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Spirent TestCenter WLAN Data Sheet C50 WLAN 802.11AX Appliances

 

Spirent TestCenter supports the highest performing and most realistic wireless local area network (WLAN) multi-client emulation for direct functionality and performance testing of Access Points (APs) and end-to-end testing of WLAN ecosystems that include WLAN access controllers, and gateways. Spirent TestCenter C50 WLAN Appliance in a compact 3U appliance form factorcombines Spirents industry-leading IEEE 802.11ax WLAN interface cards with Spirent IEEE 802.3bz BASE-T 100Mbps/1Gbps/2.5Gbps/5Gbps/10Gbps Ethernet card on a copper interface. Users can emulate a large number of realistic 802.11 a/b/g/n/ac/ax WLAN clients to connect with an AP via a cabled conductive or over-the-air (OTA) link. Basic WLAN control plane and data plane features along with the advanced RFC style network traffic and throughput performance test cases are supported over the WLAN network involving the emulated clients and the APs under test. The C50 Appliance also provides complete Dynamic Frequency Selection (DFS) testing coverage through the integration of a radar signal emulation tool.

The WLAN interfaces installed in the highly integrated C50 Appliance consist of multiple IEEE

802.11ax radios, providing maximum user configurability and flexibility to emulate various IEEE

802.11ax clients and other legacy 802.11 a/b/g/n/ac clients on either 2.4GHz or 5GHz band. The

newly designed 802.11ax radio interface supports those exciting features such as MU-MIMO,

OFDMA, longer symbol duration, BSS color, etc. introduced in 802.11ax standard. A single WLAN

radio supports 802.11ax clients with different spatial stream configurations up to 8 spatial streams for the best realistic client emulation scenarios in either conductive or OTA mode. Designed for testing WLAN network infrastructure devices, the intended DUTs include the latest 802.11ax carrier or enterprise thin APs with controllers, consumer grade 802.11ax APs, and integrated broadband WLAN gateway with 802.11ax support. Spirent TestCenter WLAN solutions offer the best in class traffic generation and analysis for testing functionality, performance, and scalability.

A dedicated radio interface is included to generate certain radar signals required by the regulators such as FCC, ETSI, Japan-MIC, Korea, and China Telecom, etc. on 5GHz DFS band that is unlicensed but shared with many applications including weather radars and WLAN. With this tester, users can easily validate the compliance of 802.11 APs to the latest regulatory mandated DFS requirements on 5GHz band. Both manual and automated test cases provided, covering regulators requirements with multi-trial testing, detection probability testing, and detection bandwidth testing. The statistical results reported for those test cases include critical DFS timing characteristics that an AP under test can support.

 

 

Applications:

Conductive or OTA testing

Multi-client WLAN network testing scenarios

Functional, performance, and scalability testing

Stability testing

Security and authentication type testing

AP interwork with legacy IEEE 802.11 mode clients

Association processing and DHCP timing testing

RFC2544 benchmark performance testing

UDP stateless and TCP stateful traffic testing

Application layer traffic testing

802.11ax feature testing

Radar signal emulation for DFS testing

Advanced features such as roaming, airtime fairness, band steering

Easy rate vs range testing

 

 

Features & Benefits

Utilize both the Ethernet and multiple WLAN cards installed in the appliance for emulating a very large number of realistic 802.11 WLAN clients with traffic generation and analysis

Support 802.11 b/g/n/ac/ax on 2.4GHz and 802.11 a/n/ac/ax on 5GHz frequency bands

Support dual-band 2.4GHz and 5GHz concurrently

Support up to 8x8 MIMO for 802.11 n/ac/ax on 5GHz and 4x4 MIMO for 802.11 n/ac/ax on 2.4GHz

Support 20MHz and 40MHz channel bandwidths for clients on 2.4GHz band

Support 20MHz, 40MHz, 80MHz, and 80+80Mhz, and 160MHz channel bandwidths for clients on 5GHz band

Support 802.11ac/ax with 80 MHz channel bandwidth for MIMO up to 8x8 on 5GHz

Support 802.11ac/ax with 80+80 MHz and 160MHz channel bandwidth for MIMO up to 4x4 on 5GHz

Internal channel attenuation up to 63.5dB for both TX and RX with 0.25dB resolution for each of individual spatial stream completely independently

802.11ac/ax explicit transmit beamforming (TxBF) and legacy implicit TxBF for beamformee

Switchable between SU-MIMO and MU-MIMO configurations

Support various 802.11ac/ax client configurations for MU-MIMO grouping testing

OFDMA RU management testing with multiple OFDMA capable clients

Support different BSS color settings with a threshold of 0 to 64

Support 802.11ax PHY features such as long training field; HE duration-based RTS; dual-carrier modulation

Support various channel selection plan for different geographic regions globally

Maximally interoperable with various chipset vendors WLAN AP products

Best in class realistic traffic generation and analysis over WLAN and Ethernet interfaces

Capable of providing multiple traffic flows per client with each flow offering stateful traffic at layers 2 through 7

Capable of generating realistic and stateful WLAN client traffic individually on per client basis

Support individually controlled client behavior providing accurate control of 802.11, 802.3, and IP characteristics, including medium access control, authentication and encryption, frame size, and rate

Emulate client association mode in either a designated sequential or more realistic random fashion

Support various RFC2544 style test case for throughput benchmark performance testing

Each emulated client supports the full MAC per 802.11 standard independently

Upper layer protocols (e.g., DHCP and TCP) are fully supported using independent protocol tasks

Test APs data plane performance using flow packets of different sizes, protocol types, encryptions, and rates

802.3 Ethernet transmit capability: wire-speed hardware packet generation with timestamps, sequence numbers, data integrity signature, and flow group Identifier

802.3 Ethernet receive capability: wire-speed packet filtering, data integrity, and sequence checking, capture, real-time latency measurement on each flow

Support different 802.3 Ethernet packet length control functionalities including fixed, increment, decrement by userdefined step or automatic, list, random and shuffle.

Support a sniffer type IEEE 802.11 packet over-the-medium capture for a real-time Wireshark display or other precise post processing

Simultaneously 802.3 packet capture and 802.11 packet capture up to 256mb per port, respectively

Filter options with specific types of packets (e.g. SSIDs, BSSIDs, etc.) for reducing capture file size or for a longer capture

Extensive 802.11 stats, counters, and statistics report in either real-time or periodically on per client or per port basis

Support 802.3 and 802.11 real-time port statistics, per flow statistics, and port-level histogram

Support per spatial stream statistics and counters

Support per card reservation for WLAN cards and per port reservation for the Ethernet ports

Dedicated radio interface for certain radar signal emulation and DFS testing

Switch to different channel on 5GHz band requested by the AP without interruption of traffic

Support various regulatory required DFS specifications such as FCC, ETSI, Japan, Korea, and China

Generate regulatory-specified radar signal pulses based on the region settings

Various profile types of regulatory-specified radar pulses based on the region settings

Configurable parameters such as signal strength, signal duration, center frequency, etc. for the radar signal generation

Capture DFS statistics such as CSA number, time of the first CSA arrival, channel switch time, channel moving time, etc.

 

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