Chapter 24: General Security Measures
ARP Inspection
– 876 –
This section describes commands used to configure ARP Inspection.
ip arp inspection
This command enables ARP Inspection globally on the switch. Use the
no
form to disable this function.
S
YNTAX
[
no
]
ip arp inspection
D
EFAULT
S
ETTING
Disabled
C
OMMAND
M
ODE
Global Configuration
C
OMMAND
U
SAGE
•
When ARP Inspection is enabled globally with this command, it
becomes active only on those VLANs where it has been enabled with
the
command.
•
When ARP Inspection is enabled globally and enabled on selected
VLANs, all ARP request and reply packets on those VLANs are
redirected to the CPU and their switching is handled by the ARP
Inspection engine.
Table 24-12: ARP Inspection Commands
Command
Function
Mode
Enables ARP Inspection globally on the switch
GC
Specifies an ARP ACL to apply to one or more VLANs GC
Sets the maximum number of entries saved in a log
message, and the rate at these messages are sent
GC
Specifies additional validation of address
components in an ARP packet
GC
Enables ARP Inspection for a specified VLAN or range
of VLANs
GC
Sets a rate limit for the ARP packets received on a
port
IC
Sets a port as trusted, and thus exempted from ARP
Inspection
IC
Displays the global configuration settings for ARP
Inspection
PE
Shows the trust status and inspection rate limit for
ports
PE
Shows information about entries stored in the log,
including the associated VLAN, port, and address
components
PE
Shows statistics about the number of ARP packets
processed, or dropped for various reasons
PE
Shows configuration setting for VLANs, including ARP
Inspection status, the ARP ACL name, and if the
DHCP Snooping database is used after ACL validation
is completed
PE
Summary of Contents for SSE-G2252
Page 42: ...44 General IP Routing on page 627...
Page 603: ...Chapter 16 IP Configuration Setting the Switch s IP Address IP Version 6 609...
Page 883: ...Chapter 24 General Security Measures Port based Traffic Segmentation 894...
Page 989: ...Chapter 30 Congestion Control Commands Automatic Traffic Control Commands 1000 Console...
Page 1007: ...Chapter 33 Address Table Commands 1019...
Page 1137: ...Chapter 38 Quality of Service Commands 1150...