Cisco EtherSwitch Service Module - 48 ports
Contents
1. Cisco 3845 and 3745 routers have dual internal power supply options that can be used to provide redundancy for the internal power supply of the routers and for in the PoE provided by the EtherSwitch service modules Cisco StackWise Technology Support The new NME XD 24 1S P Cisco EtherSwitch service module provides two Cisco StackWise connectors for interconnection with Cisco Catalyst 3750 and 3750 E Series switches The Cisco StackWise architecture Table 4 is a stacking architecture that is optimized for Gigabit Ethernet and designed to respond to stack additions and deletions as well as redeployment while maintaining constant performance Cisco StackWise technology unites individual Cisco Catalyst 3750 Series switches with the NME XD 24 1S P module into a single logical unit using special stack interconnect cables and stacking software The stack behaves as a single switching unit that is managed by a master switch elected from one of the member switches The master switch automatically creates and updates all of the switching and optional routing tables A working stack can accept new members or delete old ones without service interruption Integrating Cisco StackWise technology into a Cisco integrated services router allows network managers to manage an entire stack of switches from the router CLI or with Cisco Network Assistant software lowering operational costs by streamlining the checking of software versions loading of global2. modules such as the 24 port NME X and 48 port NME XD switch modules Table 10 Independent The Cisco EtherSwitch service module runs its own Cisco IOS Software image and can be Software Image upgraded independent of the host router s Cisco IOS Software release The Cisco EtherSwitch service module uses the same software images as the Cisco Catalyst 3750 Series helping to ensure software feature parity and compatibility All contents are Copyright 1992 2007 Cisco Systems Inc All rights reserved This document is Cisco Public Information Page 2 of 10 Data Sheet a Feature Benefit High Performance The Cisco Express Forwarding hardware routing architecture delivers extremely high IP Routing on performance IP routing the EtherSwitch Basic IP unicast routing protocols static Routing Information Protocol Version 1 RIPv1 and Service Module RIPv2 are supported for small network routing applications Pv6 routing support in hardware allows for maximum performance in the future IPv6 routing support requires Advanced IP Services Software Inter VLAN IP routing enables full Layer 3 routing between two or more VLANs e Advanced IP unicast routing protocols Open Shortest Path First OSPF Interior Gateway Routing Protocol IGRP Enhanced IGRP EIGRP and Border Gateway Protocol Version 4 BGPv4 are supported for load balancing and constructing scalable LANs requires IP Services Sof
3. of services programs to accelerate customer success These innovative services programs are delivered through a unique combination of people processes tools and partners resulting in high levels of customer satisfaction Cisco services help you to protect your network investment optimize network operations and prepare your network for new applications to extend network intelligence and the power of your business For more information about Cisco Services see Cisco Technical Support Services or Cisco Advanced Services For More Information This document describes information about Cisco EtherSwitch service modules only For more information about Cisco EtherSwitch service modules contact your local account representative For information about the Cisco EtherSwitch network modules a data sheet is available at http www cisco com en US prod collateral routers ps259 product_data_sheet09186a00801aca3e html For information about the Cisco 3750 Catalyst Switches a data sheet is available at http www cisco com en US products hw switches ps5023 products data sheets list html Ailloher tadomarks montionod in se documen oF Yrossite are lu prosorey af tolr Tespa owns 2 Use o tho word panner aces no Tpi Serine chip relations 9 Sowwmen Cised and any chor cempary amp Printed in USA C78 423344 00 8 07 All contents are Copyright 1992 2007 Cisco Systems Inc All rights reserved This document is Cisco Public Informati
