Flood Guard; Mac Flood-Guard; Fig. 8.39 Rate Limit And Flood Guard - SMC Networks 7824M/VSW - annexe 1 Manual

Management Guide
TigerAccess™ EE
8.9
8.9.1
SMC7824M/VSW

Flood Guard

Flood-guard limits number of packets, how many packets can be transmitted, in config-
ured bandwidth, whereas Rate limit controls packets through configuring width of band-
width, which packets pass through. This function prevents receiving packets more than
configured amount without enlarging bandwidth.
<Rate Limit>
Configure Rate Limit on port
Control
bandwidth
Bandwidth
Fig. 8.39 Rate Limit and Flood Guard

MAC Flood-Guard

To configure the number of packets which can be transmitted in a second, use the follow-
ing command.
Command
mac-flood-guard PORTS
<1-6000>
no mac-flood-guard [ PORTS ]
To display a configuration of flood guard, use the following command.
Command
show mac-flood-guard
show mac-flood-guard macs
<Flood Guard>
Configure Flood-guard to
allow packets as many as 'n'
per a second
:
Mode
Limits the number of packets which can be transmitted
to the port for 1 second.
Bridge
Disables a configured flood guard.
Mode
Enable Shows a configured flood guard.
Global
Shows a blocked MAC address.
Bridge
1
2
3
:
'n' packets
allowed for
n
a second
n+1
Packets
over thrown
n+2
away
Description
Description
CLI
343