[General] network = CutthroughSwitchingShowcase sim-time-limit = 1s #abstract-config = true (requires omnet 7) # all Ethernet interfaces have 1 Gbps speed *.*.eth[*].bitrate = 1Gbps # applications *.device*.numApps = 1 *.device1.app[0].typename = "UdpSourceApp" *.device1.app[0].io.destAddress = "device2" *.device1.app[0].io.destPort = 1000 *.device1.app[0].source.packetLength = 1200B # ~100us transmission duration *.device1.app[0].source.productionInterval = truncnormal(200us,50us) # 3 hops without cut-through would fill up the queues *.device2.app[0].typename = "UdpSinkApp" *.device2.app[0].io.localPort = 1000 [Config StoreAndForward] description = "Switches completely receive incoming frames before forwarding them" #default behavior, no configuration required [Config CutthroughSwitching] description = "Switches start forwarding incoming frames after the Ethernet MAC header has been received" # enable cut-through in all network nodes *.*.hasCutthroughSwitching = true