Monday, September 27, 2010
Saturday, September 25, 2010
wireless surety settings
The wireless surety settings configure the safeguard of your wireless meshwork(s). The Router supports the succeeding wireless security options: WPA/WPA2 Mixed Way (nonpayment), WPA2 Personal, WPA Ain, WEP, and RADIUS. (WPA stands for Wi-Fi Invulnerable Gain. WEP stands for Wired Equivalent Privateness. Support stands for Far Hallmark Dial-In Someone Activity.) The failure option is WPA/WPA2 Mixed Property, which allows your devices to infix using the strongest warrant choice they keep, WPA2 or WPA.
Wednesday, September 22, 2010
Cisco Storage Media Encryption
SME constituent and software are full interracial with the Cisco MDS 9000 Fellowship. Cryptography is performed as a straight Cloth Point cloth author, which greatly simplifies deployment and management of irritable data on SAN intended storage devices. Different capitalistic offerings, Cisco SME requires no downtime to deploy. Cisco SME is shapely on Agent Entropy Processing Standards (FIPS) system structure and offers certified, large key direction, with link for offline media effort
Features and Benefits
Cisco SME provides a allover, mixed bleach for encryption of assemblage at intermit on diversified recording drives and VTLs. Hardware in any virtual SAN (VSAN) can make untasted use of Cisco SME, providing prodigious malleability for provisioning this transparent structure aid. Cisco SME requires no SAN reconfiguration or rewiring, eliminating downtime for deployment.
SME employs clustering engineering to enhance reliability and availability, enable automatic onus leveling and failover capabilities, and simplify provisioning. To simplify management, this encryption accommodation is provisioned as a concentrated, analytical SAN fabric article rather than as individual switches or modules.
Fortify lifecycle key management is included, with substantial features much as key archival, shredding, automated key replication crosswise aggregation centers, high-availability deployments and goods and goods for single- and multiple-site environments. Cisco SME provisioning and key direction are both organic into Cisco Artifact Handler; no further software is required for management.
Cisco MDS 9000 Intelligent Fabric Applications
The Whitefish MDS 9000 XRC Speed Assemblage accelerates propulsive updates from primary to inessential direct-access storage devices (DASD) by city upbound of the unlikely copy IBM System z, known as the Group Data Mastermind (SDM). This data is buffered in the Cisco MDS 9000 18/4-Port Multiservice Module (MSM) connexion roster or Whitefish MDS 9222i Multi service Modular Control that is localised to the SDM, reaction or eliminating the latency personalty that can otherwise diminish action at distances of 200 km or greater. This activity is sometimes referred to as XRC emulation or XRC extension.
Tuesday, September 21, 2010
Tips for improving your wireless network
2. Run the router off the story and gone from walls and metal objects (much as conductor record cabinets)
Mixture, walls, and floors will interact with your router's wireless signals. The reliever your router is to these obstructions, the many severe the trouble, and the weaker your form give be.
3. Put your router's sensitiveness
The antennas supplied with your router are designed to be omni-directional, significant they broadcast in all directions around the router. If your router is moral an part stratum, half of the wireless signals testament be dispatched region your domicile, and some of your router's power present be lost. Most routers don't allow you to amount the force output, but you can gain punter use of the index. Upgrade to a hi-gain aerial that focuses the wireless signals only one route. You can aim the signal in the instruction you impoverishment it most.
4. Position your machine's wireless textile device
Wireless mesh signals staleness be dispatched both to and from your computer. Sometimes, your router can broadcast strongly enough to push your machine, but your computer can't channelize signals support to your router. To turn this, set your laptop's PC card-based wireless textile musician with a USB fabric device that uses an foreign antenna. In fact, ponder the Hawking Hi-Gain Wireless USB web device, which adds an extraneous, hi-gain sensitiveness to your computer and can significantly change your chain.
5. Add a wireless criminal
Wireless repeaters pay your wireless scheme capability without requiring you to add any wiring. Fair abode the wireless repeater halfway between your wireless attain sail and your machine, and you'll get an fast elevate to your wireless signal strength. Watch out the wireless repeaters from ViewSonic, D-Link, Linksys, and Metropolis Technology.
