900 Series, Cisco 2900 Series, and
Cisco 1900 Series
Integrated Services Routers Generation 2
Software Configuration Guide
April 10, 2015

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

Summary

Overview of the Hardware and Software

Feature Information

Details various hardware and software features of the Cisco ISR G2 series routers.

Basic Router Configuration

Interface Configuration

Covers configuration procedures for various interface types like ports, Ethernet, and loopback.

Routing Configuration

Explains how to configure static and dynamic routes for network connectivity.

Configuring Ethernet CFM and Y.1731 Performance Monitoring on Layer 3 Interfaces

CFM Support on Routed Port and Port MEP

Details configuring Connectivity Fault Management (CFM) on port Maintenance End Points (MEPs).

Support for Y.1731 Performance Monitoring on a Routed Port (L3 Subinterface)

Describes Y.1731 Performance Monitoring for Ethernet frame delay, variation, loss, and throughput.

Configuring Backup Data Lines and Remote Management

Configuring Backup Interfaces

Details configuring backup interfaces, including primary and secondary failover media.

Configuring Security Features

Configuring the Cryptographic Engine Accelerator

Details enabling hardware acceleration for SSLVPN with the crypto engine accelerator.

Configuring SSL VPN

Provides support for remote user access to enterprise networks via SSL VPN gateway.

Authentication, Authorization, and Accounting

Explains AAA framework for router access control, user identification, and security.

Configuring Access Lists

Describes how to permit or deny network traffic based on IP addresses or protocols.

Configuring Cisco IOS Firewall

Explains configuring a stateful firewall for packet inspection and connection monitoring.

Configuring VPN

Covers site-to-site and remote access VPN configurations using IPSec tunnels.

Configuring Identity Features on Layer 3 Interface

Authentication Methods

Details authentication methods like IEEE 802.1X and MAC Authentication Bypass (MAB).

Controlling Port Authorization State

Explains how to control port authorization using force-authorized, force-unauthorized, and auto modes.

Unified Communications on Cisco Integrated Services Routers

Call Control

Details call control applications like CUCM Express, SRST, CUSP, and Gatekeeper.

Voice Security

Details voice security services including UC Trusted Firewall and encryption methods.

Configuring Next-Generation High-Density PVDM3 Modules

Prerequisites for Configuring the PVDM3 Module on Cisco Voice Gateway Routers

Specifies requirements like Cisco IOS Release and hardware installation for PVDM3 module configuration.

Upgrading the Cisco IOS Software

Restrictions for Upgrading the System Image

Details restrictions for system image upgrades, including CF card compatibility and slot usage.

Information About Upgrading the System Image

Guides on choosing the correct Cisco IOS release and feature set for upgrades.

How to Upgrade the Cisco IOS Image

Provides procedures for upgrading the Cisco IOS image on the router.

How to Upgrade the IOS Image on the Access Point

Describes how to upgrade the Cisco IOS image on the embedded access point.

Configuring the Wireless Device

Configuring Wireless Settings

Details configuration of wireless security, VLANs, radio settings, and management options.

Configuring Radio Settings

Configuring Radio Channel Settings

Assigns static channel settings for access points to optimize performance and manage congestion.

Administering the Wireless Device

Security on the Wireless Device

Covers disabling mode button, preventing unauthorized access, and protecting EXEC commands.

APPENDIX A Cisco IOS CLI for Initial Configuration

Using the Cisco IOS CLI to Perform Initial Configuration

Provides procedures for initial configuration tasks like hostname, passwords, and interfaces.

APPENDIX C Using ROM Monitor

How to Use the ROM Monitor—Typical Tasks

Provides procedures for entering ROM monitor mode, displaying commands, and loading images.

APPENDIX D Changing the Configuration Register Settings

Changing the Configuration Register Settings

Details modifying configuration register settings via ROM monitor or Cisco IOS CLI.

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