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5:00.0 Ethernet controller: Broadcom Corporation NetXtreme II BCM5708 Gigabit Ethernet (rev 12)
        Subsystem: Dell Device 01b3
        Flags: bus master, 66MHz, medium devsel, latency 32, IRQ 115
        Memory at f8000000 (64-bit, non-prefetchable) [size=32M]
        Capabilities: [40] PCI-X non-bridge device
        Capabilities: [48] Power Management version 2
        Capabilities: [50] Vital Product Data
        Capabilities: [58] MSI: Enable+ Count=1/1 Maskable- 64bit+
        Kernel driver in use: bnx2

marcin@john ~ $ sudo ifconfig eth0
eth0      Link encap:Ethernet  HWaddr [masked]  
          inet addr:[masked]  Bcast:[masked]  Mask:[masked]
          inet6 addr: fe80::219:b9ff:feea:b156/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:58147747432 errors:1 dropped:60576072 overruns:0 frame:1
          TX packets:45955914360 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:10000 
          RX bytes:59352371590741 (53.9 TiB)  TX bytes:19095241090717 (17.3 TiB)
          Interrupt:16 Memory:f8000000-f8012800

marcin@john ~ $ sudo ethtool -g eth0
Ring parameters for eth0:
Pre-set maximums:
RX:             2040
RX Mini:        0
RX Jumbo:       8160
TX:             255
Current hardware settings:
RX:             2040
RX Mini:        0
RX Jumbo:       0
TX:             255

net.core.wmem_max=33554432
net.core.rmem_max=33554432
net.ipv4.tcp_rmem= 10240 87380 33554432
net.ipv4.tcp_wmem= 10240 87380 33554432
net.ipv4.tcp_window_scaling = 1
net.ipv4.tcp_timestamps = 1
net.ipv4.tcp_sack = 1
net.core.netdev_max_backlog = 50000
net.ipv4.tcp_no_metrics_save = 1
#net.ipv5.tcp_congestion_control=htcp
net.ipv4.ip_local_port_range = 1024 65000
net.ipv4.tcp_max_syn_backlog=16777216

marcin@john ~ $ sudo ethtool -S eth0
NIC statistics:
     rx_bytes: 59360774724055
     rx_error_bytes: 0
     tx_bytes: 19097652641781
     tx_error_bytes: 0
     rx_ucast_packets: 58150444547
     rx_mcast_packets: 2398522
     rx_bcast_packets: 3028267
     tx_ucast_packets: 45959978022
     tx_mcast_packets: 2237082
     tx_bcast_packets: 10411
     tx_mac_errors: 0
     tx_carrier_errors: 0
     rx_crc_errors: 1
     rx_align_errors: 0
     tx_single_collisions: 0
     tx_multi_collisions: 0
     tx_deferred: 0
     tx_excess_collisions: 0
     tx_late_collisions: 0
     tx_total_collisions: 0
     rx_fragments: 0
     rx_jabbers: 0
     rx_undersize_packets: 0
     rx_oversize_packets: 0
     rx_64_byte_packets: 471901903
     rx_65_to_127_byte_packets: 1450981804
     rx_128_to_255_byte_packets: 2650159709
     rx_256_to_511_byte_packets: 1357899945
     rx_512_to_1023_byte_packets: 1532308021
     rx_1024_to_1522_byte_packets: 3447979698
     rx_1523_to_9022_byte_packets: 0
     tx_64_byte_packets: 4869954624
     tx_65_to_127_byte_packets: 4402319115
     tx_128_to_255_byte_packets: 2135688428
     tx_256_to_511_byte_packets: 882853317
     tx_512_to_1023_byte_packets: 1825795055
     tx_1024_to_1522_byte_packets: 1780843904
     tx_1523_to_9022_byte_packets: 0
     rx_xon_frames: 0
     rx_xoff_frames: 0
     tx_xon_frames: 0
     tx_xoff_frames: 0
     rx_mac_ctrl_frames: 0
     rx_filtered_packets: 1858009
     rx_ftq_discards: 0
     rx_discards: 0
     rx_fw_discards: 60564057