- How to clear arp cache ?
- How to refresh arp table ?
Asked
Active
Viewed 9,127 times
2 Answers
6
How to refresh arp table ?
You can save ip from arp table:
arp -an | sed -s 's/.*(\([0-9.]*\)).*/\1/' > /tmp/ip_to_arp
And then ping all ip:
for ip in `cat /tmp/ip_to_arp`; do ping -c 1 ${ip}; done
or
for ip in `cat /tmp/ip_to_arp`; do arping -c 1 -I eth0 ${ip}; done
![](../../users/profiles/68346.webp)
alvosu
- 8,357
- 24
- 22
-
Can I use your script in my weblog? http://pahlevanzadeh.org , I write about freesoftware and unix, linux and programming in the freesoftware world.... of course in Persian... – PersianGulf Sep 22 '15 at 23:26