Cisco Catalyst 3550 User Manual

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Catalyst 3550 Multilayer Switch Command Reference
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Chapter 2 Catalyst 3550 Switch Cisco IOS Commands
permit (ARP access-list configuration)
Command History
Usage Guidelines You can add permit clauses to forward ARP packets based on some matching criteria.
Examples This example shows how to define an ARP access list and to permit both ARP requests and ARP
responses from a host with an IP address of 1.1.1.1 and a MAC address of 0000.0000.abcd:
Switch(config)# arp access-list static-hosts
Switch(config-arp-nacl)# permit ip host 1.1.1.1 mac host 0000.0000.abcd
Switch(config-arp-nacl)# end
You can verify your settings by entering the show arp access-list privileged EXEC command.
Related Commands
Release Modification
12.2(25)SEA This command was introduced.
Command Description
arp access-list Defines an ARP ACL.
deny (ARP access-list
configuration)
Denies an ARP packet based on matches against the DHCP bindings.
ip arp inspection filter vlan Permits ARP requests and responses from a host configured with a
static IP address.
show arp access-list Displays detailed information about ARP access lists.

Cisco Catalyst 3550 Specifications

General

Category	Switch
QoS	Yes
Form Factor	Rack-mountable
Manageable	Yes
RAM	64 MB
Model	Catalyst 3550
Uplink Ports	2 x GBIC (Gigabit Interface Converter) or SFP (Small Form-factor Pluggable)
Layer Support	Layer 3
VLAN Support	Yes
MAC Address Table Size	12000 entries
Routing Protocol	EIGRP
Features	QoS
Operating Temperature	32 to 113°F (0 to 45°C)
Operating Humidity	10 - 95% (non-condensing)
Ports	24 or 48 10/100 ports