19
blackhole MAC address entry, delete the entry. To delete the blackhole MAC address entry,
execute the
undo mac-address blackhole
mac
-
address
vlan
vlan
-
id
command.
{
Rate limit
—Execute the
display qos lr interface
command to display the rate limit configuration
on the port. If rate limit is configured on the port, make sure the committed information rate (CIR)
and the committed burst size (CBS) are appropriate. To adjust the CIR and CBS values, execute
the
qos lr
{
inbound
|
outbound
}
cir
committed-information-rate
[
cbs
committed-burst-size
]
command.
{
Storm suppression
—Execute the
display this
command in Ethernet interface view to display the
configuration of storm suppression. Storm suppression includes broadcast suppression,
multicast suppression, and unknown unicast suppression. To adjust the suppression thresholds,
execute the
broadcast-suppression
,
multicast-suppression
, and
unicast-suppression
commands, respectively.
5.
Verify that no congestion occurs by using the
display qos queue-statistics interface
command.
If congestion occurs, locate and solve the problem by referencing related congestion management
documents.
6.
If the problem persists, contact H3C Support.
Related commands
This section lists the commands that you might use for troubleshooting Layer 2 packet loss failure.
Command
Description
display interface
Displays Ethernet interface information.
display packet-filter
Displays whether an ACL has been successfully
applied to an interface for packet filtering.
display qos policy
Displays user-defined QoS policy configuration
information.
display qos policy interface
Displays information about the QoS policies applied
to an interface or all interfaces.
display qos vlan-policy
Displays information about QoS policies applied to
VLANs.
display qos policy global
Displays information about global QoS policies.
display this
Displays the running configuration in the current
view.
display ip source binding/display ipv6 source binding
Displays source guard binding entries.
display portal interface
Displays the portal configuration of an interface.
display dot1x
Displays information about 802.1X.
display mac-forced-forwarding vlan
Displays the MFF configuration information of a
VLAN.
display link-aggregation verbose
Displays detailed information about the aggregation
groups that correspond to the aggregate interfaces.
display rrpp verbose
Displays detailed RRPP information.
display smart-link group
Displays information about the specified or all smart
link groups.