TCP Retransmissions b/c of Checksum Incorrect
We have a problem where some users will complain of slow application response time (on the LAN) from our ERP server, but others will be fine. After many hours of troublshooting I've discovered the following: - Packet Sniff's of affected users shows TCP Retransmissions because the Checksum is...
We have a problem where some users will complain of slow application response time (on the LAN) from our ERP server, but others will be fine. After many hours of troublshooting I've discovered the following: - Packet Sniff's of affected users shows TCP Retransmissions because the Checksum is...
495 pts.
intermittent dns issues not affecting entire network
Hello, everyone. There are two users in my office who are suddenly unable to access some internet sites that they have always been able to access before. I am able to navigate to the sites from other machines in the office with no problems. The two users who are having problems are receiving the...
Hello, everyone. There are two users in my office who are suddenly unable to access some internet sites that they have always been able to access before. I am able to navigate to the sites from other machines in the office with no problems. The two users who are having problems are receiving the...
Dell Optiplex GX520 hibernation/sleep mode issues
Hello, We have several Dell Optiplex GX520's on the network running Windows XP pro. They randomly fall into sleep mode. Moving the mouse will not wake them - you have to push the power button to get them out of sleep mode. Also we are not able to remotely wake them to do patch updates or remotely...
Hello, We have several Dell Optiplex GX520's on the network running Windows XP pro. They randomly fall into sleep mode. Moving the mouse will not wake them - you have to push the power button to get them out of sleep mode. Also we are not able to remotely wake them to do patch updates or remotely...
Ristricting sites in group polices on server 2000
hey, i recently tried to restrict certain sites in group polices for a particular group on my network, however the restriction seems to have replicated itsel to the other policies on the network including me the administrator. I went thru the group policies etc., internet securities, so on and so...
hey, i recently tried to restrict certain sites in group polices for a particular group on my network, however the restriction seems to have replicated itsel to the other policies on the network including me the administrator. I went thru the group policies etc., internet securities, so on and so...
What is NAT port forwarding?
Describe in brief how you would set up port forwarding on a NAT router to allow a PC on the LAN to publish its web to the internet.
Describe in brief how you would set up port forwarding on a NAT router to allow a PC on the LAN to publish its web to the internet.
Routing Between Subnets and between networks
1.I have two separe networks 192.168.0.0 and 192.168.1.0 ,they r physicall connected. What should i configure and where to configure so that host of each network can connect to other host in other network. 2.I have two separe Subnets(after subnetting a class B network),they r physicall connected....
1.I have two separe networks 192.168.0.0 and 192.168.1.0 ,they r physicall connected. What should i configure and where to configure so that host of each network can connect to other host in other network. 2.I have two separe Subnets(after subnetting a class B network),they r physicall connected....
odd NIC problem
Howdy all... I have a win2k3 member server with 2 onboard Intel PRO lan connections. One is 100mb the other 1000mb. On the 100mb connection, I can set either a DHCP or Static TCP address and it works fine. On the 1000mb connection, it works fine on DHCP, but absolutely refuses to connect with a...
Howdy all... I have a win2k3 member server with 2 onboard Intel PRO lan connections. One is 100mb the other 1000mb. On the 100mb connection, I can set either a DHCP or Static TCP address and it works fine. On the 1000mb connection, it works fine on DHCP, but absolutely refuses to connect with a...
Network Monitoring tool
Hi I am new to network monitoring. I am looking for pure software based network monitoring/analyzer/traffic generator application that will support 10, 100 and 1G ethernet interface. The application need to run on a laptop sothat when a tech goes out he will be able look at the network from the...
Hi I am new to network monitoring. I am looking for pure software based network monitoring/analyzer/traffic generator application that will support 10, 100 and 1G ethernet interface. The application need to run on a laptop sothat when a tech goes out he will be able look at the network from the...
Monitoring the Network
Hi, I have multiple remote sites. I would like to monitor the network and analyze the traffic and its performance in general. For example, how the bandwidth is consumed, if certain activities are unnecessary and how to improve the networks performance by blocking through the firewall like...
Hi, I have multiple remote sites. I would like to monitor the network and analyze the traffic and its performance in general. For example, how the bandwidth is consumed, if certain activities are unnecessary and how to improve the networks performance by blocking through the firewall like...
Software based WIN Simulation
Hi, I need to test out an application over WAN. The testing includes the response time with different delays and bandwidth requirements. Is there any piece of software (preferably opensource/freeware)which can simulate the WAN for me? The idea is to install two NICs in the Windows/Linux machine,...
Hi, I need to test out an application over WAN. The testing includes the response time with different delays and bandwidth requirements. Is there any piece of software (preferably opensource/freeware)which can simulate the WAN for me? The idea is to install two NICs in the Windows/Linux machine,...
