Connectivity Guide

Supported
Releases
10.3.0E or later
ip arp
Configures static ARP and maps the IP address of the neighbor to a MAC address.
Syntax
ip arp mac-address
Parameters mac-address — Enter the MAC address of the IP neighbor in A.B.C.D format.
Default Not configured
Command Mode INTERFACE
Usage
Information
Do not use Class D (multicast) or Class E (reserved) IP addresses. Zero MAC addresses
(00:00:00:00:00:00) are invalid. The no version of this command disables the IP ARP configuration.
Example
OS10(conf-if-eth1/1/6)# ip arp 10.1.1.5 08:00:20:b7:bd:32
Supported
Releases
10.2.0E or later
ip arp gratuitous
Enables an interface to receive or send gratuitous ARP requests and updates.
Syntax
ip arp gratuitous {update | request}
Parameters
● update — Specify to enable or disable ARP cache updates for gratuitous ARP.
● request — Specify to enable or disable sending gratuitous ARP requests when duplicate address is
detected.
Default Not configured
Command Mode CONFIG-INTERFACE
Usage
Information
When a reply to a gratuitous ARP request is received, it indicates an IP address conflict in the network.
The no version of this command disables the ARP cache updates for gratuitous ARP.
Example
OS10(conf-if-eth1/1/6)# ip arp gratuitous update
OS10(conf-if-eth1/1/6)# ip arp gratuitous request
Supported
Releases
10.2.0E or later
ip route
Assigns a static route on the network device.
Syntax
ip route [dst-vrf vrf-name] ip-prefix mask {next-hop | interface interface-
type [route-preference]}
Parameters
● dst-vrf vrf-name — (Optional) Enter vrf and then the name of the VRF to configure a static
route corresponding to that VRF. Use this VRF option after the ip route keyword to configure a
static route on that specific VRF.
● ip-prefix — Enter the IP prefix in dotted decimal A.B.C.D format.
● mask — Enter the mask in slash prefix-length /x format.
● next-hop — Enter the next-hop IP address in dotted decimal A.B.C.D format.
● interface interface-type — Enter the interface type and interface information. The interface
types supported are: Ethernet, port-channel, VLAN, and Null.
● route-preference — (Optional) Enter the range, from 1 to 255.
484 Layer 3