[NCLUG] ARP entries

[Sean Reifschneider]

On Mon, Feb 05, 2001 at 09:02:57PM -0700, Charles Clarke wrote:
>Is there someway in Linux to tell machines on the network to clear out
>certain ARP entries?  Or do I have to wait for the cached entries to time
>out(how long is that normally anyway?)
>
>I'm trying to have my backup server stop serving sites so the main one can
>take back over when the main server comes back on-line. 

Look at linux-ha.org.  In the code for it includes "sendarp", which is easy
to compile and works quite nicely.  I use it when we move IPs from one
machine to another, and need to get the router to wake up.

Look at the rest of Alan's code too -- it'll handle the migration of
the IP between machines for you.

Sean
-- 
 Your liver pays dearly now for youthful magic moments, 
 But rock on completely with some brand new components.  -- Cake
Sean Reifschneider, Inimitably Superfluous <jafo at tummy.com>
tummy.com - Linux Consulting since 1995. Qmail, KRUD, Firewalls, Python