Switching
[ Switching > Rate Limiter ]
149
RM GUI GRS
Release
8.0
09/2019
5.2 Rate Limiter
[ Switching > Rate Limiter ]
The device lets you limit the traffic on the ports in order to help provide stable operation even with
a large traffic volume. If the traffic on a port exceeds the traffic value entered, then the device
discards the excess traffic on this port.
The rate limiter function operates only on Layer 2, and is used to limit the effects of storms of data
packets that flood the device (typically Broadcasts).
The rate limiter function ignores protocol information on higher levels, such as IP or TCP.
The dialog contains the following tabs:
[Ingress]
[Egress]
[Ingress]
In this tab, you enable the
Rate Limiter
function. The threshold value specifies the maximum amount
of traffic the port receives. If the traffic on this port exceeds the threshold value, then the device
discards the excess traffic on this port.
Table
Port
Displays the port number.
Threshold
Specifies the threshold value for broadcast, multicast, and unicast traffic on this port:
Possible values:
0
(default setting)
The
Rate Limiter
function is deactivated on this port.
1..24414
at 100 MBit/s
1..244140
at 1000 MBit/s
If the value
percent
is specified in the
Threshold unit
column, then specify a percentage value
between
1
and
100
.
If the value
pps
is specified in the
Threshold unit
column, then specify an absolute value.
The rate limiter function calculates the threshold based on 512-byte-sized packets.
Note: The operating modes actually available depend on the device configuration and the media
module used.
Threshold unit
Specifies the unit for the threshold value:
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