Show Ip Arp Inspection - Cisco Catalyst 3550 Command Reference Manual

Chapter 2 Catalyst 3550 Switch Cisco IOS Commands

show ip arp inspection

Use the show ip arp inspection privileged EXEC command to display the configuration and the
operating state of dynamic Address Resolution Protocol (ARP) inspection or the status of this feature
for all VLANs or for the specified interface or VLAN.
Syntax Description interfaces [interface-id]
log
statistics [vlan vlan-range]
vlan vlan-range
| begin
| exclude
| include
expression
Command Modes Privileged EXEC
Command History Release
12.2(25)SEA
Usage Guidelines Expressions are case sensitive. For example, if you enter | exclude output, the lines that contain output
are not displayed, but the lines that contain Output are displayed.
OL-8566-01
show ip arp inspection [interfaces [interface-id] | log | statistics [vlan vlan-range] | vlan
vlan-range] [ | {begin | exclude | include} expression]
Modification
This command was introduced.
(Optional) Display the trust state and the rate limit of ARP packets for
the specified interface or all interfaces. Valid interfaces include
physical ports and port channels.
(Optional) Display the configuration and contents of the dynamic
ARP inspection log buffer.
(Optional) Display statistics for forwarded, dropped, MAC validation
failure, IP validation failure, access control list (ACL) permitted and
denied, and DHCP permitted and denied packets for the specified
VLAN. If no VLANs are specified or if a range is specified, display
information only for VLANs with dynamic ARP inspection enabled
(active).
You can specify a single VLAN identified by VLAN ID number, a
range of VLANs separated by a hyphen, or a series of VLANs
separated by a comma. The range is 1 to 4094.
(Optional) Display the configuration and the operating state of
dynamic ARP inspection for the specified VLAN. If no VLANs are
specified or if a range is specified, display information only for
VLANs with dynamic ARP inspection enabled (active).
You can specify a single VLAN identified by VLAN ID number, a
range of VLANs separated by a hyphen, or a series of VLANs
separated by a comma. The range is 1 to 4094.
(Optional) Display begins with the line that matches the expression.
(Optional) Display excludes lines that match the expression.
(Optional) Display includes lines that match the specified expression.
Expression in the output to use as a reference point.
Catalyst 3550 Multilayer Switch Command Reference
show ip arp inspection
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