This will probably date me, but when I started in telecommunications a few years back, 10-Mbps thin-net Ethernet was the cool new technology. I used to think, “Who would ever need that much bandwidth?” Since then, IT technology has changed dramatically, with applications continually demanding more and more bandwidth. Ethernet switching capacity has advanced by leaps and bounds to keep pace with demand, ratcheting up connectivity speeds from 10 Mbps to 100 Gbps. For most data centers today, 1- and 10-Gbps connectivity is commonplace. But now 100 Gbps is quickly gaining traction in the vertical markets that require the highest performance. If history is any indication, 100 Gbps will be commonplace in most data centers in the not too distant future.
To meet the high-performance demands of today’s service providers, research labs, and large enterprises, Cisco started shipping a 12-port 100-Gbps module for the Cisco Nexus® 7700 platform switches about a year ago.
Nexus 7700 100G, 12 port module
The module is based on the Cisco® F3 chip, which offers the industry’s most comprehensive data center feature set for the core and the data center interconnect, including multicast, Multiprotocol Label Switching (MPLS), Virtual Extensible LAN (VXLAN), Cisco Overlay Transport Virtualization (OTV), and Cisco Locator/ID Separation Protocol (LISP). The module was designed to deliver line-rate performance with a total switching capacity of 1.2 terabits per second (Tbps). So, theoretically, a fully loaded Cisco Nexus 7700 18-Slot Switch chassis with 192 100-Gbps ports could deliver up to 38 Tbps of bidirectional throughput. No matter how you slice and dice it, that’s a lot of throughput—enough to meet the demands of any network.
As a matter of fact, 192 100-Gbps ports with 38-Tbps throughput would make the Cisco Nexus 7700 18-Slot Switch the industry’s highest-density 100-Gbps switch, with the Industry’s highest throughput rate. To verify this industry leadership, we put the switch to the test.
Cisco commissioned Miercom to conduct an independent performance test on a fully loaded Cisco Nexus 7700 18-Slot Switch with 192 100-Gbps ports. One of the first challenges Miercom faced was how to generate 38 Tbps of traffic to test line-rate performance. Miercom called upon Ixia’s world-renowned labs to help. The solution called for multiple Ixia Xcellon modules in Ixia’s iSimCity lab to conduct the tests (Figure 2).
Figure 2. Ixia test lab set up
Along with the raw throughput testing, Miercom also tested critical Cisco Nexus 7700 platform features to see how they would perform under full load. Tested features included MPLS, IPv4/IPv6 multicast, and hitless In Service Software Upgrade (ISSU).
After the testing was complete, the Cisco Nexus 7700 18-Slot Switch proved that it offers the industry’s highest 100-Gbps density and performance with line-rate services and exceptional availability. This level of scale provides customers with many years of investment protection as they transition from 1 and 10 Gigabit Ethernet to 40 and 100 Gigabit Ethernet architectures in the future.
Robert Smithers, CEO of Miercom, summed up the test results nicely: “Miercom independently exercised and evaluated Cisco Systems Nexus 7718 and was frankly stunned by the incredible power and throughput of this system, coupled with consistent low latency and latency variation, as well as solid MPLS support and high-availability features. The first switch we have independently tested with 192 x 100GE ports, the Cisco Nexus 7718 is awarded Miercom Performance Verified in our ongoing Data-Center-Class 100GE Switch Study.”
For the full details of the test, check out the comprehensive Miercom test report and accompanying test/results video. Also, here is what Miercom and Ixia had to say in their press releases.
Here’s a quick summary of the Miercom test results:
- Testing found the Cisco Nexus 7718 can forward at line rate on all 192 of its 100GE ports – delivering over 38 Terabits/s of bidirectional traffic
- Testing confirmed the Cisco 7718 can distribute real-world IPv4 and IPv6 multicast traffic at wire speed, with each of 191 receiver ports handling 1,250 IGMPv2 groups
- The Cisco 7718 can process real-world MPLS traffic at line rate on all 192 of its 100GE ports, with no loss and low latency
- Testing confirmed that an active Supervisor module or fabric module can be replaced with no packet loss, with IPv4 and v6 traffic running at high capacity on all of its 100GE ports
- The Cisco 7718 executed an in-service software upgrade, with IPv4 and v6 traffic running at high capacity on all 192 of its 100GE ports, with no loss
Visit the Nexus 7000 series webpage for more information on all the F3 modules and the latest innovations such as Cisco Remote Integrated Service Engine (RISE) and Intelligent Traffic Director (ITD) that continue to raise the industry bar for scale and efficiency.
