[c-nsp] Disable ARP

[Alex A. Pavlenko]

>arp authorized is IMHO proper command for disabling ARP learning on
>(sub)interface....
>
>From documentation:
>To disable dynamic Address Resolution Protocol (ARP) learning on an
>interface, use the arp authorized command in interface configuration
>mode. To reenable dynamic ARP learning, use the no form of this command.
>

Dan,
it looks like what I discover. However it is very strange that this feature
appeared only in 12.4, especially considering the fact that such a technique
is typical for the last century. I did not see arp authorized command on my
7301 since it runs 12.3 IOS.

Alex. 
>
>Gert Doering wrote:
>> Hi,
>> 
>> On Fri, Aug 25, 2006 at 10:42:52AM +0200, Suchy Daniel wrote:
>>> On my 7301...
>>>
>>> router1(config)#int gi0/2.100
>>> router1(config-subif)#no arp ?
>>>   authorized   Only allow internal authorized ARP entry
>>>   frame-relay  Enable ARP for a frame relay interface
>>>   probe        Set ARP probe parameters
>>>   timeout      Set ARP cache timeout
>> 
>> Doesn't look like you can switch off ARP that way.  That's just to
>> clear specific ARP settings.
>> 
>> gert