6. Locomote your wireless head
Wireless routers can broadcast on individual several channels, corresponding to the way receiver devotion use other channels. In the One States and Canada, these channels are 1,
6, and 11. Fair like you'll sometimes pore trouble on one broadcasting post time added is utterly legible, sometimes one wireless transmission is clearer than others. Try changing your wireless router's passage finished your router's plan diplomatist to see if your signalise capableness improves. You don't necessary to exchange your computer's design, because it'll automatically observe the new canalize.
7. Reduce wireless interference
If you tally cordless phones or different wireless electronics in your location, your computer strength not be competent to "hear" your router over the sound from the opposite wireless devices. To soothe the noise, abstain wireless electronics that use the 2.4GHz oftenness. Instead, visage for cordless phones that use the 5.8GHz or 900MHz frequencies.
8. Update your code or your meshing device wood
Router manufacturers regularly kind clear improvements to their routers. Sometimes, these improvements increase show. To get the last firmware updates for your router, stay your router manufacturer's website.
Similarly, network device vendors occasionally update the software that Windows uses to pass with your network adapter, proverbial as the wood. These updates typically ameliorate execution and reliability. To get the wood updates, do the masses:
Windows 7 and Windows Vista
* Sound Start docket, plosive All Programs, and then plosive Windows Update.
* In the sinistral pane, utter Analyse for updates, and then wait while Windows Vista looks for the fashionable updates for your machine.
* Pose any updates relating to your wireless fabric transcriber.
Windows XP
* Communicate Microsoft Update, occlusive Tariff, and then move time Windows XP looks for the current updates for your computer.
* Pose any updates relating to your wireless transcriber.
9. Criticise equipment from a individual vendor
Time a Linksys router will product with a D-Link meshwork device, you oftentimes get turn action if you yield a router and web device from the identical vendor. Many vendors furnish a execution assistance of up to twice the show when you take their instrumentality: Linksys has the SpeedBooster study, and D-Link has the 108G enhancement.
10. Elevate 802.11b devices to 802.11g
802.11b is the most ordinary identify of wireless scheme, but 802.11g is almost squad present faster. 802.11g is backward-compatible with 802.11b, so you can plant use any 802.11b equipment that you know. If you're using 802.11b and you're lovesick with the performance, speculate exchange your router and mesh adapters with 802.11g-compatible equipment. If you're purchase new equipment, definitely prefer 802.11g.
Wireless networks never limit the speculative bandwidth limits. 802.11b networks typically get 2-5Mbps. 802.11g is unremarkably in the 13-23Mbps constitute. Belkin's Pre-N equipment has been sounded at 37-42Mbps.
Monday, September 20, 2010
Cisco MDS 9100 Series Fabric Switches
HIGHLIGHTS
• Cost-effective, intelligent storage networking-Advanced features in a compact, cost-effective design simplify deployment and administration of small and medium-scale storage-area networks (SANs).
• Scalability and consistent service delivery-Common platform architecture and intelligent services across all Cisco MDS 9000 Family switches ensures scalability and consistent service delivery as your SAN grows.
• Simplified storage management-The Cisco MDS 9100 Series includes built-in storage network management with all features available through a command-line interface (CLI) or Cisco Fabric Manager, a centralized management tool that simplifies management of multiple switches and fabrics.
• Intelligent network services: Introduces Virtual SAN (VSAN) technology for hardware-enforced, isolated environments within a single physical fabric; Access Control Lists (ACLs) for hardware-based intelligent frame processing; and advanced traffic management features such as Fibre Channel Congestion Control (FCC) and fabricwide QoS to enable migration from SAN islands to enterprise-wide storage networks.
• Total cost of ownership (TCO)-driven design-The Cisco MDS 9100 Series offers advanced management tools for overall lowest TCO. VSAN technology for hardware-enforced, isolated environments within a single physical fabric for secure sharing of physical infrastructure further decreases TCO.
• Comprehensive security framework-Supports RADIUS and TACACS+, FC-SP, SFTP, SSH and SNMPv3 implementing Advanced Encryption Standard (AES), VSANs, hardware-enforced zoning, Access Control Lists, and per-VSAN role-based access control.
• Sophisticated diagnostics-This feature provides industry-first intelligent diagnostics, protocol decoding, and network-analysis tools as well as integrated call-home capability for added reliability, faster problem resolution, and reduced service costs.