Tags: 100gbps, 100GE, highest scale, linerate, Miercom, Nexus 7700, Nexus 7718
If you are an Enterprise IT Manager, this is a question that you must ask yourself if you are considering deploying 802.11ac for your enterprise wireless network. 802.11ac has some great benefits such as wirelike speed and being able to handle a high concentration of clients. However, there is more to consider when deploying 802.11ac. For instance, how do I handle RF interference now that 802.11ac support 80MHz channels? Will legacy devices such as 802.11g/a/n allow me to achieve the best performance that 802.11ac advertises? How can I ensure that my users get the best wireless performance when they roam across a building? And lastly, as more clients join the network, is my performance going to suffer? These are all valid concerns and are something that Cisco addresses with HDX. HDX is High Density Experience and is part of Cisco’s 802.11ac solution. We just wrapped up a 4 part blog series on HDX where we answer these questions:
- For Interference Mitigation, we have CleanAir for 80MHz Channels
- Getting the best performance out of your network even with legacy clients, we have ClientLink 3.0 Read More »
Tags: 11ac, 802.11ac, cleanair, competitor, deployment, gigabit, HDX, high density, interference mitigation, legacy client, Mhz, Miercom, network, performance, QoS, rf, technology, vendor, wi-fi, wifi, wireless, wlan
Cisco’s newest 802.11ac product, the Aironet 3700 Series Access Point is now orderable and shipping in the next few weeks. The AP 3700 features an integrated 11ac radio with a 4x4 architecture and Cisco’s High-Density Experience (HDX) Technology. HDX is a suite of features specific to the AP 3700 that delivers the best possible user experience, especially in high client density networks. HDX is enabled by a combination of hardware and software features on the AP 3700, features including:
- CleanAir 80 MHz – Interference detection and mitigation
- ClientLink 3.0 – RF link quality
- Smart Roam – Intelligent roaming handoff
- Turbo Performance – Performance with high client density
Aruba recently launched their 802.11ac access point, the AP-220 series, featuring a 3x3 design.
Miercom recently published a third-party evaluation of the performance between the AP 3702i and the AP-225. The report consists of a diverse range of test cases meant to gauge real-world performance of the access points. The tests include; multi-client performance, single client rate vs. range, performance in the presence of interference, and performance on reduced power. Here are some of the highlights from the report.
The AP 3700 performed very well in the multi-client performance test, thanks impart to HDX Turbo Performance. With 60 clients, the AP 3702i had a 6x performance advantage over the AP-225. The AP-225 struggled to serve all the clients and only mustered 40 Mbps total. The AP 3702i was able to transmit a healthy 236 Mbps, while maintaining fair throughput to each client.
The test consisted of 60 11ac clients, all associated to the 5 GHz radio. The clients used were 10 Dell E6430 laptops with Broadcom 4360 three spatial-stream chips, 20 Apple Macbook Air two spatial-stream laptops, and 30 Dell E6430 laptops with Intel 7260 two spatial-stream chips. Clients were setup in an open office environment surrounding the AP. Distances varied from 10’ to 50’.
Read More »
Tags: #80211ac, 11ac, 3x3, 3x3 design, 802.11ac, access point, AP under test, AP-225, apple macbook air, APUT, aruba, broadcom 4360 chip, Cisco, cleanair, ClientLink, dell E6430 laptop, GHz radio, gigabit, gigabit wireless, high density experience, interference detection, macbook air, mbps, Mhz, Miercom, multi-client, network, performance test, PoE+, reduced power, report, third-party evaluation, wi-fi, wi-fi testing, wifi, wireless
The next generation of Wi-Fi, 802.11ac couples the freedom of wireless with the speed of gigabit Ethernet. This also translates in additional load on the backbone of the network, which has to deliver at least 3 times the capacity of the current gold standard, the 802.11n based network.
