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#16
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Urgent Network Issues
I asked before but never saw an answer. What do you mean by "drop"? Can
you describe the exact symptoms? -Frank "Don" wrote in message ... seems my messages weren't getting through. I connected the computers static ips to the switch with new cables and they still drop. IS there a program i can install on the computer to monitor the network and report what happens like wireshark? would wireshark be good to trac what computer is causing the network to drop? On 3/4/2010 8:40 AM, Jack [MVP-Networking] wrote: Hi Changing from Wire to wireless is not necessarily a general indication. Start by connecting two computer to the switch with new commercially made wires. Jack (MS, MVP-Networking). "Don" wrote in message ... Hello, around last month we started to lose lan connections to our NAS. We wanted to replace it anyways since it was old and did not have encryption. So we moved the data to the boses machine and we have still experienced lan drop out so here is a list of what has been tried and replaced. 1. router replaced 2. switch replaced 2x 3. switched out machines new machines still drop 4. added new nas nas still drops 5. changed from wired to wireless still drops 6. changed network cards. still drops Please help. |
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#17
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Urgent Network Issues
I asked before but never saw an answer. What do you mean by "drop"? Can
you describe the exact symptoms? -Frank "Don" wrote in message ... seems my messages weren't getting through. I connected the computers static ips to the switch with new cables and they still drop. IS there a program i can install on the computer to monitor the network and report what happens like wireshark? would wireshark be good to trac what computer is causing the network to drop? On 3/4/2010 8:40 AM, Jack [MVP-Networking] wrote: Hi Changing from Wire to wireless is not necessarily a general indication. Start by connecting two computer to the switch with new commercially made wires. Jack (MS, MVP-Networking). "Don" wrote in message ... Hello, around last month we started to lose lan connections to our NAS. We wanted to replace it anyways since it was old and did not have encryption. So we moved the data to the boses machine and we have still experienced lan drop out so here is a list of what has been tried and replaced. 1. router replaced 2. switch replaced 2x 3. switched out machines new machines still drop 4. added new nas nas still drops 5. changed from wired to wireless still drops 6. changed network cards. still drops Please help. |
#18
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Urgent Network Issues
sorry that was in my earlier messages that were never posted for some
reason. drop means you will lose connectivity to the devices eg you can no longer ping them, depending they will come back up after 2 minutes or longer. sometimes they don't come back up without a restart or power cycle. On 3/6/2010 8:08 AM, Frankster wrote: I asked before but never saw an answer. What do you mean by "drop"? Can you describe the exact symptoms? -Frank "Don" wrote in message ... seems my messages weren't getting through. I connected the computers static ips to the switch with new cables and they still drop. IS there a program i can install on the computer to monitor the network and report what happens like wireshark? would wireshark be good to trac what computer is causing the network to drop? On 3/4/2010 8:40 AM, Jack [MVP-Networking] wrote: Hi Changing from Wire to wireless is not necessarily a general indication. Start by connecting two computer to the switch with new commercially made wires. Jack (MS, MVP-Networking). "Don" wrote in message ... Hello, around last month we started to lose lan connections to our NAS. We wanted to replace it anyways since it was old and did not have encryption. So we moved the data to the boses machine and we have still experienced lan drop out so here is a list of what has been tried and replaced. 1. router replaced 2. switch replaced 2x 3. switched out machines new machines still drop 4. added new nas nas still drops 5. changed from wired to wireless still drops 6. changed network cards. still drops Please help. |
#19
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Urgent Network Issues
sorry that was in my earlier messages that were never posted for some
reason. drop means you will lose connectivity to the devices eg you can no longer ping them, depending they will come back up after 2 minutes or longer. sometimes they don't come back up without a restart or power cycle. On 3/6/2010 8:08 AM, Frankster wrote: I asked before but never saw an answer. What do you mean by "drop"? Can you describe the exact symptoms? -Frank "Don" wrote in message ... seems my messages weren't getting through. I connected the computers static ips to the switch with new cables and they still drop. IS there a program i can install on the computer to monitor the network and report what happens like wireshark? would wireshark be good to trac what computer is causing the network to drop? On 3/4/2010 8:40 AM, Jack [MVP-Networking] wrote: Hi Changing from Wire to wireless is not necessarily a general indication. Start by connecting two computer to the switch with new commercially made wires. Jack (MS, MVP-Networking). "Don" wrote in message ... Hello, around last month we started to lose lan connections to our NAS. We wanted to replace it anyways since it was old and did not have encryption. So we moved the data to the boses machine and we have still experienced lan drop out so here is a list of what has been tried and replaced. 1. router replaced 2. switch replaced 2x 3. switched out machines new machines still drop 4. added new nas nas still drops 5. changed from wired to wireless still drops 6. changed network cards. still drops Please help. |
#20