4. per chassis is supported if NUE XD 24ES 1S P is used otherwise up to two Cisco EtherSwitch service modules are supported per chassis where network module slot density allows Additional PoE and switch ports can be added to the router with the Cisco EtherSwitch HWICs and network modules but the EtherSwitch HWICs cannot be stacked with the EtherSwitch service modules 7 You cannot only utilize a maximum of two Cisco EtherSwitch service modules per chassis Four NME 16ES 1G P or NME XD 23 1G P modules cannot be used in a Cisco 3845 or 3745 series router To maximize switch port density two 48 port Cisco EtherSwitch service modules should be used on the Cisco 3845 series router All contents are Copyright 1992 2007 Cisco Systems Inc All rights reserved This document is Cisco Public Information Page 9 of 10 Data Sheet a Part Number Product Name and Description CAB STACK 1M Cisco StackWise 1m Stacking Cable CAB STACK 50CM NH Cisco StackWise 50 cm non halogen lead free stacking cable CAB STACK 1M NH Cisco StackWise 1m non halogen lead free stacking cable CAB STACK 3M NH Cisco StackWise 3m non halogen lead free stacking cable GLC GE 100FX 100FX SFP on GE SFP ports GLC GE T 1000BASE T SFP GLC LH SM Gigabit Ethernet SFP LC connector LX LH transceiver GLC SX MM Gigabit Ethernet SFP LC connector SX transceiver GLC ZX SM 1000BASE ZX SFP Service and Support Cisco offers a wide range
5. that of the client IEEE 802 1x with an access control list ACL assignment allows for specific identity based security policies regardless of where the user is connected The modules support IEEE 802 1x authentication with MAC authentication bypass The modules support Network Admission Control Layer 2 IEEE 802 1x validation The modules support multidomain authentication Wire Speed ACLs Port based ACLs allow security policies to be applied on individual switch ports e IP ACLs can be processed directly on the Cisco EtherSwitch service module for inter VLAN traffic or traffic outbound from any VLAN interface without affecting the router CPU Dynamic Host Prevents rogue devices from behaving as the DHCP server Control Protocol DHCP Snooping Dynamic Address e Maintains a binding table containing IP and MAC address associations that have been Resolution dynamically populated using DHCP snooping Protocol e Hel i i i i j N ps to ensure the integrity of user and default gateway information such that traffic cannot ARP Inspection be captured DAI IP Source Guard Automatically configures a port ACL for the IP address and adds the MAC address to the port security list for the port DHCP snooping allows learning and binding of IP address and MAC address by the switch Removes ACL and MAC entry when lease expires e Prevents snooping of data or anonymous launching of attacks Port Security Limits the num
6. 0 000 1 24 e 10 100 e 10 100 1 23 000 0 e SFP 0 e SFP 1 e 10 100 48 e 10 100 1000 0 e SFP 2 Cisco StackWise Connectors No No No No Yes No Powered switch ports 16 24 24 48 Cisco pre standard PoE support No Yes No Yes Yes Yes IEEE 802 3af PoE support No Yes No Yes Yes Yes Cisco Emergency Responder Yes Cisco IOS Software Minimum Cisco IOS Software release for Cisco EtherSwitch service module 12 2 25 SEC 12 2 25 EZ 12 2 25 SEC 12 2 25 EZ Default Cisco EtherSwitch service module feature set IP Base Minimum Cisco IOS Software Release for the host router 12 4 3 12 4 4 T 12 3 14 T 12 4 1 12 4 3 12 4 4 T 12 3 14 T 12 4 1 1 When installed in Cisco 3700 Series routers the modules can only provide Cisco pre standard PoE The Cisco EtherSwitch service modules do not support any PoE when installed in the Cisco 2691 router All contents are Copyright 1992 2007 Cisco Systems Inc All rights reserved This document is Cisco Public Information Page 6 of 10 Data Sheet a Module NME 16ES NME 16ES NME X NME X NME XD NME XD 1G 1G P 23ES 1G 23ES 1G P 24ES 1S P 48ES 2S P Minimum IP Base Cisco IOS Software feature set Physical and Environmental Specifications Network NME NME X NME XD modu
7. Afiafi CISCO Data Sheet Cisco Etherswitch Service Modules for Cisco 2600 2800 3700 and 3800 Series Routers Cisco EtherSwitch network and interface card modules are innovative solutions that can reduce total cost of ownership for customers by optionally integrating switch ports within a router This integration allows network administrators to manage a single device utilizing the router command line interface CLI for LAN and WAN management needs This approach reduces network complexity IT staff training needs equipment sparing requirements and maintenance costs Product Overview The new Cisco EtherSwitch service modules pictured in Figure 1 greatly expand the capabilities of integrated switching within Cisco routers by providing support for new features such as IEEE 802 3af Power over Ethernet PoE local Layer 3 switching Cisco Network Assistant and Cisco Emergency Responder and Cisco StackWise interfaces available on NME XD 24 1S P only as well as common software and features with Cisco Catalyst 3750 and 3750 E Series Switches Additionally the new Cisco EtherSwitch service modules are the first modules that can take full advantage of the increased performance capabilities and new form factors of the enhanced network module slot on Cisco integrated services routers Table 7 provides a list of supported platforms Figure 1 Cisco EtherSwitch Service Modules with IEEE 802 3af Support Secure Network Connectivit