• Industry-leading port density-Up to forty 2/1-Gbps autosensing Fibre Channel ports are incorporated in a compact design for environments that require maximum port density per rack unit.
• Two options-Twenty- and forty-port configurations (Cisco MDS 9120, MDS 9140), packaged in a one rack unit (1RU) form-factor chassis with dual hot-swappable power supplies and fans, provide the flexibility needed to address a broad range of deployment requirements.
Figure 1. Cisco MDS 9120 20-Port Intelligent Fabric Switch | Figure 2. Cisco MDS 9140 40-Port Intelligent Fabric Switch |
CISCO MDS 9100 SERIES-BUILDING COST-EFFECTIVE INTELLIGENT FABRICS
OPTIMIZED CONNECTIVITY
Advanced Traffic Management for High-Performance, Resilient Fabrics
• Virtual Output Queuing ensures line rate performance on each port, independent of traffic pattern, by eliminating head-of-line blocking
• 255 Buffer-to-Buffer credits are assigned to each port for optimal bandwidth utilization across distance. When extended distances are required, up to 3,500 credits can be allocated to a single port within a group of four Fibre Channel ports.
• PortChannels allow users to aggregate up to 15 physical ISLs into a single logical bundle, providing optimized bandwidth utilization across all links. The bundle can consist of any port from any module in the chassis, ensuring that the bundle remains active even in the event of a module failure.
• Fabric Shortest Path First (FSPF)-based multi pathing provides the intelligence to load balance across up to 15 equal cost paths and, in the event of a switch failure, dynamically reroute traffic.
• Quality of Service (QoS) can be used to manage bandwidth and control latency, in order to prioritize critical traffic.
• Fibre Channel Congestion Control (FCC), an end-to-end feedback-based congestion control mechanism, augments the Fibre Channel's Buffer-to-Buffer credit mechanism to provide enhanced traffic management.
Friday, September 17, 2010
Cisco MDS 9124 Multilayer Fabric Switch
Cisco MDS 9124 24-Port Multilayer Fabric Switch features 24 ports that are capable of speeds of 4, 2, and 1 Gbps. It also offers outstanding value by providing a flexible, highly available, and secure solution that is both affordable and easy to use, all in a compact one rack-unit (1-RU) form factor. The Cisco MDS 9124 supports the same industry-leading MDS 9000 storage area network (SAN) OS software that is supported on the entire Cisco MDS 9000 family of products.
The Cisco MDS 9124 can be deployed with minimal configuration and does not require any special training to operate. The Quick Configuration Wizard simplifies and accelerates the initial fabric activation. The Cisco MDS 9124 offers flexible, on-demand port activation; through software licensing, ports can be activated in 8-port increments. The default base switch has eight active ports.
This new product also provides:
- Exceptional flexibility and scalability
- Intelligent storage networking services at an affordable price
- A highly available platform for mission-critical deployments
- Comprehensive security framework
- Simplified storage management
- Sophisticated diagnostics
- Reduced total cost of ownership (TCO)
Thursday, September 16, 2010
Cisco MDS 9134 Multilayer Fabric Switch
Figure 1. Cisco MDS 9134 Multilayer Fabric Switch
Highlights
• Exceptional flexibility and scalability: The Cisco MDS 9134 offers up to 32 autosensing Fibre Channel ports capable of speeds of 4, 2, and 1 Gbps and 2 10-Gbps ports in a compact 1RU form-factor chassis with 4 Gbps of dedicated bandwidth for each port and an aggregate platform bandwidth of 352 Gbps. The base configuration has 24 active ports with the flexibility to upgrade onsite to 32 ports in 8-port increments with Cisco MDS 9134 On-Demand Port Activation Licenses.
• High-performance connectivity: The 10-Gbps ports can be activated independently in 24- or 32-port configurations. The Cisco MDS 9134 is an ideal platform for a standalone departmental storage area network (SAN) switch, top-of-the-rack switch, and edge switch in enterprise core-edge SANs. Two Cisco MDS 9134 switches can be stacked together using copper CX4 X2 transceivers to form up to a 64-port switch.
• Intelligent storage networking services at an affordable price: The Cisco MDS 9134, powered by Cisco MDS 9000 NX-OS/SAN-OS Software, offers intelligent storage networking capabilities such as virtual SANs (VSANs), PortChannels, quality of service (QoS), and security for cost-effective design, deployment, and management of departmental and enterprise SANs.