Cisco launched the Unified Access architecture to scale linearly with the increased load on the network with 60 Gbps Wi-Fi throughput on the Cisco 5760 Wireless LAN Controller and 40 Gbps Wi-Fi throughput on the Catalyst 3850 Series Switch with a built-in wireless controller. Both these platforms are based on the Cisco Unified Access Data Plane (UADP) programmable ASIC, which provides high performance and scale, common open APIs, and enables consistent QoS policies for both wired and wireless networks.
Aruba recently launched the 7240 series controllers with a throughput of up to 40Gbps claimed, with the same goal of delivering 802.11ac capable performance across the network. This controller is based on a generic network processor and not a purpose built ASIC like the Cisco controller.
Miercom performed a third-party evaluation to benchmark these products using IMIX (Internet Mix) packet traffic and test QoS traffic for high priority application. IMIX is traffic pattern consisting of a preset mixture of small, medium and large frame sizes used to emulate real-world traffic scenarios in a testing environment. We wanted to give you a sneak peek at some of the results.
Cisco 5760 is six times faster and Catalyst 3850 is 4 times faster as compared to Aruba 7240
The Cisco 5760, 3850 and the Aruba 7240 were tested for throughput using RFC 2544 and IMIX Traffic. The Cisco 5760 and 3850 performed extremely well by achieving 50 Gbps and 37 Gbps, whereas Aruba 7240 fell short by just achieving 8 Gbps, which is 20% of its advertised throughput.
Read More »
Tags: 802.11ac, aruba, Cisco, controller, Miercom, network, performance, QoS, technology, wireless
The number of mobile-connected devices has broken the 1 billion mark. That’s not too surprising, given that as we grow more reliant on our devices and mobility, we also become more reliant on the Internet to get things done, take care of customers, and expand our businesses. In fact, we see a future that is defined by what we call the Internet of Everything (IoE), bringing together people, processes, data, and things to make networked connections more relevant and valuable than ever before. Yet Cisco estimates that about 99.4 percent of what could be connected by the Internet is currently unconnected. That’s pretty staggering. Imagine how even a fraction of that could affect your business—by connecting employees when they’re mobile and connecting customers and partners to keep business processes and sales in progress.
Cisco’s latest offerings are designed to capitalize on connectivity, helping to fuel small business success and pave the way for future growth.
Lief Keopsel recently discussed how the growing mobile population calls for a new approach. Cisco’s expanding small business portfolio helps customers find the right technology to meet their evolving needs—such as increasing overall productivity, bolstering responsiveness, and beating the competition. But we haven’t stopped there. We’ve recently added additional routers and wireless access points.
Ultimately, we’re developing a portfolio that helps small businesses perform to their maximum potential through offerings that span security, connectivity, and collaboration.
Security Is a Competitive Advantage
Through all this, whether you’re increasing productivity or enabling collaboration, you really have to keep security at the forefront. It’s what gives you the edge. If you missed the recent blog post featuring David Lawrence from Smart Technology Enablers talking about the Cisco ISA500 Series, please listen in. David describes how the Cisco ISA500 Series helps customers safeguard against outside threats while allowing employees to securely access information remotely.
Connectivity Is Key to Productivity
Check out how our newly launched products deliver greater capabilities with built-in intelligence to provide more options for getting things done and creating a more customer-centric business model, regardless of location.
Collaboration Improves Business Effectiveness
Bringing together people is a key part of our value proposition. We’re helping small businesses respond to customers more quickly and cultivate stronger customer engagement and loyalty. All while lowering the cost of doing business.
We understand that making the right technology decision is critical. And to that point, we’re proud of the recognition we’ve received from Miercom. Linda Beaton’s post on February 8 highlights a recent study by Miercom. This report favorably compared the Cisco SF500, SG500, and SG500X switches with similar products offered by HP, D-Link, and Netgear.
To learn more about the Cisco Small Business products referenced here, please visit our website. Or to learn more about our Cisco Services, click here. If you’re a Cisco partner, check out our Partner Launch page to help seize new market opportunities and add value to your customers.
How are these changes affecting you? And, how can we help to strengthen our partnership?
Tags: channel partners, Cisco, collaboration, Miercom, mobility, productivity, security, small business, smb