• Subject: Re: More TCP/IP questions
  • From: Larry Bolhuis <lbolhuis@xxxxxxxxxx>
  • Date: Mon, 13 Nov 2000 14:53:54 -0500
  • Organization: Arbor Solutions, Inc

IP Addresses in range 224 are broadcast addresses. IP Protocols like
OSPF use this address range to inform all other hosts on the network
without having to inform each of them specifically.

224.0.0.2 is used for Hot Standby Router Protocol.  I can't see why the
AS/400 would want to have this address assigned.

 - Larry

Jon.Paris@hal.it wrote:
> 
> While further investigating our problems with ping, we were looking at the
> AS/400 TCP configuration and noticed a couple of entries for IP address
> 224.0.0.2 - didn't think much more about it (just assumed they some funny
> internal address used by WebSphere or something) but then the firewall just
> reported an IP spoofing attempt that was aimed at port 10 at the 224.0.0.2
> address.
> 
> Does any of this ring any bells with anyone?  We are running OS/400 V4R4
> with WebSphere and Domino as well as our regular AS/400 stuff.
> 
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-- 
Larry Bolhuis
Arbor Solutions, Inc.
(616) 451-2500
(616) 451-2571 -fax
lbolhuis@arbsol.com
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