• Highly available platform for mission-critical deployments: The Cisco MDS 9134 is designed for environments where downtime is unacceptable. It offers nondisruptive software upgrades, dual hot-swappable power supplies (with integrated fans for redundancy), hot-swappable fans, VSANs for fault isolation, and Port Channels for ISL resiliency.
• Comprehensive security framework: The Cisco MDS 9134 supports RADIUS and TACACS+, port security, fabric binding, Fibre Channel Security Protocol (FC-SP) host-to-switch and switch-to-switch authentication, Secure FTP (SFTP), Secure Shell Version 2 (SSHv2) and Simple Network Management Protocol Version 3 (SNMPv3) implementing Advanced Encryption Standard (AES), VSANs, hardware-enforced zoning, broadcast zones, and per-VSAN role-based access control (RBAC).
• Simplified storage management: The Cisco MDS 9134 includes built-in storage network management, with all features available through a command-line interface (CLI) or the Cisco Fabric Manager, a centralized management tool with task-based wizards that simplify management of a standalone switch or multiple switches and fabrics.
• IBM Fiber Connection (FICON) protocol integration: FICON Control Unit Port (CUP) management and switch cascading facilitate mainframe connectivity. VSANs allow hardware-based separation of Fibre Channel and FICON traffic switched on a single physical SAN, decreasing overall total cost of ownership (TCO) without compromising scalability, availability, manageability, or network security.
• Sophisticated diagnostics: Industry-leading intelligent diagnostics such as Fibre Channel Ping, Fibre Channel Traceroute, Switched Port Analyzer (SPAN), Cisco Fabric Analyzer, and integrated Call Home capability enhance reliability, facilitate faster problem resolution, and reduce service costs.
• Reduced TCO: Common platform architecture and the use of Cisco MDS 9000 NX-OS/SAN-OS Software intelligent storage networking services across all Cisco MDS 9000 family switches reduce ongoing operating expenses by providing a consistent set of provisioning, management, and diagnostic capabilities.
Figure 2. Cisco MDS 9134:Two Cisco MDS 9134 Switches Stacked Using 10GBASE Copper CX4
Wednesday, September 15, 2010
The Cisco MDS 9148 Multilayer Fabric Switch
Highlights
• High-performance with exceptional flexibility: The Cisco MDS 9148 offers up to 48 autosensing Fibre Channel ports capable of speeds of 1/2/4/8 Gbps in a compact 1RU form-factor chassis with 8 Gbps of dedicated bandwidth for each port and an aggregate platform bandwidth of 768 Gbps. The Cisco MDS 9148 comes with three preconfigured models for 16, 32, or 48 ports. The 16- and 32-port models can be upgraded onsite to enable additional ports by adding one or more 8-port Cisco MDS 9148 On-Demand Port Activation licenses.
• Intelligent storage networking services at a cost-effective price: The Cisco MDS 9148, powered by Cisco MDS 9000 NX-OS Software, offers intelligent storage networking capabilities such as virtual SANs (VSANs), link aggregation via PortChannels, quality of service (QoS), and security. These features make it easy to design, deploy, and manage the Cisco MDS 9148 as either a standalone departmental SAN switch or a top-of-the-rack switch or an edge switch in an enterprise core-edge SAN.
• Simplified scalable deployment of virtual machine-aware SANs: In a virtual machine environment in which many host operating systems or applications are running on a physical host, the Cisco MDS 9148 uses N-Port ID Virtualization (NPIV) technology to provide independent management for each virtual machine. Furthermore, the Cisco MDS 9148 provides Cisco N-Port Virtualization (NPV) and fabric-port (F-port) channeling features to enable scaling of SANs without reaching Fibre Channel Domain ID limits. The Cisco FlexAttach feature enables transparent server deployment and movement without SAN reconfiguration.
• High-availability platform for mission-critical deployments: The Cisco MDS 9148 is designed for environments in which downtime is unacceptable. It offers non-disruptive software upgrades, dual redundant hot-swappable power supplies (with integrated fans), dual redundant hot-swappable fan trays, VSANs for fault isolation, PortChannels for Inter-Switch Link (ISL) resiliency, and F-port trunking for resiliency on uplinks from a Cisco MDS 9148 operating in NPV mode.