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Urgent Network Issues
On 3/6/2010 2:23 AM, Ben M. Schorr, MVP wrote:
SWAG Do you have your switch plugged into a good UPS? yes. relatively new apc ups (around 1 year old) |
#21
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Urgent Network Issues
On 3/6/2010 2:23 AM, Ben M. Schorr, MVP wrote:
SWAG Do you have your switch plugged into a good UPS? yes. relatively new apc ups (around 1 year old) |
#22
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Urgent Network Issues
Okay, after reading everything you've done in this thread, there's not much
more you can do. However, one thing comes to mind. If this is on a VOIP system, this could be it. This one caused me undue grief for a number of hours troubleshooting until I got to the bottom of it. It was the SIP "ALG" service in my router. I had to disable it. I found out after I had already tried another router, like you. Before I disabled it, I could do a continuous ping and get back something like... ping... no response delay of 5 seconds or so one response no response no response no response no response response! delay of 3 seconds no response response! response! response! no response no response no response delay of 10 seconds response! no response etcetera... ....was driving me crazy... Turned out what I had to do was to disable ALG support in the router (Netgear in my case). Check out this link... http://www.voip-info.org/wiki/view/Routers+SIP+ALG Anyway, other than that, I'm out of ideas, considering what you have already changed. -Frank "Don" wrote in message ... Hello, around last month we started to lose lan connections to our NAS. We wanted to replace it anyways since it was old and did not have encryption. So we moved the data to the boses machine and we have still experienced lan drop out so here is a list of what has been tried and replaced. 1. router replaced 2. switch replaced 2x 3. switched out machines new machines still drop 4. added new nas nas still drops 5. changed from wired to wireless still drops 6. changed network cards. still drops Please help. |
#23
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Urgent Network Issues
Okay, after reading everything you've done in this thread, there's not much
more you can do. However, one thing comes to mind. If this is on a VOIP system, this could be it. This one caused me undue grief for a number of hours troubleshooting until I got to the bottom of it. It was the SIP "ALG" service in my router. I had to disable it. I found out after I had already tried another router, like you. Before I disabled it, I could do a continuous ping and get back something like... ping... no response delay of 5 seconds or so one response no response no response no response no response response! delay of 3 seconds no response response! response! response! no response no response no response delay of 10 seconds response! no response etcetera... ....was driving me crazy... Turned out what I had to do was to disable ALG support in the router (Netgear in my case). Check out this link... http://www.voip-info.org/wiki/view/Routers+SIP+ALG Anyway, other than that, I'm out of ideas, considering what you have already changed. -Frank "Don" wrote in message ... Hello, around last month we started to lose lan connections to our NAS. We wanted to replace it anyways since it was old and did not have encryption. So we moved the data to the boses machine and we have still experienced lan drop out so here is a list of what has been tried and replaced. 1. router replaced 2. switch replaced 2x 3. switched out machines new machines still drop 4. added new nas nas still drops 5. changed from wired to wireless still drops 6. changed network cards. still drops Please help. |
#24
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Urgent Network Issues
On 3/6/2010 4:05 PM, Frankster wrote:
Okay, after reading everything you've done in this thread, there's not much more you can do. However, one thing comes to mind. If this is on a VOIP system, this could be it. This one caused me undue grief for a number of hours troubleshooting until I got to the bottom of it. It was the SIP "ALG" service in my router. I had to disable it. I found out after I had already tried another router, like you. Before I disabled it, I could do a continuous ping and get back something like... ping... no response delay of 5 seconds or so one response no response no response no response no response response! delay of 3 seconds no response response! response! response! no response no response no response delay of 10 seconds response! no response etcetera... ...was driving me crazy... Turned out what I had to do was to disable ALG support in the router (Netgear in my case). Check out this link... http://www.voip-info.org/wiki/view/Routers+SIP+ALG Anyway, other than that, I'm out of ideas, considering what you have already changed. -Frank "Don" wrote in message ... Hello, around last month we started to lose lan connections to our NAS. We wanted to replace it anyways since it was old and did not have encryption. So we moved the data to the boses machine and we have still experienced lan drop out so here is a list of what has been tried and replaced. 1. router replaced 2. switch replaced 2x 3. switched out machines new machines still drop 4. added new nas nas still drops 5. changed from wired to wireless still drops 6. changed network cards. still drops Please help. no voip system here. However I am changing every network card in the systems and seeing if that works. Right now all machines have a static ip and are connected to a switch with no router and seeing if any thing drops. every machine is also being tested one at a time connected to the switch and NAS with a large data file being transferred to see if it causes any problems. |
#25
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Urgent Network Issues
On 3/6/2010 4:05 PM, Frankster wrote:
