![]() Throughput is the amount of data transmitted in a unit of time and depends exclusively on how much information is entered on the transmission channel.īefore considering throughput considerations, we need to consider the fact that both pfSense and OPNsense can operate both as a firewall and as a router or both. Both capacity and throughput are expressed in bit / s, but while the first expresses the maximum transmission frequency at which data can travel, throughput is an index of the actual use of the link capacity. Throughput is not to be confused with link capacity. ![]() Required throughputīy definition, throughput of a communication channel is meant its transmission capacity actually used. These 3 factors mainly affect RAM, CPU, mass memory and NIC quantities.Īlso keep in mind that from version 2.4 pfSense does not support systems on CF anymore (in particular it no longer supports i386 images), which OPNsense still supports them. Number and type of NIC (Network Interface Card) required.Features or additional packages of pfSense/OPNsense used.To size a firewall based on pfSense CE/OPNsense from 2.4.X / 18.X and up, keep in mind these 3 main factors: → Check out pfSense vs OPNsense: technical comparison Steps to resize a firewallĢ.2 Minimum requirements for pfSense up to 2.4.xĢ.3 Minimum requirements for pfSense CE version 2.5.x This article was written mainly for pfSense and OPNsense, but it can also be used for ipFire.
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