• Comprehensive security framework: The Cisco MDS 9148 supports as standard Role-Based Access Control (RBAC) using RADIUS or TACACS+ authentication, authorization and accounting (AAA) functions, VSAN fabric isolation, intelligent packet inspection at the port level, Fibre Channel Security Protocol (FC-SP) host-to-switch and switch-to-switch authentication, Secure FTP (SFTP), Secure Shell Version 2 (SSHv2) and Simple Network Management Protocol Version 3 (SNMPv3) implementing Advanced Encryption Standard (AES), control-plane security, Logical Unit Number (LUN) zoning and read-only zones, hardware-enforced zoning, broadcast zones, and management access. Although rarely needed in most switch fabric installations, an extensive set of even more innovative and powerful security features/functions is available with the optional Enterprise Package License.
• Simplified storage management: The Cisco MDS 9148 supports SAN plug-and-play capability as well as built-in storage network management, with all features available through a command-line interface (CLI) or the Cisco Fabric Manager, a centralized management tool with task-based wizards that simplifies management of a standalone switch or multiple switches and fabrics.
• Sophisticated diagnostics: Industry-leading intelligent diagnostics such as Fibre Channel ping, Fibre Channel traceroute, Switched Port Analyzer (SPAN), Cisco Fabric Analyzer, and integrated Call Home capability to enhance reliability, facilitate faster problem resolution, and reduce service costs.
• Reduced total cost of ownership (TCO): Common platform architecture and the use of Cisco MDS 9000 NX-OS Software intelligent storage networking services across all Cisco MDS 9000 Family switches reduce ongoing operating expenses by providing a consistent set of provisioning, management, and diagnostic capabilities
Cisco MDS 9100 Series Multilayer Fabric Switches
The Cisco MDS Fibre Channel Blade Switch, capable of speeds of 4, 2, and 1 Gbps, offers outstanding value by providing flexibility, high-availability, security, and ease-of-use at an affordable price in the form factor to fit IBM BladeCenter (BladeCenter, BladeCenter T, and BladeCenter H) and HP c-Class BladeSystem. With its flexibility to expand ports in increments, the Cisco MDS Fibre Channel Blade Switch offers the densities required from entry level to advanced. Powered by Cisco MDS 9000 SAN-OS Software, it includes advanced storage networking features and functions and is compatible with Cisco MDS 9500 Series Multilayer Directors and Cisco MDS 9200(HWIC-1FE) Series Multilayer Fabric Switches, providing transparent, end-to-end service delivery in core-edge deployments.
Cisco MDS Fibre Channel Blade Switch for IBM BladeCenter
Cisco MDS Fibre Channel Blade Switch for HP C-Class BladeSystem
Overview
• Intelligent storage networking services at an affordable price-The Cisco MDS Fibre Channel Blade Switch, powered by Cisco MDS 9000 SAN-OS Software, offers intelligent storage networking capabilities such as virtual SANs (VSANs), PortChannels, quality of service (QoS), and security for cost-effective design, deployment, and management of departmental and enterprise SANs.
• Highly available platform for mission-critical deployments-The Cisco MDS Fibre Channel Blade Switch is designed for environments where downtime is not an option. It offers nondisruptive software upgrades, VSANs for fault isolation, and PortChannels for Inter-Switch Link (ISL) resiliency.
• Comprehensive security framework-The Cisco MDS Fibre Channel Blade Switch supports RADIUS and TACACS+, port security, fabric binding, Fibre Channel Security Protocol (FC-SP) host-to-switch and switch-to-switch authentication, Secure FTP (SFTP), Secure Shell Version 2 (SSHv2) and Simple Network Management Protocol Version 3 (SNMPv3) implementing Advanced Encryption Standard (AES), VSANs, hardware-enforced zoning, broadcast zones, and per-VSAN role-based access control (RBAC).
• Simplified storage management-The Cisco MDS Fibre Channel Blade Switch includes built-in storage network management, with all features available through a command-line interface (CLI) or Cisco Fabric Manager, a centralized management tool that simplifies management of a standalone switch or multiple switches and fabrics.
