unknown-unicast-suppression (BD view)

Function

The unknown-unicast-suppression command enables unknown unicast traffic suppression in a BD.

The undo unknown-unicast-suppression command disables unknown unicast traffic suppression in a BD.

By default, unknown unicast traffic suppression is disabled in a BD.

Format

unknown-unicast-suppression cir cir-value [ cbs cbs-value ]

undo unknown-unicast-suppression

Parameters

Parameter	Description	Value
cir cir-value	Specifies the committed information rate (CIR), which is the allowed rate at which traffic can pass through.	The value is an integer that ranges from 0 to 10000000, in kbit/s.
cbs cbs-value	Specifies the committed burst size (CBS), which is the maximum size of traffic that can pass through.	The value is an integer that ranges from 10000 to 4294967295, in bytes.

Views

BD view

Default Level

2: Configuration level

Usage Guidelines

When a large number of unknown unicast packets are transmitted on the network, a lot of network resources are occupied, and services on the network are affected. You can run the unknown-unicast-suppression command to enable unknown unicast traffic suppression in a BD and configure the maximum number of unknown unicast packets that can pass through a BD. When the unknown unicast traffic volume exceeds the specified threshold, the system discards excess unknown unicast packets.

Example

# Set the CIR value for unknown unicast traffic in BD 10 to 100 kbit/s.

<HUAWEI> system-view
[HUAWEI] bridge-domain 10
[HUAWEI-bd10] unknown-unicast-suppression cir 100