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How to fix the router configuration problem ?

Posted on 1998-11-23
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Last Modified: 2008-02-26
We have a Netware 3.12 server running with diskless client using bootprom. Oringinally, we have several network card, each connected to an individual coax cable circuit. It is working fine.

But now we switch to a single circuit using hubs and twisted pair cabling system such that all nodes are joined within a single circuit and a single network card.
Then an error message comes up : "1.1.112 Router Configuration error detected. Router at node 00C0A85007B5 claims network 0000000A should be 00000001" and the server beeps continuously. The system is working though.
What does the error message mean and how to fix that?

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Question by:man_15
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by:brosenb0
ID: 1594155
With the original coax configuration, you had multiple NICs installed in the server.  Each of the segments connected to each NIC had its own IPX network number.  Now that you have consolidated your multiple coax segments into a single hub / UTP segment, you have one IPX network number, and looking at the above error this new segment's address is 0000000A.

Every device which is capable of routing IPX frames has to be configured for the IPX networks to which it is attached.  What you have is a device other than your 3.12 server that is connected to your new segment but still configured for one of the old segments.  What your are seeing is a RIP (Route Information Protocol) error indicating that two IPX routers disagree on the network address of a common segment.  All NetWare 3.x - 4.x servers behave as IPX routers.

When you locate the device you should change the IPX address bound to its NIC to 0000000A.  Look for another NetWare server, a WinNT server running File & Print for NetWare or a dedicated router.

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by:jlassen
ID: 1594156
brosenb0 is correct. Additionally, print servers are notorious RIP sources. If you have, say, HP JetDirect cards, you have to power them off (all of them), otherwise the erroneous routing table will be replicated from one print server to the other. Once you have done this, at your server console prompt, type reset router <enter>. This should clear the console messages.
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by:man_15
ID: 1594157
brosenb0,

I shut down all the other servers and all other machines except the one in question.
The same error still comes up and the machine still beeps as before.
I think the router problem comes from the server itself.

But how to fix it. Help !!
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jlassen earned 150 total points
ID: 1594158
Did you shut down network printers, too?
Did you type reset router at the server console?
Are you connected to a WAN via a router (i.e. Cisco, etc.)?
One of these MUST be the source of the RIP broadcasts.

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by:brosenb0
ID: 1594159
The answer lies herein,

Router at node 00C0A85007B5 claims network 0000000A should be 00000001

This tells us that the device with the MAC address (ie. the physical address assigned to the network adapter) 00C0A85007B5 is claiming the IPX network address is different from your server.  You have to track down this device and either reconfigure or eradicate it.  I'll bet my left one this is not the MAC address of your server.  Verify the servers MAC address by entering <Config> at the server console and note the node address assigned to your network adapter.
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Expert Comment

by:jlassen
ID: 1594160
Just a thought. Did you leave any of the old N.I.C.'s in the server? As a test, disconnect the UTP cable from your server. Make sure there are no network connections to the server. If the problem does not go away, I'll bet you have more than one N.I.C. in the server. Also, you are still binding IPX to its driver in your autoexec.ncf. Removing the load and bind commands will stop the messages. It would be good practice to remove the card as well.
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by:man_15
ID: 1594161
I shut down all the machines including HP Jetdirect printer. Then reset router.
It work.
Thank you!
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