8. Cisco 2821 a NME X 24ES 1GE Cisco EthernetSwitch service module provides Up to 48 ports of 10 100 switching IEEE 802 3af PoE Inter VLAN routing Layer 3 QoS and security through DSCP support and ACLs VLAN 15 Office Server Farm Features and Benefits Architecture Feature and Benefits The new Cisco EtherSwitch service modules help ensure maximum availability high performance ease of upgrade and expandability The modules have their own processors switching engines and Flash memory that run independent of the host router resources helping to ensure maximum concurrent switching and routing performance as well as providing integrated PoE security and increased ease of management Additionally Cisco EtherSwitch service modules run their own Cisco IOS Software independent of the router s Cisco IOS Software image allowing for easy upgrades and ongoing software and feature commonality with Cisco Catalyst 3750 and 3750 E Series Switches Table 1 lists some of the features and benefits of this advanced architecture Table 1 Cisco EtherSwitch Service Module Architecture Features and Benefits Feature Benefit Increased Switch e The new Cisco EtherSwitch service modules are the first enhanced network modules NMEs Port Density to take advantage of the NME X and NME XD form factors the NME allows for up to a 1 Gb backplane connection to the host router The new NME X and NME XD form factors allow for new higher density switch
9. It allows users to easily interact with device components for at a glance port status and easy device configuration and monitoring All contents are Copyright 1992 2007 Cisco Systems Inc All rights reserved This document is Cisco Public Information Page 5 of 10 Summary Conclusion Data Sheet oT As companies strive to lower the costs of running their networks and to increase the productivity of their end users with network applications more intelligent branch office solutions are required Cisco EtherSwitch service modules enable a higher level of security and provide PoE for IP Communications easy expandability and simplified management at the branch office level By minimizing OpEx without sacrificing any advanced switching features Cisco EtherSwitch service modules can help you maximize your return on investment ROI for your network infrastructure and accelerate the deployment of productivity enhancing services to enterprise branch offices and small to midsized businesses Product Specifications Table 6 Product Specifications Module NME 16ES 1G NME 16ES 1G P NME X 23ES 1G NME X 23ES 1G P NME XD 24ES 1S P NME XD 48ES 2S P Product Architecture Ports e 10 100 16 e 10 100 10 00 1 Small Form Factor Pluggable SFP 0 e 10 100 16 e 10 100 1 000 1 e SFP 0 e 10 100 23 e 10 100 1 000 1 e SFP 0 e 10 100 1 e 10 10
10. agement Features and Benefits Feature Benefit Single CLI for e Reduces management challenges and eases troubleshooting in the event of network downtime LAN and WAN significantly reducing operational expenditures OpEx and increasing network uptime The Cisco EtherSwitch service module s CLI is accessed using the router CLI When the NME XD 24 1S P is used a stack of Cisco Catalyst 3750 Series Switches can be managed from the router CLI Cisco Network Assistant Software e Cisco Network Assistant provides an easy to use GUI based management interface e Cisco Unified Communications wizards need just a few user inputs to automatically configure the switch module to optimally manage different types of traffic including voice video multicast and high priority data A security wizard is provided to restrict unauthorized access to applications servers and networks e Can be used to manage interconnected Cisco Catalyst switches Cisco Smartports Simple macros help enable advanced QoS features with one command instead of multiple commands in the configuration file Cisco CNS Configuration Engine Supports the activation of customer premises equipment CPE based network services through centralized template based configuration management CiscoWorks CiscoView Available from CiscoWorks LAN Management Solution LMS CiscoView provides a graphical front panel interface for managing Cisco devices
