Cisco Router 860, 880 Series User Manual
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CH A P T E R 1-1 Book Title OL-xxxxx-xx 1 Product Overview This chapter provides an overview of the features available for the Cisco 860 and Cisco 880 series Integrated Services Routers (ISRs), and contains the following sections: General Description, page 1-1 Cisco 860 Series ISRs, page 1-1 Cisco 880 Series ISRs, page 1-2 Licensing, page 1-4 General Description The Cisco 860 and Cisco 880 series ISRs provide Internet, VPN, voice, data, and backup capability to corporate teleworkers and remote and small offices of fewer than twenty users. These routers are capable of bridging and multiprotocol routing between LAN and WAN ports, and provide advanced features such as antivirus protection. In addition, the Cisco 860W and Cisco 880W series ISRs incorporate an 802.11n wireless LAN option that allows the ISR to act as a wireless access point. Cisco 860 Series ISRs The Cisco 860 series ISRs are fixed-configuration data routers, with the router providing a single WAN connection. Cisco 861 and Cisco 861W: Fast Ethernet (FE) WAN connection The following features are supported: 4-port 10/100 FE LAN Switch, page 1-1 Security Features, page 1-2 802.11n Wireless LAN Option, page 1-2 4-port 10/100 FE LAN Switch This switch provides four ports of 10/100BASE-T (10/100 Mbps) Fast Ethernet (FE) connection for LANs or access points.
1-2 Book Title OL-xxxxx-xx Chapter 1 Product Overview Cisco 880 Series ISRs Security Features The Cisco 860 platforms provide the following security features: IPSec Firewall 802.11n Wireless LAN Option The Cisco 861W ISR has an integrated 802.11n module for wireless LAN connectivity. The router can then act as an access point in the local infrastructure. Cisco 880 Series ISRs The Cisco 880 series ISRs are a family of fixed-configuration data and voice routers as described in the following sections: Models of the Cisco 880 Series ISRs, page 1-2 Common Features, page 1-3 Voice Features, page 1-4 Models of the Cisco 880 Series ISRs The family is divided into groups that provide different WAN connections: Cisco 881 group: FE WAN connection Cisco 888 group: G.SHDSL 2-wire or 4-wire WAN connection Each group contains three models Cisco 880: a basic data router Cisco 880G: a data router with cellular data backup Cisco C880SRST: a telecommuter voice router with survivable remote site telephony (SRST) capability Each router has one WAN port. In addition, the voice routers have either FXS or BRI voice ports. Data or voice backup ports are also available on most of the routers. The Cisco 880G routers come with a commercial third-generation (3G) wireless interface card that provides cellular backup.
1-3 Book Title OL-xxxxx-xx Chapter 1 Product Overview Cisco 880 Series ISRs Ta b l e 1-1 gives the port configurations of the Cisco 880 series data routers. Ta b l e 1-2 gives the port configurations of the Cisco 880 series voice routers. Common Features Cisco 880 series ISRs support the following features: 4-port 10/100 FE LAN Switch, page 1-3 802.11n Wireless LAN Option, page 1-3 Real Time Clock, page 1-4 Security Features, page 1-4 4-port 10/100 FE LAN Switch This switch provides four ports of 10/100BASE-T FE connection for LANs, access points, or IP phones. In addition, an upgrade is available that gives Power over Ethernet (PoE) on two of the ports to provide power to access points or phones. 802.11n Wireless LAN Option The Cisco 880W series ISRs have an integrated 802.11n module for wireless LAN connectivity. The router can then act as an access point in the local infrastructure. Ta b l e 1-1 Port Configurations of the Cisco 880 Series Data ISRs ModelWAN Port Backup Data ISDN Data 3G 881 and 881WFE 881G and 881GWFEx 888 and 888WG.SHDSLx 888G and 888GWG.SHDSLx Ta b l e 1-2 Port Configurations of the Cisco 880 Series Voice ISRs ModelWAN Port FXS Voice Ports Backup PSTN FXO PSTN BRI C881SRST and C881SRSTWFE4x C888SRST and C888CRSTWG.SHDSL4x
1-4 Book Title OL-xxxxx-xx Chapter 1 Product Overview Licensing Real Time Clock A real-time clock (RTC) provides date and time when the system is powered on. The RTC is used to verify the validity of the Certification Authority stored on the router. Security Features The Cisco 880 platforms provide the following security features: Intrusion Prevention System (IPS) Dynamic multipoint VPN (DMVPN) IPSec Quality of Service (QoS) Firewall URL filtering Voice Features The Cisco 880 voice platforms (C880SRST and C880SRSTW) support the following voice features: Signaling protocols: Session Initiation Protocol (SIP), Media Gateway Control Protocol (MGCP), and H323 Real-time transfer protocol (RTP), Cisco RTP (cRTP), and secure RTP (SRTP) for these signaling protocols Fax passthrough, Cisco fax relay, T37 fax store-and-forward, and T.38 fax relay (including T.38 gateway-controlled MGCP fax relay) Dual tone multifrequency (DTMF) Relay—OOB and RFC2833 Silence suppression/comfort noise G.711 (a-law and u-law), G.729A, G.729AB, G.729, G.729B, G.726 Support of SRST failover to a Foreign Exchange Office (FXO) or BRI backup port connected to PSTN in case of WAN failure Direct inward dialing (DID) on FXS Licensing Cisco 860 and Cisco 880 ISRs ship with licensed software installed. Software features may be upgraded and the software licenses managed through Cisco Licensing Manager. See the Cisco Software Activation Conceptual Overview on Cisco.com for details. When you order a new router, you specify the software image and feature set that you want. They are installed on your router before you receive it, so you do not need to purchase a software license. The router stores the software license file on the flash memory.
