Keeping non-redundant devices up during a power failure
There are a number of manufacturers who make rack-mounted Static Transfer Switches (STS’s) for exactly this purpose. I suggest you do a web search, or contact your UPS and PDU supplier for recommendations. The two cords of an STS are connected to your Redundant PDU’s, just like any other dual corded device, then your single-corded [...]
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| October 2, 2008 3:20 PM
Data center backup power, Data center design and infrastructure, Data center power supplies, Firewalls, KVM, Load balancers, PDU, SAN, Servers, Switches
There are a number of manufacturers who make rack-mounted Static Transfer Switches (STS’s) for exactly this purpose. I suggest you do a web search, or contact your UPS and PDU supplier for recommendations. The two cords of an STS are connected to your Redundant PDU’s, just like any other dual corded device, then your single-corded [...]
View Answer
| October 2, 2008 3:20 PM
Data center backup power, Data center design and infrastructure, Data center power supplies, Firewalls, KVM, Load balancers, PDU, SAN, Servers, Switches
Email forwarding for POP3
Aha – found it after all: http://support.microsoft.com/kb/281926 I have only used Contacts for Blackberry users before…. always something new to learn in this business
View Answer
| October 1, 2008 6:23 PM
Email forwarding, POP3, Remote access, SBS 2003
Aha – found it after all: http://support.microsoft.com/kb/281926 I have only used Contacts for Blackberry users before…. always something new to learn in this business
View Answer
| October 1, 2008 6:23 PM
Email forwarding, POP3, Remote access, SBS 2003
Meaning: DHCP using UDP as Transport Layer
The TCP/IP model has different layers, each providing different services. Layers near the top are logically closer to the user application, while those near the bottom are logically closer to the physical transmission of the data. DHCP is a protocol included in the Application layer (the topmost layer), while UDP is a protocol included in [...]
View Answer
| May 15, 2013 5:05 PM
DHCP, Network protocols, UDP
The TCP/IP model has different layers, each providing different services. Layers near the top are logically closer to the user application, while those near the bottom are logically closer to the physical transmission of the data. DHCP is a protocol included in the Application layer (the topmost layer), while UDP is a protocol included in [...]
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| May 15, 2013 5:05 PM
DHCP, Network protocols, UDP
Adding remote location
There are really 2 questions you need to address first: 1) Is the AS/400 on your local Lan in California? 2) Will the warehouse in Texas also connect to other servers in California (email servers for instance) via WAN or other dedicated connection? If the answer to both these questions is yes, then all you [...]
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| October 1, 2008 2:51 AM
AS/400 Client Access, AS/400 printing, iSeries remote access, Remote access
There are really 2 questions you need to address first: 1) Is the AS/400 on your local Lan in California? 2) Will the warehouse in Texas also connect to other servers in California (email servers for instance) via WAN or other dedicated connection? If the answer to both these questions is yes, then all you [...]
View Answer
| October 1, 2008 2:51 AM
AS/400 Client Access, AS/400 printing, iSeries remote access, Remote access
Dual NICs causing sync problem
This <a href=”http://news.zdnet.co.uk/communications/0,1000000085,2119576,00.htm”>site </a> covers some of the problems, and solutions for a system that is configured with dual NICS. Good Luck! -Flame ***********************
View Answer
| September 30, 2008 10:03 PM
DHCP, NIC, Retrospect
This <a href=”http://news.zdnet.co.uk/communications/0,1000000085,2119576,00.htm”>site </a> covers some of the problems, and solutions for a system that is configured with dual NICS. Good Luck! -Flame ***********************
View Answer
| September 30, 2008 10:03 PM
DHCP, NIC, Retrospect
Why do IT projects fail?-3
First of all, I absolutely agree with Bob’s points. I had a few additional thoughts: + A very basic reason for project failure is that it does not follow any formal project methodology, which, sadly, is true in too many organizations. Not folling project metholdogies will allow just about anyting to derail any project. It [...]
