I meant to access my router at 192.168.1.1. Instead I typed 198.162.1.1 into my browser accidentally. A login screen comes up, similar to my router login (and every other login page), but it m...
Once a network loop is in progress what is the best method for detecting the source switch and port that the loop is comming from?
I am in a 2000 node network with aboput 200 switches, at c...
I am troubleshooting dhcp failure between my cisco wireless phones and my call manager server. Cisco tech support has asked me to get a sniffer capture at my access point and dhcp server to v...
My domain controller seems to have failed or something. It is a w2k3 server and it just won't browse anymore. It was my dhcp server, but it is not giving out IP addresses and when I take off...
I'm currently looking at a few different network monitoring products.
I have been reading through info from Network Instruments hardware probe products.
In order to test the product it says ...
Always around mid week our network gets bogged down and very slow, I'm trying to find out where this is coming from. Does anyone know of any good monitoring software tools to try and pinpoint...
I have a small network I am responsible for, with 4 switches and 8 servers. I've recently been trying to isolate a problem on that network that causes clients to lose their connection to one o...
I have been having several ferformance issues with a server and I finally decided to dowload wireshark and take a look at the captured data to see if I can figure out what the problem is. I do...
I have an Hp Ip kvm that I cannot find on our local network. I am sure it has an IP address but I have absolutely no clue what that could be or what network it could be on (ie 192.168.1.0/24, ...
Hi
I am setting up a Nagios service monitor server for my Windows Boxes. I have followed the Quickstart guide to get it working on Ubuntu 606 server, and also the online guide to install th...
Hey folks,
I've got some network flooding and i've identified one particular PC sending an excess of packets. On each of those packets i'm getting an Incorrect Header Checksum (0x0000).
...
I have a network with about 50 users and I need to control / limit the bandwidth from users. I several issues from streaming audio, video, downloads and other internet usage. Some things are...
I really just want to understand these FIN Floods. I haven't been able to find any documentation on what exactly it is. It shows up in my Firewall logs quite frequently. The source IP address ...
I have a couple questions about a new ntop installation. First, here is my setup:
Pentium 4, 3.0GHz
2GB RAM
2 Network Cards
Ubuntu 8.10
ntop v.3.3
We have placed a hub in line betwee...
Hi All,
I need a very urgent help to configure 5 2960 switches and 1 3560 switch(layer 3).
I want to configure Vlan's into my network, and i want to place 2960's into access-layer and 3560 i...
I got a Cisco 2960 switch. I don't know the user/password, is there any way to reset the password on this switch.
How can I tell if someone is monitoring or watching my computer session? Is there a tool to detect intrusion?
Do you know (or anyone know) how to set the OID to monitor a specific port (port 48)?
I have a Dell switch that i want to monitor on our Internet port. Our XO router will not allow SNMP mon...
# of Georgraphic Locations: 3
Distance apart: >5km.
Location # 1
Game Server: 1
Client Computers: 14
Location # 2
Game Server: 0
Client Computers: 14
Location # 3
Game Ser...
Hello Experts,
Here's my situation: I have two remote sites for which I need to measure bandwidth and monitor network traffic. Currently, there's an 8MB DS3 connecting the two sites. There ...
i want to filter traffic from 2 ip address
192.168.10.3
192.168.20.4
how can i do this?
Hello All,
I have users at a client site that having network-related issues. People reports slow internet and SMB access on server. We checked the server and it seems fine. They have...
Hey
As of lately my GroundWork Monitor (running on Debian5) has been failing on allot of checks with the message "Service Check Timed Out".
All I can remember changing before this start...
I cannot get the plugin check_hpjd to work. I found the plugin was not installed (missing from /usr/local/nagios/libexec ) and realized the net-snmp binaries needed to be installed ("The check...
Hi all,
I'm looking for some advice on how to best analyze my network, either by using free tools, purchased tools, or even outsourcing this to a company specializing in this. We do not wan...
