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# NV profile parameters

This page provides a quick reference of the available options, parameters, and values for virtual locations. You can configure the parameters for a virtual location using the NV Network Editor. For details, see Configure NV profiles with the Network Editor.

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## WAN specifications

The following WAN specifications are available.

Latency

Option | Parameter | Possible values
--- | --- | ---
Fixed Latency | Latency | 0-8000 ms (Granularity = 1 ms)
Uniform Distributed Latency | Minimum/maximum | 0-8000 ms (Granularity = 1 ms)
Uniform Distributed Latency | Latency change limit | 0-4000 ms (Granularity = 1 ms)
Normal Distributed Latency | Average | 0-8000 ms (Granularity = 1 ms)
Normal Distributed Latency | Standard deviation | 0-8000 ms (Granularity = 1 ms)
Linear Latency | Minimum/maximum | 0-8000 ms (Granularity = 1 ms)
Linear Latency | Cycle duration | 1-65535 sec

Packet loss

Option | Parameter | Possible values
--- | --- | ---
Periodic Loss | Lose one of every x packets | x = 2-65535
Random Loss | Loss probability | 0-100% (Granularity = 0.01%)
Burst Loss | Probability | 0.01-90% (Granularity = 0.01%)
Burst Loss | Burst size | 1-65534 packets
Gilbert-Elliot Loss Two State Loss Model | Loss probability | 0.0-100% (Granularity = 0.01%)
Gilbert-Elliot Loss Two State Loss Model | Transition to other state | 0.0-99.99% (Granularity = 0.01%)

Packet effects

Option | Parameter | Possible values
--- | --- | ---
Out Of Order | Probability | 1-50%
Out Of Order | Offset | 1-64 packets
Packet Duplication | Probability | 1-99%
Packet Duplication | Number of duplicates | 1-20 packets
Fragmentation | Probability | 1-99%
Fragmentation | MTU | 64-1,460 bytes
Fragmentation | DF policy | Ignore DF and fragment packet. Discard packet and generate ICMP message. Discard packet and do not send ICMP message.

Link faults

Option | Parameter | Possible values
--- | --- | ---
Bit Error | Frequency | One every 102 – 1012 bits
Bit Error | Number of toggled bits | 1-500 bits
Disconnection | Average frequency | 3-300 sec
Disconnection | Disconnection time | 10-30000 ms
Congestion | Frequency | 1-300 sec
Congestion | Time span | 10-65535 ms
Congestion | Event property: fixed latency | 0-8000 ms
Congestion | Event property: packet loss probability | 0%-90% (Granularity = 0.01%)

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## Gateway specifications

The following gateway specifications are available.

Bandwidth settings

Option | Parameter | Possible values
--- | --- | ---
Symmetric Bandwidth | Bandwidth | 2.4 Kbps - 10 Gbps
Asymmetric Bandwidth | Uplink/Downlink | 2.4 Kbps - 10 Gbps
Asymmetric Bandwidth | Packet overhead length | 0-1000 bytes

Queue limitations

Option | Parameter | Possible values
--- | --- | ---
Queue Size | Queue size | 2.4 Kbps - 10 Gbps
Drop Mode | Drop mode | Drop Tail RED
Drop Mode | RED queue (minimum/maximum threshold) | 2-65535 KB
Fill Mode | Fill mode | Use fixed size (1500 bytes per packet) Use actual packet size
Packet Overhead | Packet overhead | Ethernet (Add 18 bytes to each packet) PPP (Add 9 bytes to each packet)
Traffic Type Support | Traffic type support | IPv4

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See also:

- Configure NV profiles with the Network Editor

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