1-5 Book Title OL-xxxxx-xx Chapter 1 Product Overview Licensing Selecting Feature Sets Some feature sets are bundled and offered with a software license that is installed on the hardware platforms. For a list of features available with a software license on the Cisco 860 and Cisco 880 platforms, see the Cisco 860 Data Sheet and the Cisco 880 Data Sheet. See the Cisco Software Activation Conceptual Overview on Cisco.com for details about how to activate and manage the software licenses.
1-6 Book Title OL-xxxxx-xx Chapter 1 Product Overview Licensing
CH A P T E R 2-1 Book Title OL-xxxxx-xx 2 Wireless Device Overview Wireless devices (commonly configured as access points) provide a secure, affordable, and easy-to-use wireless LAN solution that combines mobility and flexibility with the enterprise-class features required by networking professionals. When configured as a access point, the wireless device serves as the connection point between wireless and wired networks or as the center point of a stand-alone wireless network. In large installations, wireless users within radio range of a device can roam throughout a facility while maintaining seamless, uninterrupted access to the network. With a management system based on Cisco IOS software, wireless devices are Wi-Fi certified, 802.11b-compliant, 802.11g-compliant, and pre-802.11n-compliant wireless LAN transceivers. NoteThe 802.11n standard has not been ratified. Therefore, references to 802.11n throughout this document refer to 802.11n Draft 2.0. Management Options The wireless device runs its own version of Cisco IOS software, separate from the version of Cisco IOS software operating on the router. You can configure and monitor the access point using a variety of tools: The Cisco IOS software command-line interface (CLI) Simple Network Management Protocol (SNMP) Web-browser interface http://cisco.com/en/US/docs/wireless/access_point/12.4_10b_JA/configuration/guide/scg12410b-c hap2-gui.html NoteThe wireless device web-browser interface is fully compatible with Microsoft Internet Explorer version 6.0 on Windows 98, 2000, and XP platforms, and with Netscape version 7.0 on Windows 98, 2000, XP, and Solaris platforms. NoteAvoid using both the CLI and the web-browser interfaces to configure the wireless device. If you configure the wireless device using the CLI, the web-browser interface might display an inaccurate interpretation of the configuration. However, the inaccuracy does not necessarily mean that the wireless device is misconfigured.
2-2 Book Title OL-xxxxx-xx Chapter 2 Wireless Device Overview Management Options .Use the interface dot11radio global configuration CLI command to place the wireless device into the radio configuration mode. Network Configuration Examples Set up the access point role in any of these common wireless network configurations. The access point default configuration is as a root unit connected to a wired LAN or as the central unit in an all-wireless network. NoteAccess points can also be configured as bridges and workgroup bridges, however this wireless device is not typically setup as a bridge. These roles require specific configurations, as defined in the following examples. Root Access Point, page 2 Central Unit in an All-Wireless Network, page 3 Root Access Point An access point connected directly to a wired LAN provides a connection point for wireless users. If more than one access point is connected to the LAN, users can roam from one area of a facility to another without losing their connections to the network. As users move out of range of one access point, they automatically connect to the network (associate) through another access point. The roaming process is seamless and transparent to the user. Figure 2-1 shows access points acting as root units on a wired LAN. Figure 2-1 Access Points as Root Units on a Wired LAN Access point Access point 135445