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Server dropping connections

By ad1082 ·
Runnning Netware 5.1 with latest patches. On Thursday Jan 29th @ 12noon our network was hit with a 20mg spike and all **** broke loose. My users are dropping connections. I contact campus network control they say its server side problem. I then ran dsrepair, vrepair found no errors. Replaced network card and cable went to all floors and logged in fine saw all volumes could access all directories. Went to web and could login to my 5.1 server no problem. All lights green for server health. Close up went home tried to go to weblogin again and page could not be found. Tried to ping gateway from home time out tried to ping server timed out again called network control they said they could ping the gateway but not the server any help is appreicated

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by mshultz In reply to Server dropping connectio ...

If it's not specific users, it could be one of the following.

If the connection outside the subnet are being dropped, it could be a faulty router or cabling.

If the problem are connections inside the subnet too, it could be a faulty crimp, faulty punch, faulty cable, or just a faulty connection somewhere.

If only a few users are having this problem, it is probably a software problem.

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by ad1082 In reply to

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by Joseph Moore In reply to Server dropping connectio ...

There has been network congestion due to the MyDoom virus. So many e-mails going around from it is slowing things down.
Could you see if an extraordinary amount of mail came into the campus mail servers at that time?
I have read on how places get so much of the virus mail that their bandwidth gets choked off.

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by pgm554 In reply to Server dropping connectio ...

Go to monitor and check LAN/WAN statistics.

Look for CRC errors, retransmits, collisions.

As for your pinging problems,do you have a static route configured to the gateway in inetcfg?

No route ,no ping.

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by pgm554 In reply to

In a pure ip enviornment ,M$ gateway for Netware services will not work unless ipx is present on the network(discovery done by RIP/SAP).

NW 5.x and above use SLP for discovery in a pure ip setting (along with a DA if you are going through a router and different subnets).

You need to use the Novell client in a pure ip setting.

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by pgm554 In reply to

Oh,by the way...
Gateway for Netware services is a piece of garbage .
Use the Novell client by Novell (last release was 4.9 sp1).

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by pgm554 In reply to

The Novell client can be loaded on the W2K boxes with no issues. It is the only way I would recommend to talk to the Novell file servers.

If you are in a pure IP environment, discovery by SLP is done through a broadcast by the client looking for services (file servers, print servers).This only works if ALL of the client machines are on the same subnet and do not cross a router.

If you are crossing a router or different subnet, you must create a directory agent (DA) on your Novell box. At the server consol type in SLPDA, it will prompt you to create a DA, accept all the defaults. Edit your autoexec.ncf to load SLPDA ,if and when the server is bounced.

Once created, you must make the Novell client aware of where the DA is.

To do this, you must go into the Novell client properties, look for the service location tab, and put in the IP address of the DA (your Novell file server) and add it .I would check the static box if you just want a unicast (less traffic) or leave it unchecked (multicast).

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by pgm554 In reply to

As for the IPX thing, if you don't have ipx bound to the Novell file server,clients not using IP/SLP discovery method will not be able to see the Novell services.

As it stands right now ,the M$ client services are not able to use SLP as a discovery method.

So, to use M$ client services, IPX MUST be bound to the Novell file server.

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