My ADTRAN
ADTRAN NetVanta 4148
Tolly Certified

NetVanta 4148 = Tolly Certified

The Tolly Group ran a battery of tests on ADTRAN’s NetVanta 4148 Gigabit Access Router. The performance test included L2 throughput and latency, throughput for L3 IPv4, firewall, and VPN, in addition to Quality of Service (QoS) and VoIP call capacity tests.



Bi-directional 1Gpbs IPv4 L3 WAN and firewall throughput at 64-byte packets and above.

Line-rate of aggregated WAN ports throughput at 4Gbps at 256-byte packets and above.

IPv4 VPN bi-directional throughput greater than 1Gbps at 1024-byte packets and above.

Line-rate L2 switch throughput across all eight ports.

Verified QoS to guarantee bandwidth for high priority traffic and SBC capacity of 1,000 concurrent calls.


"ADTRAN's NetVanta 4148 Gigabit Router delivered 4Gbps IPv4 routing and firewall throughput at 256-byte packets and above."

Kevin Tolly
CEO | Founder, The Tolly Group


"ADTRAN's NetVanta 4148 Gigabit Router delivered 4Gbps IPv4 routing and firewall throughput at 256-byte packets and above."
Kevin Tolly
CEO | Founder, The Tolly Group

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