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| September 30, 2008 8:11 PM
390, Cabling, Career development, Data analysis, Data mining/analysis, Data warehousing applications, Database, DataCenter, DB2, Desktops, Development, Hardware, Hubs, Linux, Mainframe, Management, Manufacturing applications, Microsoft Windows, Networking, Oracle, OS, Patch management, Project management, Routers, Security, Servers, Software Quality Assurance, Software testing, SQL Server, Switches, Tech support
First of all, I absolutely agree with Bob’s points. I had a few additional thoughts: + A very basic reason for project failure is that it does not follow any formal project methodology, which, sadly, is true in too many organizations. Not folling project metholdogies will allow just about anyting to derail any project. It [...]
View Answer
| September 30, 2008 8:11 PM
390, Cabling, Career development, Data analysis, Data mining/analysis, Data warehousing applications, Database, DataCenter, DB2, Desktops, Development, Hardware, Hubs, Linux, Mainframe, Management, Manufacturing applications, Microsoft Windows, Networking, Oracle, OS, Patch management, Project management, Routers, Security, Servers, Software Quality Assurance, Software testing, SQL Server, Switches, Tech support
Last 5 lines of my log file
tail does the last 10 lines by default. The -n parameter will allow you to specify how many lines that should be returned. example: tail messages.log -n 5
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| September 30, 2008 2:28 PM
Log files, Unix, Unix commands
tail does the last 10 lines by default. The -n parameter will allow you to specify how many lines that should be returned. example: tail messages.log -n 5
View Answer
| September 30, 2008 2:28 PM
Log files, Unix, Unix commands
Remote Access from PC to Mac Leopard
There is this <a href=”http://www.macworld.com/article/59507/2007/08/ntrconnect.html”>service </a> that allows you to operate for Mac from your PC. There is a pro version that costs 9.95 month, as well as a free version. This <a href=”http://www.sharewareconnection.com/ntrconnect.htm”>Shareware program </a> is another option. And finally (at least for me) there is this <a href=”http://newsroom.cisco.com/dlls/2008/prod_011508c.html”>service</a> that might be more what [...]
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| September 30, 2008 1:05 PM
Mac OS X, PC to Mac, PDFpen, Remote access
There is this <a href=”http://www.macworld.com/article/59507/2007/08/ntrconnect.html”>service </a> that allows you to operate for Mac from your PC. There is a pro version that costs 9.95 month, as well as a free version. This <a href=”http://www.sharewareconnection.com/ntrconnect.htm”>Shareware program </a> is another option. And finally (at least for me) there is this <a href=”http://newsroom.cisco.com/dlls/2008/prod_011508c.html”>service</a> that might be more what [...]
View Answer
| September 30, 2008 1:05 PM
Mac OS X, PC to Mac, PDFpen, Remote access
IOS setting
what is ios setting for D LINK CABLE?
View Answer
| September 30, 2008 8:11 AM
Cisco, Cisco IOS, D-Link, IOS, Routers
what is ios setting for D LINK CABLE?
View Answer
| September 30, 2008 8:11 AM
Cisco, Cisco IOS, D-Link, IOS, Routers
What are my chances of getting a good networking job without a college degree?
Although obtaining the A+, Network+, then CCNA will get you off to a good start, these are all entry-level IT certifications. At best, they will qualify you for an entry-level position. Your prospects will vary to a large extent upon where in the world you are located, and what your local job market is like. [...]
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| September 29, 2008 5:12 PM
A+, Career development, CCNA, College, Degree, IT jobs, N+, Networking, Networking careers, Networking certifications
Although obtaining the A+, Network+, then CCNA will get you off to a good start, these are all entry-level IT certifications. At best, they will qualify you for an entry-level position. Your prospects will vary to a large extent upon where in the world you are located, and what your local job market is like. [...]
View Answer
| September 29, 2008 5:12 PM
A+, Career development, CCNA, College, Degree, IT jobs, N+, Networking, Networking careers, Networking certifications
Apple Network Issues
It should not matter what the gateway address is as long as the devices are in the same subnet. IP should be IP. Make sure the subnet mask matches on the Mac’s and the gateway. Do the Mac’s have some kind of firewall blocking this access? Is there an edge firewall restricting access by certain [...]
