Hello,
I'm experiencing an issue where after about 30 minutes of looping the speed at
which traffic is generated changes from what was specified with the -M option
to full line rate.
I'm running tcpreplay with netmap on FreeBSD 10.2-RELEASE amd64. This seems to
occur regardless of which rate or capture file I use. I'm using a dual-port
Intel 10 GbE PCI-E adapter.
Here is an example of how I run tcpreplay when I experience this:
tcpreplay --netmap -i ix0 -K -l 0 -M 6430 ./replayfiles/GSinput1.pcap
Here is the tcpreplay -V output:
tcpreplay version: 4.1.0 (build git:v4.1.0)
Copyright 2013-2014 by Fred Klassen <tcpreplay at appneta dot com> - AppNeta
Inc.
Copyright 2000-2012 by Aaron Turner <aturner at synfin dot net>
The entire Tcpreplay Suite is licensed under the GPLv3
Cache file supported: 04
Compiled against libdnet: 1.12
Compiled against libpcap: 1.4.0
64 bit packet counters: enabled
Verbose printing via tcpdump: enabled
Packet editing: disabled
Fragroute engine: enabled
Default injection method: bpf send()
Not compiled with Quick TX
Optional injection method: netmap
dmesg output for the 10Gb Intel card:
ix0: <Intel(R) PRO/10GbE PCI-Express Network Driver, Version - 2.8.3> port
0xe880-0xe89f mem 0xf9e80000-0xf9efffff,0xf9e7c000-0xf9e7ffff irq 24 at device
0.0 on pci14
ix0: Using MSIX interrupts with 9 vectors
ix0: Ethernet address: 90:e2:ba:55:10:fc
ix0: PCI Express Bus: Speed 5.0GT/s Width x8
ix0: netmap queues/slots: TX 8/2048, RX 8/2048
ix1: <Intel(R) PRO/10GbE PCI-Express Network Driver, Version - 2.8.3> port
0xec00-0xec1f mem 0xf9f80000-0xf9ffffff,0xf9f7c000-0xf9f7ffff irq 34 at device
0.1 on pci14
ix1: Using MSIX interrupts with 9 vectors
ix1: Ethernet address: 90:e2:ba:55:10:fd
ix1: PCI Express Bus: Speed 5.0GT/s Width x8
ix1: netmap queues/slots: TX 8/2048, RX 8/2048
_________________________________________
Cory Simonson
Engineer, Software Quality Assurance
Viavi Solutions - viavisolutions.com
P: 952-358-3874
E: cory.simon...@viavisolutions.com<mailto:cory.simon...@viavisolutions.com>
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