Installation and updates
Howdy folks, Tryin to keep things going around here....need some advice. I have Win2003 servers and Active Directory.....single domain....approx. 100 client computers.....one location. Am upgrading all computers from Office XP to Office 2003. My project: Install Office 2003 and all updates...
Howdy folks, Tryin to keep things going around here....need some advice. I have Win2003 servers and Active Directory.....single domain....approx. 100 client computers.....one location. Am upgrading all computers from Office XP to Office 2003. My project: Install Office 2003 and all updates...
Unable to detect a parity error with Windows SDK on a PCI serial card
We are using a 9-bit protocol which sometimes sends a mark state and sometimes sends a space stage. When a space state is sent we want to be able to get a parity error in SDK. We can see the parity error in the hardware register but we want to be able to see the error with Windows SDK software. ...
We are using a 9-bit protocol which sometimes sends a mark state and sometimes sends a space stage. When a space state is sent we want to be able to get a parity error in SDK. We can see the parity error in the hardware register but we want to be able to see the error with Windows SDK software. ...
Network Resource Allocation cum Planning cum Technical Problem
This is the real commercial problem face by my company. Well, the reason I ask this problem is I salute and respect all of you as I believe all of you are as good as network solution company out there, or even better!! Lets me rephrase the entire problem again. Company expand so fast that the...
This is the real commercial problem face by my company. Well, the reason I ask this problem is I salute and respect all of you as I believe all of you are as good as network solution company out there, or even better!! Lets me rephrase the entire problem again. Company expand so fast that the...
Design NEW network cum NEW IT infrastructure-2
Company expand so fast that the IT infrastructure is not fast enough to cater high volume of traffic; the initial design is not scalable. The number of new branch offices setup caused the company pay a high price in the leased line communication. Salesman and management staffs dial into company...
Company expand so fast that the IT infrastructure is not fast enough to cater high volume of traffic; the initial design is not scalable. The number of new branch offices setup caused the company pay a high price in the leased line communication. Salesman and management staffs dial into company...
static ip is in the spam list
HELLO ALL, My static ip is in the spam list. What should I do? Thanks a lot
HELLO ALL, My static ip is in the spam list. What should I do? Thanks a lot
Event ID 13508 in microsoft windwos 2000 server
Hi all I have a three servers with windows 2000 (service pack4 ) and its running active directory and DNS also. My global catalog server (PDC) am calling as server ?A? , others are server ?B? and server ?C?. These are two servers are acting as BDCs. One of the BDC?s Hard disk was crashed last...
Hi all I have a three servers with windows 2000 (service pack4 ) and its running active directory and DNS also. My global catalog server (PDC) am calling as server ?A? , others are server ?B? and server ?C?. These are two servers are acting as BDCs. One of the BDC?s Hard disk was crashed last...
Reg. POP3 Service....
Hii Everybody, I have installed Active dir. with win server 2003 and Exchange server, in my home PC for practice purpose using loopback adaptor.... My problem is that using microsoft webmail i am able to send and receive the mails, but using Outlook express i can not..... i checked POP3 and...
Hii Everybody, I have installed Active dir. with win server 2003 and Exchange server, in my home PC for practice purpose using loopback adaptor.... My problem is that using microsoft webmail i am able to send and receive the mails, but using Outlook express i can not..... i checked POP3 and...
NMAP IN WIRELESS
Hello, Can any one explain me what is NMAP , how NMAP works and how to use it. Kind Regards, Gopal.
Hello, Can any one explain me what is NMAP , how NMAP works and how to use it. Kind Regards, Gopal.
Postfix and DNS
I have installed Postfix on my server with DNS. I am not sure what information I should provide here so let me explain the setup and goals. I have SuSE Enterprise 9, Apache, Static IP address. In other words a hosted website/server. The goal is to also have this as a mail server. I am able to...
I have installed Postfix on my server with DNS. I am not sure what information I should provide here so let me explain the setup and goals. I have SuSE Enterprise 9, Apache, Static IP address. In other words a hosted website/server. The goal is to also have this as a mail server. I am able to...
WIRELESS BRIDGES
Dear Sir's, I have two wireless bridges. Master and Slave which are 800 ft apart and two high gain antennas are attached to these units. I am finding a disconnection problem with these bridges. It works for a while but gets disconnected and after doing powercycle on the slave end the...
Dear Sir's, I have two wireless bridges. Master and Slave which are 800 ft apart and two high gain antennas are attached to these units. I am finding a disconnection problem with these bridges. It works for a while but gets disconnected and after doing powercycle on the slave end the...