11. ber of MAC addresses that are able to connect to a switch and helps ensure that only approved MAC addresses are able to access the switch Limits MAC flooding attacks locks down ports and sends a Simple Network Management Protocol SNMP trap Simplified e The user selectable address learning mode simplifies configuration and enhances security Management e Cisco Network Assistant Software security wizards ease the deployment of security features for restricting user access to a server as well as to a portion or all of the network All contents are Copyright 1992 2007 Cisco Systems Inc All rights reserved This document is Cisco Public Information Page 3 of 10 Data Sheet oT Advanced PoE Support The new Cisco EtherSwitch service modules NME 16ES 1G P NME X 23ES 1G P NME XD 24ES 1S P and NME XD 48ES 2S P only are capable of providing both Cisco pre standard and IEEE 802 3af Power over Ethernet PoE support when inserted in Cisco 2800 Series or 3800 Series Integrated Services Routers requires an upgrade to an AC IP power supply 802 3af is the IEEE standard for delivering power to Ethernet ports The new Cisco EtherSwitch service modules offer many benefits in regards to PoE support Table 3 and can be used to power devices such as access points IP phones and other powered devices Cisco EtherSwitch service modules are the first network modules offered by Cisco that are capable of supporting 802 3af compliant d
12. com en US products hw routers ps259 index html http www cisco com en US products hw routers ps282 index html http www cisco com en US products ps5854 index html http www cisco com en US prod collateral routers ps5855 product_data_sheet0900aecd8 016a8e8 html Ordering Information Table 11 provides ordering information for Cisco EtherSwitch service modules To place an order visit the Cisco Ordering Home Page Table 11 Ordering Information Part Number Product Name and Description NME 16ES 1G One 16 port 10 100 Cisco EtherSwitch service module 1 10 100 1000 port and IP Base NME 16ES 1G P One 16 port 10 100 Cisco EtherSwitch service module w 802 3af 1 10 100 1000 port and IP Base NME X 23ES 1G One 23 port 10 100 Cisco EtherSwitch service module 1 10 100 1000 port and IP Base NME X 23ES 1G P One 23 port 10 100 Cisco EtherSwitch service module w 802 3af 1 10 100 1000 port w 802 3af and IP Base NME XD 24ES 1S P One 24 port 10 100 Cisco EtherSwitch service module w 802 3af 1 SFP Cisco StackWise connectors and IP Base NME XD 48ES 2S P One 48 port 10 100 Cisco EtherSwitch service module w 802 3af 2 SFPs and IP Base CD 3750 EMl EMI upgrade for Cisco Catalyst 3750 Series Fast Ethernet models and Cisco EtherSwitch service modules CAB STACK 3M Cisco StackWise 3m Stacking Cable CAB STACK 50CM Cisco StackWise 50 cm Stacking Cable 5 Only one Cisco EtherSwitch service module
13. configuration parameters and simplifying deployment of additional ports For rapidly growing businesses Cisco StackWise technology allows customers to pay for only what they need and to easily add new switches to the stack as additional ports are needed All contents are Copyright 1992 2007 Cisco Systems Inc All rights reserved This document is Cisco Public Information Page 4 of 10 Data Sheet oT Table 4 Cisco StackWise Technology Features and Benefits Feature Benefit Ease of Use and Deployment e The NME XD 24 1S P Cisco EtherSwitch service module can serve as a stack member or stack master in a stack with up to eight Cisco Catalyst 3750 Series Switches When acting as a stack master the NME XD 24 1S P can manage the entire stack from the router CLI A working stack is self managing and self configuring When switches are added or removed the master switch automatically loads the Cisco IOS Software version running on the stack to the new switch loads the global configuration parameters and updates all of the routing tables to reflect changes Upgrades are applied universally and simultaneously to all members of the stack High Performance Stack Interconnect e Cisco StackWise stacking creates a 32 Gbps switch interconnection Stacking does not require user ports Superior Redundancy for Fault Backup e 1 N master redundancy allows each stack member to serve as a master providing the high
