I've got a 10Gb intel nic on a FreeBSD 8.0-p3/AMD64 system, using the ix driver:
Code:
ix0: <Intel(R) PRO/10GbE PCI-Express Network Driver, Version - 1.8.9> port 0xdce0-0xdcff mem 0xdf3a0000-0xdf3bffff,0xdf3c0000-
0xdf3fffff,0xdf39c000-0xdf39ffff irq 35 at device 0.0 on pci5
ix0: Using MSIX interrupts with 17 vectors
ix0: [ITHREAD]
...
ix0: Ethernet address: 00:1b:21:3f:b5:fc
ix0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 9194
options=5bb<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,JUMBO_MTU,VLAN_HWCSUM,TSO4,LRO>
ether 00:1b:21:3f:b5:fc
inet 192.168.6.56 netmask 0xffffff00 broadcast 192.168.6.255
media: Ethernet autoselect (10Gbase-LR <full-duplex>)
status: active
What seems a bit odd is even when they system is 'idle', netstat reports a burst of outgoing data at an unpredictable interval:
Code:
# netstat -I ix0 -w 1
input (ix0) output
packets errs bytes packets errs bytes colls
1 0 496 1 0 18446744073709551436 0
1 0 252 1 0 0 0
28 0 19768 42 0 0 0
2 0 316 1 0 0 0
1 0 252 1 0 0 0
Is this normal? I wouldn't expect it to be, but I also have never worked with a 10Gb nic before. I'm only concerned because I'm also having some issues transferring data from another system that also has a 10Gb nic (though other non-10Gb systems can send and receive just fine...).
June 25th, 2010, 22:15
10Gb Intel Nic and bizarre netstat output
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