arp fails to clear mapping for deleted network

[Li, Qing]

> 
> Yes, your patch fixes the problem.
> 

Okay, I will commit the patch. 

> 
> While you're at it and if it's not too much to ask, could you
> also check proxy-arp?
> 

Could you please email me your netstat output, privately ?

Thanks,

-- Qing


> For example:
> arp -s 192.168.254.250 auto pub
> > 15:16:56.497270 08:00:27:49:d9:5e > ff:ff:ff:ff:ff:ff, ethertype ARP
> (0x0806), length 42: Request who-has 192.168.254.250 tell
> 192.168.254.250, length 28
> But, when a request for 192.168.254.250 comes in, it doesn't
> reply
> > 15:17:04.902291 00:18:d1:e4:ee:29 > ff:ff:ff:ff:ff:ff, ethertype ARP
> (0x0806), length 60: Request who-has 192.168.254.250 tell
> 192.168.254.254, length 46
> 
> Thanks, Nikos