14. es only NME 16ES 1G P 2691 only 2811 2821 and 2851 Yes Yes only NME X 23ES 1G No 2821 and 2851 only No Yes NME X 23ES 1G P No 2821 and 2851 only No Yes NME XD 24ES 1S P No 2851 only No Yes NME XD 48ES 2S P No 2851 only No Yes Table 8 PoE Support by Platform Cisco EtherSwitch Cisco 2600 Cisco 2800 Series Cisco 3700 Cisco 3800 Series Service Module Series Series NME 16ES 1G NME 16ES 1G does not support PoE NME 16ES 1G P No PoE Cisco pre standard and Cisco pre 4 Cisco pre standard 4 available 802 3af PoE support standard PoE and 802 3af PoE only support NME X 23ES 1G NME X 23ES 1G does not support PoE NME X 23ES 1G P Not supported Cisco pre standard and Not supported Cisco pre standard 4 802 3af PoE support and 802 3af PoE support NME XD 24ES 1S P Not supported Cisco pre standard and Not supported Cisco pre standard 4 802 3af PoE support and 802 3af PoE support NME XD 48ES 2S P Not supported Cisco pre standard and Not supported Cisco pre standard 802 3af PoE support and 802 3af PoE support Table 9 Maximum PoE Delivery by Platform with Cisco EtherSwitch Service Module Router Maximum PoE Delivery Cisco 2691 No PoE available Cisco 3725 360W Cisco 3745 360W Cisco 2811 160W Cisco 2821 240W Cisco 2851 360W Cisco 3825 360W Cisco 3845 360W NME 16ES 1G P is supported on the Cisco 2691 but no PoE suppor
15. est reliability for forwarding Cisco CrossStack UplinkFast CSUF technology provides increased redundancy and network resiliency through fast spanning tree convergence less than two seconds across a switch stack with Cisco StackWise technology e Cisco CrossStack EtherChannel provides the ability to configure Cisco EtherChannel technology across different members of the stack for high resiliency Inter VLAN IP routing provides for full Layer 3 routing between two or more VLANs Ease of Management Cisco EtherSwitch service modules are highly manageable devices that offer many ease of management advantages Table 5 For instance the service modules can be managed via the host router CLI providing one point of management for the LAN and WAN portions of the network Since the Cisco EtherSwitch service modules run the same software image as the Cisco Catalyst 3750 Series the CLI commands are identical to those used on the Cisco Catalyst 3750 Series This greatly simplifies management of the Cisco EtherSwitch service modules resulting in lower training costs and a reduction in the chance of configuration errors Additionally the Cisco EtherSwitch service modules can be managed using one of Cisco s advanced GUI software suites such as the EtherSwitch s embedded device manager or CiscoView contained in CiscoWorks LMS These easy to use Web based management interfaces can be accessed through a standard Web browser Table 5 Man
16. evices The type of PoE that is delivered to the Ethernet ports differs by platform Table 3 details PoE Cisco pre standard and 802 3af support on a platform and module combination basis Table 3 PoE Features and Benefits Feature Benefit PoE Support When used in a host router platform that is capable of providing 802 3af support such as Compliant with the Cisco 2800 Series or 3800 Series requires AC IP power supply the PoE capable IEEE 802 3af Cisco EtherSwitch service module can provide PoE to ports in compliance with the IEEE 802 3af specification not available on Cisco 2691 or 3700 Series routers Provides up to 15W of power per port total PoE delivery capability varies by the router host Table 9 Can be used to power any IEEE 802 3af compliant devices such as IP phones access points card readers and Web cameras Cisco Pre standard Can support Cisco devices based on Cisco s pre standard implementation of PoE PoE Support NME 16ES 1G P can be used with routers that are not capable of supporting IEEE 802 3af such as Cisco 3700 Series routers to provide Cisco pre standard PoE not available on Cisco 2691 routers Superior Redundancy The Cisco RPS 2300 Redundant Power Supply can provide redundancy for the internal for Fault Backup power supply on the Cisco 2800 Series or 3800 Series routers for the PoE provided by the EtherSwitch service modules and for up to six other Cisco networking devices e
17. le form factor Dimensions 1 6 x 7 1 x 7 4 in 40 4 x 180 3 1 59 x 8 05 x 7 4 in 40 4 x 1 59 x 15 87 x 6 3 in 40 4 x H x W x D x 188 0 mm 204 5 x 188 0 mm 403 1 x 160 2 mm Weight 1 5 Ibs 0 68 kg 1 7 lbs 0 77kg 2 8 Ibs 1 27 3 0 Ibs kg 1 36 kg Operating 5 to 95 noncondensing humidity Operating 32 to 104F 0 to 40T temperature Nonoperating 40 to 158F 40 to 70T temperature Network Management CiscoWorks Yes CiscoView contained in CiscoWorks LMS Cisco Router e Yes with Cisco SDM 2 2 or greater oo e Manages router and provides launch point for Cisco EtherSwitch embedded device manager Manager SDM Cisco Yes with Cisco Network Assistant 2 1 or later Network Assistant EtherSwitch Yes embedded device manager Smartports Yes Standards IEEE 802 1s Yes IEEE 802 1w Yes IEEE 802 1x Yes IEEE 802 3ad Yes IEEE 802 3x Yes full duplex on 10BASE T 100BASE TX and 1000BASE T ports IEEE 802 1D Yes Spanning Tree Protocol IEEE 802 3af Yes IEEE 802 3ae Yes All contents are Copyright 1992 2007 Cisco Systems Inc All rights reserved This document is Cisco Public Information Page 7 of 10 Data Sheet a Table 7 Platform Support Cisco EtherSwitch Cisco 2600 Series Cisco 2800 Series Cisco 3700 Cisco 3800 Series Service Module Series NME 16ES 1G 2691 only 2811 2821 and 2851 Yes Y
