Brent,
First, I would recommend running CONFIG/SUMMARY in NETTOOL to make sure you didn't leave a definition of that gateway somewhere.  If it doesn't show up, the only way I know of for getting unconfigured gateways into the table is to receive ICMP redirect messages.  It could be that some router somewhere on your network has not been reconfigured for the new gateway address (or hasn't had its cache flushed) and is sending redirects to you.  Until you find the source of those redirects, if that is what is happening, use the GATEDOWN command in NETTOOL to disable the 44 gateway.
 
John Clogg> Date: Thu, 16 Aug 2007 08:07:30 -0400> From: [log in to unmask]> Subject: [HP3000-L] nettool question> To: [log in to unmask]> > We just changed to an MPLS line for Internet and branch office > communications and were force to change our Gateway IP. I made the change > on the 3000 for LAN1 Internet and brought the system down and back up. I > went into NETTOOL and did a gateway list which shows 13 as the new default > and 60 and 27 as active. These addition IP's are connections to suppliers an > are closed links. I did a ROUTING list and the addresses attached to the 60 > and 27 gateways were all that were listed. I thought all was good.> > Not so, couple of hours later I go back into NETTOOL list the gateways and > the old Gateway shows (44). So I go to ROUTING and 4 IP blocks show up > pointing to the old gateway 44. These blocks (64.0.0.0, 74.0.0.0, 206.45.95.0 > and 192.168.45.0) have no reference in our network.> > My question(s), how do they get into the table, are they or could they be a > threat and how can I remove them or block more.> > Gateway IP Hops Flags Active Default Gateway > ______________________________________________________________> 10.103.202.13 1 0 y y > 10.103.202.60 0 0 y n > 204.101.124.27 0 0 y n > 10.103.202.44 0 0 y n > ______________________________________________________________> > Total number of gateways = 4> [4]NAMEADDR.ROUTING>>>ROUTING> Network address filter: @> Gateway address filter: @> > Network number Subnet mask Gateway Hops Flags > ______________________________________________________________> 64.69.207.136 255.255.255.252 204.101.124.27 3 0> 64.0.0.0 255.0.0.0 10.103.202.44 0 0> 74.0.0.0 255.0.0.0 10.103.202.44 0 0> 128.212.0.0 255.255.0.0 10.103.202.60 1 0> 167.18.0.0 255.255.0.0 10.103.202.60 1 0> 172.20.0.0 255.255.0.0 10.103.202.60 1 0> 192.168.45.0 255.255.255.0 10.103.202.44 0 0> 199.85.3.0 255.255.255.0 204.101.124.27 3 0> 206.45.95.0 255.255.255.0 10.103.202.44 0 0> 207.134.142.0 255.255.255.0 204.101.124.27 3 0> 216.240.234.0 255.255.255.0 204.101.124.27 3 0> ______________________________________________________________> > Total number of routings = 11> [5]NAMEADDR.ROUTING>>> > > * To join/leave the list, search archives, change list settings, *> * etc., please visit http://raven.utc.edu/archives/hp3000-l.html *
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