Alcatel-Lucent OmniSwitch 6250 Cli Reference Manual page 1053

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Table of Contents

enable | disable

forward | no forward

local-proxy-arp | no local-proxy-arp

primary | no primary

Platforms Supported

OmniSwitch 6250

Usage Guidelines

Use the no form of this command to remove an IP interface.

IP multinetting is supported. As a result, it is possible to configure up to eight IP interfaces per VLAN.

Each interface is configured with a different subnet, thus allowing traffic from each configured subnet

to coexist on the same VLAN.

Note that when Local Proxy ARP is enabled for any one IP router interface associated with a VLAN,

the feature is applied to the entire VLAN. It is not necessary to enable it for each interface. However, if

the IP interface that has this feature enabled is moved to another VLAN, Local Proxy ARP is enabled

for the new VLAN and must be enabled on another interface for the old VLAN.

When Local Proxy ARP is enabled, all traffic is routed instead of bridged within the VLAN. ARP

requests return the MAC address of the IP router interface. Note that the same MAC address is

assigned to each interface configured for a VLAN.

Local Proxy ARP takes precedence over any switch-wide ARP or Proxy ARP function. It is not neces-

sary to have Proxy ARP configured in order to use Local Proxy ARP. The two features are indepen-

dent of each other.

By default, the first interface bound to a VLAN becomes the primary interface for that VLAN. Use the

primary keyword with this command to configure a different IP interface as the primary.

To create an IP interface for network management purposes, specify Loopback0 (case sensitive) as the

name of the interface. The Loopback0 interface is not bound to any VLAN, so it will always remain

operationally active.

-> ip interface "Marketing"

-> ip interface "Payroll address" 18.12.6.3 vlan 255

-> ip interface "Human Resources" 10.200.12.101 vlan 500 no forward snap

-> ip interface "Distribution" 11.255.14.102 vlan 500 local-proxy-arp primary

OmniSwitch 6250 CLI Reference Guide

IP address class

none (unbound)

no local-proxy-arp

First interface bound

November 2009