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Catalyst 3750-X and 3560-X Switch Command Reference
OL-29704-01
Chapter 2 Catalyst 3750-X and 3560-X Switch Cisco IOS Commands
ip sticky-arp (interface configuration)
ip sticky-arp (interface configuration)
Use the ip sticky-arp interface configuration command to enable sticky Address Resolution Protocol
(ARP) on a switch virtual interface (SVI) or a Layer 3 interface. Use the no form of this command to
disable sticky ARP.
ip sticky-arp
no ip sticky-arp
Note This command is not supported on switches running the LAN base feature set.
Syntax Description This command has no arguments or keywords.
Defaults Sticky ARP is enabled on private-VLAN SVIs.
Sticky ARP is disabled on Layer 3 interfaces and normal SVIs.
Command Modes Interface configuration
Command History
Usage Guidelines Sticky ARP entries are those learned on SVIs and Layer 3 interfaces. These entries do not age out.
The ip sticky-arp interface configuration command is only supported on
• Layer 3 interfaces
• SVIs belonging to normal VLANs
• SVIs belonging to private VLANs
On a Layer 3 interface or on an SVI belonging to a normal VLAN
• Use the sticky-arp interface configuration command to enable sticky ARP.
• Use the no sticky-arp interface configuration command to disable sticky ARP.
On private-VLAN SVIs
• When you configure a private VLAN, sticky ARP is enabled on the switch (the default).
If you enter the ip sticky-arp interface configuration command, it does not take effect.
If you enter the no ip sticky-arp interface configuration command, you do not disable sticky ARP
on an interface.
Release Modification
12.2(53)SE2 This command was introduced.
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