Chapter 7: Sample Test Topologies
Sample Devices and Networks to Test
72 SmartBits System Reference
Testing Gigabit Routers
Applications available to set up and test gigabit routers are as follows:
• SmartWindow for a customized virtual front panel application.
• SmartLib for a programming library.
• SmartApplications for automated RFC-1242 testing.
• SmartFlow for forwarding and policy-based QoS testing with SmartMetrics.
The principal function of the SmartBits module is to test Layer 3 devices. It can also test
Layer 2 functionality and performance. The cards are capable of full-wire traffic
generation and analysis. The card features:
• A 850nm ShortWave multi-mode fiber physical interface.
• 802.1p, 802.1q, and 802.3 ac VLAN tagging.
• 802.3x flow control.
• Optional data integrity for checking bit errors in Layer 3 forwarding devices.
• Generating up to 2,000 streams at any given time and analyzing the results.
• Implementing up to 64,000 flows per stream–a total of 524 million flows per port.
• Configuring each stream to a different data transmission mode (Continuous, Single
Burst, Multi-Burst, Continuous Multi-Burst).
• Testing real Gigabit Router performance with SmartMetrics:
– Per flow Frame loss.
– Latency.
– Latency and Sequence.
– Latency Distribution tracking.
• Testing core and edge router capabilities through a fully integrated array of Spirent
SmartMetrics cards.
Refer to the SmartWindow User Guide located at http://www.netcomsystems.com/
support/documentation.asp for detailed information regarding applicable tests and
features.
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