Brocade Virtual ADX Installation and Deployment Guide (Supporting ADX v03.1.00) - Manual (Page 23)

To display information about a specific interface, enter a command such as the following:
Virtual ADX# show interface 6
10GigabitEthernet6 is up, line protocol is up
MAC address is 000c.29e9.ee22 (bia 000c.29e9.ee22)
Configured speed auto, actual 10Gbit, configured duplex fdx, actual fdx
Member of L2 VLAN ID 1, port is untagged, port state is FORWARDING
STP configured to ON, priority is level0, flow control enabled
mirror disabled, monitor disabled
Not member of any active trunks
Not member of any configured trunks
No port name
MTU 1500 bytes, encapsulation ethernet
IPv6 is disabled
300 second input rate: 0 bits/sec, 0 packets/sec, 0.00% utilization
300 second output rate: 0 bits/sec, 0 packets/sec, 0.00% utilization
2 packets input, 120 bytes, 0 no buffer
Received 0 broadcasts, 0 multicasts, 2 unicasts
0 input errors, 0 CRC, 0 frame, 0 ignored
0 runts, 0 giants, DMA received 2 packets
0 packets output, 0 bytes, 0 underruns
Transmitted 0 broadcasts, 0 multicasts, 0 unicasts
0 output errors, 0 collisions, DMA transmitted 0 packets
TCP checksum offload
TCP checksum offload improves performance by offloading hardware checksum calculation to the
network adapter.
This functionality is disabled by default as not all network adapters support the checksum calculation.
Once you have determined that your network adapter supports the checksum calculation, you can
enable the functionality on the Brocade Virtual ADX to further optimize performance.
NOTE
For details of where checksum calculation is performed, when virtual and physical NICs have different
TCP checksum offload settings, refer to the hypervisor documentation.
Hardware checksum offload process
The hardware checksum offload process is depicted in the following figure.
TCP checksum offload
Brocade Virtual ADX Installation and Deployment Guide 23
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