Nortel 450-24t 用户指南
Using the Console Interface
309978-D Rev 01
3-77
Table 3-27 describes the Rate Limiting Configuration screen fields.
Table 3-27.
Rate Limiting Configuration Screen Fields
Field
Description
Unit
Appears only if the switch is participating in a stack configuration. The field allows
you to select the number of the unit you want to view or configure. To view or
configure another unit, type its unit number and press [Enter], or press the
spacebar on your keyboard to toggle the unit numbers.
you to select the number of the unit you want to view or configure. To view or
configure another unit, type its unit number and press [Enter], or press the
spacebar on your keyboard to toggle the unit numbers.
Port
Indicates the switch port numbers that correspond to the field values in that row of
the screen (for example, the field values in row 2 apply to switch port 2). Note that
the values applied in the Switch or Stack row (last 2 rows) affect all standalone
switch ports or all switch ports in a stack.
the screen (for example, the field values in row 2 apply to switch port 2). Note that
the values applied in the Switch or Stack row (last 2 rows) affect all standalone
switch ports or all switch ports in a stack.
Packet Type
Allows you to select the packet types for rate limiting or viewing.
Default
Both
Range
Both, Multicast, Broadcast
Limit
Sets the percentage of port bandwidth allowed for forwarding the packet types
specified in the Packet Type field. When the threshold is exceeded, any additional
packets (specified in the Packet Type field) are discarded
specified in the Packet Type field. When the threshold is exceeded, any additional
packets (specified in the Packet Type field) are discarded
1
.
1
Rate limiting is disabled if this field is set to None. This allows you to select and view the percentage of specific packet
types present in the network, without inadvertently limiting the forwarding rate.
types present in the network, without inadvertently limiting the forwarding rate.
Default
None
Range
None, 10%, 9%, 8%, 7%, 6%, 5%, 4%, 3%, 2%, 1%
Last 5 Minutes
This read-only field indicates the percentage of packets (of the type specified in
the Packet Type field) the port received in the last 5 minutes. This field provides a
running average of network activity and is updated every 15 seconds.
the Packet Type field) the port received in the last 5 minutes. This field provides a
running average of network activity and is updated every 15 seconds.
Note that this field indicates the receiving port’s view of network activity,
regardless of the rate-limiting setting.
regardless of the rate-limiting setting.
Last Hour
This read-only field indicates the percentage of packets (of the type specified in
the Packet Type field) the port received in the last 60 minutes. This field provides a
running average of network activity and is updated every 5 minutes.
the Packet Type field) the port received in the last 60 minutes. This field provides a
running average of network activity and is updated every 5 minutes.
Note that this field indicates the receiving port’s view of network activity,
regardless of the rate-limiting setting.
regardless of the rate-limiting setting.
Last 24 Hours
This read-only field indicates the percentage of packets (of the type specified in
the Packet Type field) the port received in the last 24 hours. This field provides a
running average of network activity and is updated every hour.
the Packet Type field) the port received in the last 24 hours. This field provides a
running average of network activity and is updated every hour.
Note that this field indicates the receiving port’s view of network activity,
regardless of the rate-limiting setting.
regardless of the rate-limiting setting.