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19. t is available Requires upgrading the router s internal power supply to an AC IP version Cisco 3725 and 3745 routers only support Cisco pre standard PoE they do not support IEEE802 3af Only one Cisco EtherSwitch service module per chassis is supported if NME XD 24ES 1S P is used otherwise up to two Cisco EtherSwitch service modules are supported per chassis where network module slot density allows 3 NME 16ES 1G P is supported on the Cisco 2691 but no PoE support is available 4 Requires upgrading the router s internal power supply to an AC IP version All contents are Copyright 1992 2007 Cisco Systems Inc All rights reserved This document is Cisco Public Information Page 8 of 10 Data Sheet a Table 10 Maximum Cisco EtherSwitch Service Module Ports per Router Platform Cisco EtherSwitch Service Modules Maximum Cisco EtherSwitch Service Per Router Modules Ports Per Router Cisco 2691 1 16 Cisco 2811 1 16 Cisco 2821 1 24 Cisco 2851 1 48 Cisco 3725 2 32 Cisco 3745 2 32 Cisco 3825 2 72 Cisco 3845 2 96 Regulatory Compliance Safety EMC Telecommunications and Network Homologation When installed in a Cisco 2600 2800 3700 or 3800 series router the Cisco EtherSwitch service module does not change the standards regulatory compliance safety EMC telecom network homologation of the router itself For more information on these routers visit http www cisco
20. tware Secure Networking Because security needs to be embedded throughout the network switches play a critical role in any network defense strategy Cisco EtherSwitch service modules provide a rich set of security features and can be a crucial component of your secure network strategy Table 2 As more devices become IP aware and seek to access the network being able to identify endpoints and provide user authentication on a per port basis becomes critical Cisco EtherSwitch service modules help ensure trust and identity with support of IEEE 802 1x plus enhancements that are specific to Cisco When combined with the advanced security features of Cisco Integrated Services Routers Cisco EtherSwitch service modules help to ensure networkwide security Table 2 Network Security Features and Benefits Provided by Cisco EtherSwitch Service Modules Feature Benefit Extended IEEE EEE 802 1x allows dynamic port based security providing user authentication 802 1x Support e IEEE 802 1x with VLAN assignment allows a dynamic VLAN assignment for a specific user regardless of where the user is connected clients without 802 1x can have limited access using a guest VLAN e IEEE 802 1x with voice VLAN permits an IP phone to access the voice VLAN regardless of the authorized or unauthorized state of the port IEEE 802 1x and port security are provided to authenticate the port and manage network access for all MAC addresses including
21. y for Data Voice and Video When combined with a Cisco integrated services router such as the Cisco 2821 pictured in Figure 2 the new Cisco EtherSwitch service modules can provide a fully integrated secure networking and converged IP Communications solution From a single platform IP phones can be connected to the network and powered using the IEEE 802 3af standard or pre standard Cisco Power over Ethernet PoE With the optional addition of Cisco Communications Manager Express formerly CallManager Express the router can also provide the call processing for these phones Further as users attempt network access through the Cisco EtherSwitch service module the module can use 802 1x to validate the end device s credentials and place the user in the appropriate VLAN As the end user data leaves the LAN the router can encrypt the traffic helping to ensure secure communications between branch offices and central sites This high degree of convergence greatly simplifies network architecture and allows for advanced services to be deployed to the branch level in a cost effective manner All contents are Copyright 1992 2007 Cisco Systems Inc All rights reserved This document is Cisco Public Information Page 1 of 10 Data Sheet Figure 2 Cisco EtherSwitch Service Module with a Cisco 2821 Integrated Services Router Cisco 2821 for secure WAN access to branch offices call processing voicemail farewell IPS and other services
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