ADTRAN 1224R Network Access Device Competitive Performance Evaluation versus Cisco 2950/Cisco 1721

Sponsor: ADTRAN, Inc.

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Document Number: 204122

Publication Date: 4/30/2004

Page Count: 6

Abstract

ADTRAN®, Inc. commissioned The Tolly Group to evaluate its NetVanta® 1224R, an all-in-one managed Layer 2 Ethernet switch with integral IP router, modular WAN interface, firewall, and VPN, to determine the effectiveness of a single-system solution for WAN/LAN connectivity versus a multi-platform switch and router solution from Cisco Systems, Inc. The Tolly Group benchmarked the performance of the NetVanta 1224R against a Cisco 2950 Layer 2 switch and a Cisco 1721 modular access router.

Tolly Group engineers measured the following: non-blocking wire-speed switching, Fast Ethernet firewall performance, routing latency of both vendors’ gear, routing performance between VLANs across a router, and the latency across a WAN infrastructure with QoS enabled and VoIP call quality across a WAN with QoS enabled. Tests were conducted in March 2004.

Tests show that the NetVanta 1224R performs comparably to the Cisco solution for medium-to-large frame sizes, but the ADTRAN device holds a distinct advantage when handling the more taxing 64-byte frames, which is typical off applications such as VoIP. With regard to inter-VLAN throughput, the NetVanta 1224R delivered up to 200 Mbps of bidirectional zero-loss throughput, while the two Cisco devices leveled off at 512-byte frames and delivered a maximum of 99 Mbps of bidirectional throughput. From a call-quality perspective, both the ADTRAN and Cisco equipment performed almost identically offering excellent call-quality support.

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