Cisco Catalyst 3750 User Manual

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Catalyst 3750 Switch Command Reference
OL-8552-07
Chapter 2 Catalyst 3750 Switch Cisco IOS Commands
show ip arp inspection
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.
show ip arp inspection [interfaces [interface-id] | log | statistics [vlan vlan-range] | vlan
vlan-range] [ | {begin | exclude | include} expression]
Syntax Description
Command Modes Privileged EXEC
Command History
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.
interfaces [interface-id] (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.
log (Optional) Display the configuration and contents of the dynamic
ARP inspection log buffer.
statistics [vlan vlan-range] (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.
vlan vlan-range (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.
| begin (Optional) Display begins with the line that matches the expression.
| exclude (Optional) Display excludes lines that match the expression.
| include (Optional) Display includes lines that match the specified expression.
expression Expression in the output to use as a reference point.
Release Modification
12.2(20)SE This command was introduced.
12.2(37)SE The output changed to include Probe Logging information.

Cisco Catalyst 3750 Specifications

General

Device Type	Switch
Switching Capacity	32 Gbps
Forwarding Rate	38.7 Mpps
Stacking Bandwidth	32 Gbps
RAM	128 MB
Jumbo Frame Support	Yes
Switch Type	Managed
Model	Catalyst 3750 Series
Uplink Interfaces	SFP
Form Factor	Rack-mountable
MAC Address Table Size	12, 000 entries
Routing Protocol	RIP, OSPF, EIGRP
Remote Management Protocol	SNMP, Telnet, HTTP
Features	Layer 3 switching, Layer 2 switching, auto-negotiation, BOOTP support, ARP support, VLAN support, auto-uplink (auto MDI/MDI-X), IGMP snooping, traffic shaping, MAC address filtering, Quality of Service (QoS), Jumbo Frames support, MLD snooping, Dynamic ARP Inspection (DAI), Cisco EnergyWise technology
Power over Ethernet (PoE)	PoE
Operating Temperature	-5 - 45 °C
Operating Humidity	10% to 85% non-condensing