[c-nsp] Cisco ASR1K ISG - ARP broadcast

[Vitkovský Adam]

> Mihai Tanasescu
> Sent: Saturday, November 15, 2014 11:38 AM
> The problem I have experienced lately consists in the classic effect of a ping
> sweep on the whole subnet assigned on the ISG interface.
> It triggers a "storm" of "arp who has <ip> tell <ip ISG> " messages that I
> would like to limit/not see being emitted by the ISG.

Hi Mihai,

Should the GW respond to the ARP requests to addresses from a local subnet? It doesn't seem right. Is it a property of the PPPoE setup? 
Well maybe you could police the ARP traffic coming from subscribers? 

adam