C1921-3G-S-K9 Cisco 1921 2 Ports Integrated Services Router Refurbished

Advanced Wireless Features of 2 Port Router

The Cisco 1921 2 Ports Integrated Services Router (C1921-3G-S-K9) is a multi-purpose router that includes advanced wireless features to support a variety of wireless networking needs. Some of the wireless features that may be included are:

• Wireless LAN (WLAN) support: The router is equipped with built-in wireless LAN (WLAN) support, which can be used to connect wireless devices to the network.
• Wireless Access Point (WAP) support: The router can also be configured as a wireless access point (WAP), which allows wireless devices to connect to the network through the router.
• Wireless security: The router includes wireless security features such as Wi-Fi Protected Access (WPA) and WPA2 to protect wireless networks from unauthorized access.
• Advanced wireless roaming: The router may include advanced wireless roaming features such as Cisco FlexConnect, which allows wireless clients to roam seamlessly between access points without interruption.
• Wireless Quality of Service (QoS): The router may include wireless Quality of Service (QoS) features to prioritize different types of wireless traffic, such as voice and video, to ensure that these types of traffic are given priority over less time-sensitive traffic.
• Wireless Network Management: The router may include wireless network management features such as Cisco Wireless Control System (WCS) which provides a centralized management platform for wireless networks.

It's important to note that the specific features and capabilities of the wireless features will depend on the specific software version and memory capacity installed on the router as well as the modules that are installed on the router.

High Availability and Redundancy

The Cisco 1921 2 Ports Integrated Services Router (C1921-3G-S-K9) is designed to provide high availability and redundancy features to ensure that the network remains available even in the event of a failure. Some of the high availability and redundancy features that may be included are:

• Hot Standby Router Protocol (HSRP): This protocol allows for the configuration of a standby router that takes over in the event of a failure of the primary router.
• Virtual Router Redundancy Protocol (VRRP): This protocol allows for the configuration of multiple virtual routers, each with a different priority, to ensure that a backup router is available in the event of a failure of the primary router.
• Link Aggregation: This feature allows for the configuration of multiple physical links as a single logical link, providing redundancy in the event of a link failure.
• 3G/4G Backup: The router is equipped with a slot for a 3G/4G module, which can be used as a backup for the primary WAN connection, providing an extra layer of reliability for the network.
• Dual-ISP: This feature allows for the configuration of multiple ISPs connections, providing redundancy in the event of a failure of one of the ISPs.

It's important to note that the specific features and capabilities of the high availability and redundancy features will depend on the specific software version and memory capacity installed on the router as well as the modules that are installed on the router. It's recommended to consult with Cisco documentation, or a Cisco certified professional, to ensure the best configuration and performance for the specific needs of the network.

Configuring Wireless Connectivity

The Cisco 1921 2 Ports Integrated Services Router (C1921-3G-S-K9) is designed to provide wireless connectivity for devices on the network. The specific steps and commands to configure wireless connectivity on the router will depend on the specific software version and memory capacity installed on the router as well as the modules that are installed on the router. However, some general steps that can be followed to configure wireless connectivity on the router are:

• Connect to the router's command-line interface (CLI) using a terminal emulator such as PuTTY, and log in with an appropriate username and password.
• Configure the wireless interface on the router by entering the appropriate commands. For example, the command "interface dot11Radio 0" can be used to configure the wireless interface on the router.
• Configure the wireless network by entering the appropriate commands. For example, the command "ssid [network-name]" can be used to configure the wireless network's SSID.
• Configure the wireless security by entering the appropriate commands. For example, the command "authentication open eap eap_methods [eap-method]" can be used to configure the wireless security on the router.
• Configure the wireless Quality of Service (QoS) by entering the appropriate commands. For example, the command "mls qos trust dscp" can be used to configure the wireless QoS on the router.
• Verify the wireless configuration by entering the appropriate commands. For example, the command "show running-config" can be used to verify the wireless configuration on the router.

It's important to note that the specific steps and commands to configure wireless connectivity on the router may vary depending on the specific software version and memory capacity installed on the router as well as the modules that are installed on the router. It's recommended to consult with Cisco documentation, or a Cisco certified professional, to ensure the best configuration and performance for the specific needs of the network.

Specifications

• Manufacturer Cisco Systems, Inc
• MPN: C1921-3G-S-K9
• Product Series 1900
• Product Model 1921
• Product Name 1921 Integrated Services Router
• Product Type Router
• SKU: C1921-3G-S-K9

Interfaces/Ports

• Total Number of Ports 2
• USB Yes
• Management Port Yes
• Number of Broadband (RJ-45) Ports 2

I/O Expansions

• Number of Total Expansion Slots 2
• Expansion Slot Type HWIC

Network & Communication

• Network Technology 10/100/1000Base-T
• Ethernet Technology Gigabit Ethernet
• VoIP Supported No

Management & Protocols

• Security Features-
• IPSec
• SSL
• AAA
• PKI
• Content Filtering
• L2TP v3
• GRE

Memory

• Standard Memory 512 MB
• Maximum Memory 512 MB
• Memory Technology DRAM
• Flash Memory 256 MB

Power Description

• PoE (RJ-45) Port Yes
• Input Voltage 110 V AC
• Input Voltage 220 V AC
• Power Source Power Supply