HP 5820X Series

20
To do… Use the command… Remarks
Display the statistics on the rate of
the packets passing through the
interfaces that are of a specific
type and are in the up state in the
latest sampling interval
display counters rate { inbound | outbound }
interface [ interface-type ] [ | { begin |
exclude | include } regular-expression ]
Available in any view
Display information about
discarded packets on an interface
display packet-drop interface [ interface-type
[ interface-number ] ] [ | { begin | exclude |
include } regular-expression ]
Available in any view
Display summary information
about discarded packets on all
interfaces
display packet-drop summary [ | { begin |
exclude | include } regular-expression ]
Available in any view
Display the information about a
manual port group or all manual
port groups
display port-group manual [ all | name port-
group-name ] [ | { begin | exclude |
include } regular-expression ]
Available in any view
Display the information about the
loopback function
display loopback-detection [ | { begin |
exclude | include } regular-expression ]
Available in any view
Display information about storm
control on interfaces
display storm-constrain [ broadcast |
multicast | unicast ] [ interface interface-type
interface-number ] [ | { begin | exclude |
include } regular-expression ]
Available in any view
Clear the statistics of an interface
reset counters interface [ interface-type
[ interface-number ] ]
Available in user view
Clear the statistics of discarded
packets on an interface
reset packet-drop interface [ interface-type
[ interface-number ] ]
Available in user view
PFC configuration example
Network requirements
As shown in Figure 6,
• Switch A connects to the FCoE HBA of the DC server through Ten-GigabitEthernet 1/0/1, and
connects to Switch B through Ten-GigabitEthernet 1/0/2.
• The 802.1p priority of FCoE packets is 3. Configure the switches to guarantee no packet loss for
FCoE packets forwarded among Switch B, Switch A, and DC server.
Suppose Switch A and Switch B support PFC, and Switch A and DC server support DCBX.
You should also configure DCBX on the port that connects Switch A to the FCoE HBA. This example
describes configuring DCBX to advertise the PFC data. For more information about the functions of DCBX,
see the chapter “LLDP configuration.”
Figure 6 Network diagram for PFC configuration