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My problem ended up being that I replaced what was the default gateway with a xincom and for whatever reason, it was causing pings to fail. I can't explain how because first of all, the xincom wasn't set up as the default gateway and even if it was, I didn't think pinging local ip addresses...

I'll posted my capture files to: http://kohlstedt.org/files Feel free to take a look if you want. Maybe you can help me pintpoint which ones could be infected. All of our computers have Symantec Antivirus Corp Edition and it found a couple viruses when we first installed it two months ago, but...

Why do you think it's sasser? According to Symantec it should be pinging multiple addresses looking for new computers to infect. I haven't really seen random pings. Mainly the ones that I've been doing for testing.

I just did a capture using packetyzer. I then went to a station and tried pinging the station that has a shared printer attached to it. I go no reply. I tried pinging a couple other stations, no reply. I could ping the xincom firewall and the cisco router. I then tried pinging that same station...

I'm going to try pasting in some of my ethereal scan. One of the problems people are having is bringing up their printers to choose which one to print to takes forever and then often printing doesn't work. Here's what I believe is that activity in ethereal: Source Destination...

I tried putting in two new unmanaged switches and we still have problems. They'll be able to ping each other just fine and then suddenly, they are unable to. I've captured it in ethereal, now I just need to analyze it and figure out what's going on. I moved 7 stations that work together (ie the...

Static IP addresses, so unless someone messed with their ip settings.... No one has said anything about getting the error message indicating that another computer was detected with the same ip address.

If you really want to seperate them I would do it with a firewall that has multiple interfaces. I personally would use a pc with however many network cards you need depending on how many networks you want to seperate, and then load m0n0wall on it and create rules allowing traffic from each...

Thanks for the ideas, I'll give packetyzer a try. I have tried plugging the 4 computers that use that database into a old 10baseT switch that was laying around. They still had problems pinging after a while. The hard thing here is if I plug two in, they'll be able to ping each other just fine...

I can see in the ethereal log where it tries to ping and is unable to, but I don't see anything that lists a reason why. It says destination unreachable (port unreachable). Later on, it pings the same address successfuly. Is there something in particular I can do to show which host is causing...

I can see in the ethereal log where it tries to ping and is unable to, but I don't see anything that lists a reason why. It says destination unreachable (port unreachable). Later on, it pings the same address successfuly. Is there something in particular I can do to show which host is causing...

Any tips for using ethereal? I've got everything plugged into 3 hubs. Any filters I should apply so I'm not looking at so much data?

We have a small lan with about 25 stations on a peer to peer network. Lately, we've been having problems with slowness and printing to shared network printers etc. After some troubleshooting it seems that what's happening is that stations are unable to even ping other stations for a period of...

I know what you're saying and I get your point. However, I'm not sure how much money I need to sink into a lot of these tools as it's not the main part of my job. I am considering a Fluke Microscanner Pro as it looks like a very good piece of equipment. The cost isn't too bad either. So, I...

I have recently started doing more cat-5e cable installation. I also have to troubleshoot cable issues from time to time. So, I thought it may be time to get a tool kit. Keep in mind, this isn't my main source of income, so, I don't need top of the line equipment. I'd like some suggestions on...