Netgear XCM8806 - 8800 SERIES 6-SLOT CHASSIS SWITCH ユーザーズマニュアル

configure Personnel ipaddress 192.207.36.1

configure rip add vlan Finance

configure rip add vlan Personnel

enable ipforwarding

enable rip

Proxy ARP

Proxy Address Resolution Protocol (ARP) was first invented so that ARP-capable devices 
could respond to ARP request packets on behalf of ARP-incapable devices. Proxy ARP can 
also be used to achieve router redundancy and to simplify IP client configuration. The switch 
supports proxy ARP for this type of network configuration. The section describes some 
examples of using proxy ARP with the switch.

ARP-Incapable Devices

To configure the switch to respond to ARP requests on behalf of devices that are incapable of 
doing so, you must configure the IP address and MAC address of the ARP-incapable device 
using the following command:

configure iparp add proxy [<ipNetmask> | <ip_addr> {<mask>}] {vr <vr_name>} 

{<mac> | vrrp} {always}

After it is configured, the system responds to ARP requests on behalf of the device as long as 
the following conditions are satisfied:

The valid IP ARP request is received on a router interface.

The target IP address matches the IP address configured in the proxy ARP table.

The proxy ARP table entry indicates that the system should answer this ARP request, 

based on the ingress VLAN and whether the 

always

 parameter is set. When the 

always

 

option is set, the switch always responds to the ARP request even when the ARP 
requester is on the same subnet as the requested host. If the 

always

 option is not set, the 

switch only answers if the ARP request comes in from a VLAN that is not on the same 
subnet as the requested host.

When all the proxy ARP conditions are met, the switch formulates an ARP response using 
one of the following MAC addresses:

A specific MAC address specified with the 

<mac>

 option

The VRRP virtual MAC address when the 

vrrp

 option is specified and the request is 

received on a VLAN that is running VRRP.

The switch MAC address when neither of the above options applies.