• Sophisticated diagnostics-Industry-leading intelligent diagnostics such as Fibre Channel Ping, Fibre Channel Traceroute, Switched Port Analyzer (SPAN), Cisco Fabric Analyzer, and integrated call-home capability enhance reliability, facilitate faster problem resolution, and reduce service costs.
• Reduced total cost of ownership (TCO)-Common platform architecture and the use of Cisco MDS 9000 SAN-OS Software intelligent storage-networking services across all Cisco MDS 9000 family switches reduce ongoing operating expenses by providing a consistent set of provisioning, management, and diagnostic capabilities.
Figure 1. Cisco MDS Fibre Channel Blade Switch for IBM and HP C-class BladeSystem
Cisco Catalyst Switch Module 3012 for IBM BladeCenter
The Cisco Catalyst Switch Module 3012 for the IBM BladeCenter provides IBM customers with an integrated switching solution that dramatically reduces cable complexity by eliminating the need for each serve blade to be networked individually.
Finally, the Cisco Catalyst Switch Module 3012 uses the comprehensive Cisco management framework to simplify ongoing operations. Cisco advanced network services in combination with simplified management help reduce total cost of ownership (TCO).
Deliver Security with Intelligent Services
Available with Cisco IOS Software, and the IP Base image, the Cisco Catalyst Switch Module 3012 offers a complete set of intelligent services to deliver security, QoS, basic IP routing, and high availability in the server farm access environment.
The Cisco Catalyst Switch Module 3012 for the IBM BladeCenter provides the following hardware configuration:
- 16 internal gigabit Ethernet ports connected to servers through IBM BladeCenter backplane
- Up to eight gigabit Ethernet uplinks
- One external console port
Cisco Catalyst Switch Module 3110 for IBM BladeCenter
Introduction
The Cisco Catalyst Switch Module 3110 is built around the innovative virtual blade switch (VBS) technology, which helps the Cisco Catalyst Switch Module 3110 deliver key features:
- Network simplification: Can be managed as a single node, which greatly reduces network complexity and in turn supports network resilience and stability
- Performance and scalability: Delivers 160 Gbps of aggregate bandwidth upstream; because the links are built on Cisco Ether Channel technology(AIM-CUE), they can be deployed in a granular manner and are inherently resilient
- Continuous operations: Includes mechanisms that increase hardware, link, VBS, and Layer 2 and Layer 3 resiliency
- Operational manageability: Delivers a highly manageable solution that reduces the administrative and operational burden on IT staff
- Total cost of ownership reduction: Reduces TCO through virtualization, interface flexibility, and reduced operating costs
Tuesday, September 14, 2010
Cisco Transceiver Modules
Cisco 10GBASE X2 Modules |
Overview
Figure 1. Cisco 10GBASE X2 and Xenpak Modules
• Support 10GBASE Ethernet.
• Hot-swappable input/output device plugs into an Ethernet X2 port of a Cisco switch(ESR-HH-8FE-TX) or router to link the port with the network.
• Provides flexibility of interface choice.
• Supports "pay-as-you-populate" model.
• Supports the Cisco quality identification (ID) feature that enables a Cisco switch or router to identify whether the module is certified and tested by Cisco.
• Has optical interoperability with respective 10GBASE Xenpak, 10GBASE XFP and 10GBASE SFP+ modules on the same link.
Thursday, September 9, 2010
LRM Benefits Overview
The new IEEE optical standard, IEEE 802.3aq, addresses this issue by: Supporting distances of up to 220m on all grades of MMF 7300-NSE-100 Lowering power, heat, and latency Allowing customers to use their existing MMF fiber cabling
Cisco is the first in the industry to offer a 10GBASE-LRM (Long Reach Multimode) optical interface for use in campus networks and in data centers with legacy MMF
Accelerating 10 Gigabit Ethernet Adoption in the Campus
The Cisco X2 10 Gigabit Ethernet LRM Optical Module is fully compliant with IEEE 802.3aq
Supported in the Cisco Catalyst® 6500 Series, Cisco Catalyst 4500 Series, and Cisco Catalyst 3750-E Series
Completes the Cisco 10 Gigabit Ethernet portfolio for MMF
Fraction of the cost of existing 10 Gigabit Ethernet optics
Drives down the price per port for a 10 Gigabit Ethernet deployment
Cisco 4900 Series
constrained LAN aggregation in branch deployments.
