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Hi All! I'm not very familiar with the 800 series routers and I need to make a couple of configuration changes. Unfortunately, I can't seem to find a lot of information on this. This is what I need to do: 1.) Currently the ISP is sending all canonical names to the router. Rather than having to...

Oops- sorry about that! Just saw it there at the top- it's already been listed. :-)

Try www.packetstormsecurity.org

Thank you for your response! It's funny that you should mention a corrupted driver- as it turns out, we recently discovered the exact same culprit. It took a little while to narrow down exactly which one it was, but once we replaced it everything started working just fine again. Thanks again...

Hello! We have been having a strange issue with our Windows NT print server: the help desk gets flooded with calls from people who can't print, so we log on to the server and find that the spooler service has stopped unexpectedly. We get the following error message in the event viewer...

Excellent! Thank you both very much for your help.

STP? Yes- definitely. We already have a fairly good size network- the switches in question are part of only one of our departments, so STP is very important for us!

Thank you for your fast response- I really appreciate it. The other two are each connected to each other and to the router. Could I still attach the new 2900 to one of the original two switches via crossover cable- or does it also need to connect to the router? And does trunking need to be...

We have two 2900 series xl switches, one 12 port and one 24 port. All available ports are now filled and we want to add a third 2900 to give us room to grow. In essence, the third switch needs to act as an extension of the other two. What do I need to do to accomplish that? It's been secured and...

Three questions: 1. Would enabling portfast and disabling spanning tree be redundant? 2. Would disabling spanning tree allow loops to start occurring? 3. And what's the best way to do it?

And would enabling portfast and disabling spanning tree be redundant? Is it necessary to do both? Thank you for the assistance...

But won't disabling spanning tree possibly allow loops to start occurring? What's the best way to do it?

You are correct. And I didn't think that switch had the capability for that, but I wasn't positive. I'm still concerned about the fact that those errors show up on the domain controllers for both the x and y domains. Could that also be caused by an issue on the switch? Someone recommended that...

The one thing that still really concerns me though is the fact that the error message also appears on the domain controllers for both the x and y domains. What would happen if we disabled the spanning tree algorithm?

It's definitely worth a try- thank you. I don't think that's likely either- but I can sure check.

dk87- how do you mean?

My apologies- we have Intel Pro/1000 MT NICs on many of them, but not all. I don't know what the others are specifically. Every machine, however, is having this difficulty.

Every machine displays this problem.

Thank you both; I really appreciate your help. Does portfast need to be on for all ports, or just the one that the domain controller is plugged into? Also, we have several switches with more than one vlan- is there anything we can do in that case?

Hi everyone. We have a problem that we can't figure out- maybe someone here can help us? About two weeks ago, our main switch (a Cisco 2900) blew. We replaced it and reconfigured it, but ever since then we've been experiencing the following problem: when we start up our machines and log on, an...