I have a FreeBSD box with interface ix1 plugged into a SPAN port on our switch.
If I run
If I run
I also tried
The interface is up and in promiscuous mode.
I have a very similar box with slightly different network cards and plugging it in and running
Am I missing something?
If I run
tcpdump -i ix1 -v I get a flood of output. There's several hundred mbit of traffic running past that interface every second.If I run
iftop -i ix1 the screen shows nothing. 0 bytes for transmit, receive, and total.I also tried
iftop -p -i ix1 with the same results.The interface is up and in promiscuous mode.
I have a very similar box with slightly different network cards and plugging it in and running
iftop -i igb1 shows what I would expect.Am I missing something?