The Catalyst 4900 Series are a compact form factor (1-2RU) family of switches providing wire speed GE and 10GbE connectivity and services for top of rack server aggregation in the data center and for space constrained branch collapsed core/distribution LAN aggregation.The Catalyst 4900 Series includes four Layer 2–4 fixed-configuration switches.
The Catalyst 4948 switch offers 48 ports of wire-speed 10/100/1000BASE-T with four alternative wired ports that can accommodate optional 1000BASE-X Small Form-factor Pluggable (SFP) optics.
The Catalyst 4948-10GbE switch offers 48 ports of wire-speed 10/100/1000BASE-T with two wire-speed 10 Giga bit Ethernet (10GbE) up links via optional 10GbE (X2) optics.The Catalyst 4928-10GbE switch offers 28 wire-speed Small Form-Factor Plug-gable (SFP) ports with two wire-speed 10 Giga bit Ethernet (10GbE) up links via optional 10GbE (X2) optics.
The Cisco Catalyst 4900M is a 320-Gbps,two-rack-unit (2RU) semi-fixed configuration switch with 8 fixed wire-speed 10GbE ports on the base unit and 2 optional half-card slots for deployment flexibility.Three half-card modules provide additional 10GbE density or 10/100/1000 copper ports. The 8 port half card supports 1 GE SFPs via the Twin Gig adapter.All models provide exceptional reliability and serviceability,supporting optional internal AC or DC 1 + 1 hot-swappable power supplies and a hot-swappable fan tray with redundant fans.
These switches are available with either the IP Base Software image or the Enterprise Services Software image.The Enterprise Services Software additionally supports Shortest Path First (OSPF),Intermediate System-to-Intermediate System (IS-IS),Enhanced Interior Gateway Routing Protocol (EIGRP),and Border Gateway Protocol(BGP).
Cisco Unified Communications System Overview
The Cisco Unified Communications System is defined around commonly deployed enterprise topology models in North America and European & Emerging Markets (EUEM). Cisco Systems provides an integrated system to meet customer needs. The system contains a number of communications products that are designed, developed, tested, documented, sold, and supported as one entity.This system is built upon individual IP telephony and contact center products including,but not limited to,the Cisco Unified Communications Manager (formerly known as Cisco Unified CallManager),Cisco Unified Intelligent Contact Management Enterprise (Unified ICM),Cisco Unified Customer Voice Portal (Unified CVP),Cisco Unified Contact Center Enterprise (Unified CCE),Cisco Customer Response Solutions (CRS), and voice-capable gateways and routers.Cisco Unified Contact Center solutions allow you to move beyond today's contact center to a customer interaction network by creating a better customer experience, making customer-service agents more efficient and productive, improving contact center reporting, and extending the workforce with expert.mobile, and remote agents.Cisco Unified Communications System testing is a process for specifying (designing) and validating the interoperability of enterprise voice products to ensure that they work together as an integrated system.
Installation Types
The following types of deployments should be considered when installing and creating a contact center environment:
• Greenfield deployment—A completely new installation of the Cisco Unified Communications system, using no existing equipment.
• Legacy deployment A new installation of the Cisco Unified Communications system combined with existing legacy equipment,such as TDM PBXs 283056-B21 and third-party adjuncts,which may require long-term co-existence and integration or eventual migration to the new installation.
• Installed base(“brownfield” deployment)—An existing Cisco Unified Communications system, which requires an upgrade/migration from a previous system release to the current system release.
Wednesday, September 8, 2010
How to Test My Internet connection.
• Refer to Windows Help for details. Make sure Obtain IP address automatically is selected in the settings.
For Windows NT 4.0:
• Click Start, Settings, and Control Panel. Double-click the Network icon.
• Click the Protocol tab, and double-click on TCP/IP Protocol.
• When the window appears, make sure you have selected the correct Adapter for your Ethernet adapter and set it for Obtain an IP address from a DHCP server.
• Click the OK button in the TCP/IP Protocol Properties window, and click the Close button in the Network window.
• Restart the computer if asked. B Open a command prompt. For Windows 98 and Me:
• Click Start and Run. In the Open field, type in command. Press the Enter key or click the OK button. For Windows NT, 2000, and XP:
• Click Start and Run. In the Open field, type cmd. Press the Enter key or click the OK button. In the command prompt, type ping 192.168.1.1 and press the Enter key.