Okay, after reading everything you've done in this thread, there's not much more you can do. However, one thing comes to mind. If this is on a VOIP system, this could be it. This one caused me undue grief for a number of hours troubleshooting until I got to the bottom of it. It was the SIP "ALG" service in my router. I had to disable it. I found out after I had already tried another router, like you. Before I disabled it, I could do a continuous ping and get back something like... ping... no response delay of 5 seconds or so one response no response no response no response no response response! delay of 3 seconds no response response! response! response! no response no response no response delay of 10 seconds response! no response etcetera... ...was driving me crazy... Turned out what I had to do was to disable ALG support in the router (Netgear in my case). Check out this link... http://www.voip-info.org/wiki/view/Routers+SIP+ALG Anyway, other than that, I'm out of ideas, considering what you have already changed. -Frank "Don" wrote in message ... Hello, around last month we started to lose lan connections to our NAS. We wanted to replace it anyways since it was old and did not have encryption. So we moved the data to the boses machine and we have still experienced lan drop out so here is a list of what has been tried and replaced. 1. router replaced 2. switch replaced 2x 3. switched out machines new machines still drop 4. added new nas nas still drops 5. changed from wired to wireless still drops 6. changed network cards. still drops Please help. no voip system here. However I am changing every network card in the systems and seeing if that works. Right now all machines have a static ip and are connected to a switch with no router and seeing if any thing drops. every machine is also being tested one at a time connected to the switch and NAS with a large data file being transferred to see if it causes any problems. |
#26
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Urgent Network Issues
On 3/3/2010 9:32 PM, Don wrote:
Hello, around last month we started to lose lan connections to our NAS. We wanted to replace it anyways since it was old and did not have encryption. So we moved the data to the boses machine and we have still experienced lan drop out so here is a list of what has been tried and replaced. 1. router replaced 2. switch replaced 2x 3. switched out machines new machines still drop 4. added new nas nas still drops 5. changed from wired to wireless still drops 6. changed network cards. still drops Please help. Ok it turned out 3 network cards were bad, one router had massive packet loss, and one network cable needed to be replaced. After all that was fixed systems ran great until... the receptionists computer decided to die and it sent a surge through the network killing off everything that was fixed. Replaced everything again switch survived and they are now up. |
#27
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Urgent Network Issues
On 3/3/2010 9:32 PM, Don wrote:
Hello, around last month we started to lose lan connections to our NAS. We wanted to replace it anyways since it was old and did not have encryption. So we moved the data to the boses machine and we have still experienced lan drop out so here is a list of what has been tried and replaced. 1. router replaced 2. switch replaced 2x 3. switched out machines new machines still drop 4. added new nas nas still drops 5. changed from wired to wireless still drops 6. changed network cards. still drops Please help. Ok it turned out 3 network cards were bad, one router had massive packet loss, and one network cable needed to be replaced. After all that was fixed systems ran great until... the receptionists computer decided to die and it sent a surge through the network killing off everything that was fixed. Replaced everything again switch survived and they are now up. |
#28
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Urgent Network Issues
"Don" wrote in message ... On 3/3/2010 9:32 PM, Don wrote: Hello, around last month we started to lose lan connections to our NAS. We wanted to replace it anyways since it was old and did not have encryption. So we moved the data to the boses machine and we have still experienced lan drop out so here is a list of what has been tried and replaced. 1. router replaced 2. switch replaced 2x 3. switched out machines new machines still drop 4. added new nas nas still drops 5. changed from wired to wireless still drops 6. changed network cards. still drops Please help. Ok it turned out 3 network cards were bad, one router had massive packet loss, and one network cable needed to be replaced. After all that was fixed systems ran great until... the receptionists computer decided to die and it sent a surge through the network killing off everything that was fixed. Replaced everything again switch survived and they are now up. Have you done something bad to ****-off God lately? -Frank |
#29
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Urgent Network Issues
"Don" wrote in message ... On 3/3/2010 9:32 PM, Don wrote: Hello, around last month we started to lose lan connections to our NAS. We wanted to replace it anyways since it was old and did not have encryption. So we moved the data to the boses machine and we have still experienced lan drop out so here is a list of what has been tried and replaced. 1. router replaced 2. switch replaced 2x 3. switched out machines new machines still drop 4. added new nas nas still drops 5. changed from wired to wireless still drops 6. changed network cards. still drops Please help. Ok it turned out 3 network cards were bad, one router had massive packet loss, and one network cable needed to be replaced. After all that was fixed systems ran great until... the receptionists computer decided to die and it sent a surge through the network killing off everything that was fixed. Replaced everything again switch survived and they are now up. Have you done something bad to ****-off God lately? -Frank |
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