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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) |
Provides steps to configure essential system-wide parameters for the router.
Explains configuration for the wireless LAN interface on the Cisco 1941W router.
Explains manual configuration of fixed routing paths through the network.
Covers automatic path adjustment based on network traffic using routing protocols.
Enables NID functionality without dedicated hardware by using CPE and NID features.
Covers IEEE Connectivity Fault Management (CFM) on routed ports and Port MEP.
Provides steps to configure and enable Ethernet CFM on a port Maintenance End Point (MEP).
Explains Y.1731 Performance Monitoring for Ethernet PM on Layer 3 subinterfaces.
Provides steps for configuring two-way delay measurement for Y.1731 PM.
Describes configuring Ethernet Virtual Connections (EVCs) on Cisco ISR G2 routers.
Outlines steps to configure an Ethernet Flow Point (EFP) and Bridge Domain (BD).
Details the Ethernet Data Plane Loopback feature for testing port throughput and frame transmission.
Explains IEEE CFM implementation over EVC Bridge Domain (BD).
Provides steps to configure the EtherChannel feature on Cisco ISRs.
Covers configuration of backup interfaces for primary connections.
Details steps to configure a backup interface to enable when the primary interface is down.
Explains configuration of Gigabit Ethernet ports for failover redundancy.
Guides on initiating dial-on-demand routing (DDR) and backup using dialer watch.
Details dial backup and remote management configuration using console or auxiliary ports.
Provides steps to configure the router ISDN interface for backup interface functionality.
Details enabling hardware acceleration for SSLVPN with crypto engine accelerator.
Explains setting up a router as an SSL VPN gateway for secure remote access.
Describes AAA framework for setting up access control on the router.
Guides on permitting or denying network traffic based on source/destination IP or protocol.
Details configuring a stateful firewall by inspecting packets and monitoring connections.
Explains Cisco IOS Intrusion Prevention System (IPS) technology for perimeter firewall protection.
Provides information on configuring VPN connections, including site-to-site and remote access.
Details steps for configuring the Internet Key Exchange (IKE) policy.
Details specifying IPSec transform sets and protocols for data flow protection.
Outlines steps to configure IPSec crypto method and parameters.
Guides on applying crypto maps to physical interfaces for IPSec traffic evaluation.
Details creating a Cisco Easy VPN remote configuration for the outgoing interface.
Provides tasks for configuring a VPN over an IPSec tunnel.
Guides on configuring a site-to-site GRE tunnel.
Describes configuring Security Group Tag (SGT) over Ethernet Tagging.
Provides steps to configure SGT over Ethernet Tagging.
Details various authentication methods suitable for different end hosts and users.
Explains how to control the port authorization state using different methods.
Guides on configuring IEEE 802.1X authentication on Cisco 1921 ISR.
Details steps for configuring MAC-based authentication on a port.
Provides steps to configure the port authorization state.
Covers call control applications and Cisco Voice solutions supported on ISRs.
Introduces CME as an integrated IP telephony solution within Cisco IOS.
Explains SRST for call-handling support during CUCM or WAN connection loss.
Lists the unified communication gateways supported on Cisco ISRs.
Introduces Cisco UBE as a session border controller for network interconnect.
Details media services supported by Cisco ISRs.
Explains conferencing, transcoding, and MTP capabilities.
Describes RSVP Agent for resource reservation and QoS management.
Details the PVDM3 digital signal processor modules.
Covers voice security services supported on Cisco ISRs.
Explains Trusted Firewall Control for pushing intelligent services onto the network.
Provides concepts for taking advantage of PVDM3 cards on Cisco voice gateway routers.
Details features supported by the PVDM3 DSP image, excluding Cisco Fax Relay.
Provides a running configuration example for PVDM3 module setup.
Explains HIMI for SM-to-SM or SM-to-ISM communication via MGF.
Provides information on upgrading the system image on the router.
Provides instructions for upgrading the Cisco IOS image on the router.
Guides on saving backup copies of current configuration and system image files.
Describes how to check DRAM requirements for a new system image upgrade.
Details how to check flash memory requirements and free up space.
Provides methods for copying the system image into the compact flash memory card.
Explains using TFTP or RCP for system image upgrades.
Guides on downloading a Cisco IOS software image using the tftpdnld command.
Describes loading the new system image from Cisco IOS software or ROM Monitor mode.
Provides steps for loading the new system image using the Cisco IOS CLI.
Details loading the new system image from ROM Monitor mode.
Guides on establishing a configuration session with the wireless device via CLI.
Outlines the process for upgrading the access point software to Cisco Unified mode.
Covers configuration of various wireless settings.
Guides on configuring radio parameters for transmitting signals.
Details various wireless security settings.
Explains authentication types tied to SSIDs for access point configuration.
Guides on enabling the wireless device radios, which are disabled by default.
Sets the wireless device's radio network role and fallback role.
Allows configuring access points for fallback if non-root bridge link fails.
Covers choosing data rates for wireless device data transmission.
Details configuring Modulation Coding Scheme (MCS) parameters.
Guides on setting radio transmit power based on radio type and regulatory domain.
Guides on configuring default channel settings and selecting least-congested channels.
Covers configuring 802.11d world mode, legacy world mode, or world mode roaming.
Guides on improving VoIP packet handling quality per radio.
Covers security measures for the wireless device.
Guides on assigning IP addresses and descriptions to Ethernet interfaces.
