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Raisecom
ISCOM2600G-HI (A) Series Configuration Guide
Overwrite
Format-rules :binary
Remote-ID
Circuit-ID
Port
State
Overwrite
Format-rules :binary
10.10 Configuring CPU protection
10.10.1 Preparing for configurations
Scenario
When the ISCOM2600G-HI series switch receives massive attacking packets in a short period,
the CPU will run with full load and the CPU utilization rate will reach 100%. This will cause
device malfunction. CPU CAR helps efficiently limit the speed of packets which enters the
CPU.
Prerequisite
N/A
10.10.2 Configuring global CPU CAR
1
2
3
4
10.10.3 Checking configurations
Use the following commands to check configuration results.
:disable
:switch-mac
:%default%
:gigaethernet1/1/3
:disable
:disable
Step
Raisecom#config
Raisecom(config)#cpu-protect car
{ arp | dhcp | global | icmp | igmp
| bpdu } { kbps cir
pps
pps value
Raisecom(config)#cpu-protect car
time
period
Raisecom(config)#cpu-protect car
trap { enable | disable }
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Command
cir
cbs
cbs
}
Description
Enter global configuration mode.
Configure the protocol type,
CIR, and CBS of global CPU
|
packet protection.
Configure the restoration time.
Use the no form of this
command to delete the
configuration.
Enable or disable global CPU
packet protection Trap.
10 Security
452
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