[97000] in RedHat Linux List
RE: Ping return for down hosts
daemon@ATHENA.MIT.EDU (Charles Galpin)
Fri Oct 30 14:41:56 1998
Date: Fri, 30 Oct 1998 14:44:56 -0500
From: Charles Galpin <cgalpin@lighthouse-software.com>
To: Thomas Gaume <redhat-list@redhat.com>
Resent-From: redhat-list@redhat.com
Reply-To: redhat-list@redhat.com
===== Original Message from Thomas Gaume <redhat-list@redhat.com> at
10/30/98 2:19 pm
>I have a problem, I need to find a script/program that will take a block
>of IP addresses and answer ICMP ping request for those addresses if the
>hosts is not available. The reason for this is we are an ISP and must
>show consistant 80% usage of our assigned IP addresses at any time.
>This program should just basically capture the ping request and check if
>the host is answering, if not then answer for it.
>
>I am not a programmer so writing this could eat up alot of my time and I
>basically have no idea where to start.
Just a thought. If you are doing this because you truly are not using a
large block of addresses ( versus from a pool used for dynamic assignment),
point them all to a little 386 or something that just answers pings. When
you need the address, just change the DNS entry for that IP.
I don't know how hard it would be to switch freed dynamically assigned IPs
between the ping box and new connections.
-- Charles Galpin <cgalpin@lighthouse-software.com>
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