• If you get a reply, the computer is communicating with the Router.
• If you do NOT get a reply, please check the cable, and make sure Obtain an IP address automatically is selected in the TCP/IP settings for your Ethernet adapter.C In the command prompt, type ping followed by your Internet or WAN IP DMV1200A4E1PCI address and press the Enter key.
.The Internet or WAN IP Address can be found on the Status screen of the Router’s web-based utility. For example, if your Internet or WAN IP address is 1.2.3.4, you would enter ping 1.2.3.4 and press the Enter key.
• If you get a reply, the computer is connected to the Router.
• If you do NOT get a reply, try the ping command from a different computer to verify that your original computer is not the cause of the problem. D In the command prompt, type ping www.yahoo.com and press the Enter key.
• If you get a reply, the computer is connected to the Internet. If you cannot open a webpage, try the ping command from a different computer to verify that your original computer is not the cause of the problem.
• If you do NOT get a reply, there may be a problem with the connection. Try the ping command from a different computer to verify that your original computer is not the cause of the problem.
The Cisco 7600
The Cisco 7604 is a small form factor router that offers a wide range of interfaces ranging from DS0
to OC-192,FE,GbE,10GbE,allowing it to be deployed in a widevrange of applications. It supportsredundant supervisors and high-availability features—making the Cisco 7604 resilient.
Security Features
The Cisco 7604 advanced security services offer protection for the device,service,and network:
Device Protection
• Control plane protection
• User access
• Spoofed address
Service Protection
• VRF Aware IPSec VPN
• Virtualized firewall
• Virtualized intrusion detection
Network Protection
• Clean pipes
• Distributed denial of service protection
• Network Protection Access Control Lists
• Reverse Path Forwarding
Tuesday, September 7, 2010
Cisco 3800 Series
The Cisco 3800 Series,comprised of the Cisco 3825 and Cisco 3845,serves as acatalyst for mid size organizations and enterprise branch offices that want to gracefully scale their enterprise edges and take advantage of converged business services, while minimizing the cost and complexity of network upgrades
Benefits and Advantages
Enhanced Architecture
The Cisco 3800 Series offers two modular platforms optimized for the secure delivery of concurrent voice,video,and data.The integrated services architecture of the Cisco 3800 Series builds on the highly successful Cisco 3700 Series design,and adds embedded security and voice processing to a highly modular system that is optimized for rapid deployment of intelligent network services and converged communications.The Cisco 3800 Series supports the bandwidth requirements for multiple Fast Ethernet interfaces per slot,time division multiplexing (TDM)interconnections,and fully integrated power distribution to modules supporting 802.3af Power over Ethernet (LD2409)while supporting the existing portfolio of modular interfaces.
Integrated Switching
With support for up to 112 ports of integrated switching with inline power,the Cisco 3800 Series offers an excellent platform for combining two of the most common components of any network infrastructure.The Cisco 3800 Series supports the 16-,24-,and 48-port Cisco Ether Switch® Service Network Modules which adhere to the 802.3af (PoE) standard.When partnered with the optional internal power supply upgrade,the Ether Switch Service Network Modules and high-density WAN interface cards(HWICs) power any 802.3af compliant device through their integrated switch ports.
Cisco 1800 Series (Modular)
Enhanced Architecture
The Cisco 1841 Integrated Services Router provides secure data connectivity at up to one T1/E1/xDSL WAN connectivity rates.It provide significant additional value compared to prior generations of Cisco 1700 Series routers by offering more than a five-fold performance increase, integrated onboard hardware-based encryption enabled by an optional Cisco IOS Software security image,and a dramatic increase in interface card slot performance and density.Support for one internal Advanced Integration Module(AIM) slot is provided for additional hardware-accelerated encryption and scalability.The modular architecture on the Cisco 1841 router also supports two high-speed WAN interface card (HWIC)slots which significantly increase data-throughput capability (up to 800 Mbps aggregate).The Cisco 1841 also offers integrated dual high-speed Ethernet LAN ports to allow LAN segmentation and to help enable connectivity speeds up to 100BASE-T Ethernet technology.Ample default memory (Flash,SDRAM)is provided to support deployment of concurrent services
Flexibility and Investment Protection