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| September 29, 2008 4:22 PM
Apple, Network connectivity
It should not matter what the gateway address is as long as the devices are in the same subnet. IP should be IP. Make sure the subnet mask matches on the Mac’s and the gateway. Do the Mac’s have some kind of firewall blocking this access? Is there an edge firewall restricting access by certain [...]
View Answer
| September 29, 2008 4:22 PM
Apple, Network connectivity
Technology behind UltraSurf?
Proxy is the “tech” behind it. Essentially, a proxy does the same thing as any other web browser. If you type in an address, it will be directed to the specific page…unlike a traditional browsing experience however, the address is coded as part of the proxy site address and not the actual visited website. Second, [...]
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| September 28, 2008 4:35 PM
Firewalls, Internet, Proxy servers, UltraSurf
Proxy is the “tech” behind it. Essentially, a proxy does the same thing as any other web browser. If you type in an address, it will be directed to the specific page…unlike a traditional browsing experience however, the address is coded as part of the proxy site address and not the actual visited website. Second, [...]
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| September 28, 2008 4:35 PM
Firewalls, Internet, Proxy servers, UltraSurf
Can’t connect right from link
Within Internet Explorer click on Tools then Internet Options. Then click on the Connections tab and select the Never dial a connection option.
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| September 28, 2008 7:02 AM
Network connectivity, Windows XP
Within Internet Explorer click on Tools then Internet Options. Then click on the Connections tab and select the Never dial a connection option.
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| September 28, 2008 7:02 AM
Network connectivity, Windows XP
Broadband Server Metering System
Arnab2085, I have never used metered broadband and think it is an abomination — but I understand that some users must resort to it. I don’t know why your usage is so high when you’re basically not using your connection. You didn’t mention who your provider is — or if the usage meter you referred [...]
View Answer
| September 28, 2008 12:52 AM
Broadband, Servers, Tech support
Arnab2085, I have never used metered broadband and think it is an abomination — but I understand that some users must resort to it. I don’t know why your usage is so high when you’re basically not using your connection. You didn’t mention who your provider is — or if the usage meter you referred [...]
View Answer
| September 28, 2008 12:52 AM
Broadband, Servers, Tech support
Linksys Router
In order to connect your T1 line to your network you will need a device such as one of these <a href=”http://www.cisco.com/en/US/products/hw/modules/ps3129/products_tech_note09186a00800b1501.shtml”>Cisco Routers</a> with a WAN card. Then it is just running an Ethernet cable from the Wan card to your upgraded Linksys device, then to your switch. Your T1 supplier should have given you [...]
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| September 26, 2008 11:56 PM
Linksys, Network design, Routers
In order to connect your T1 line to your network you will need a device such as one of these <a href=”http://www.cisco.com/en/US/products/hw/modules/ps3129/products_tech_note09186a00800b1501.shtml”>Cisco Routers</a> with a WAN card. Then it is just running an Ethernet cable from the Wan card to your upgraded Linksys device, then to your switch. Your T1 supplier should have given you [...]
View Answer
| September 26, 2008 11:56 PM
Linksys, Network design, Routers
Setting Up Two Networks
How large is your client network for each device type? Based on your other network question it does not sound like a very large network. You really don’t need to have a separate router for each network. You can have a single LAN with a single router routing traffic between subnets. In other words, put [...]
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| September 26, 2008 8:45 PM
DHCP, Netgear, Network connectivity, Network design, Routers
How large is your client network for each device type? Based on your other network question it does not sound like a very large network. You really don’t need to have a separate router for each network. You can have a single LAN with a single router routing traffic between subnets. In other words, put [...]
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| September 26, 2008 8:45 PM
DHCP, Netgear, Network connectivity, Network design, Routers
Cisco POE switch port flaps
I would suggest disabling POE on these ports going to the 3com hubs. This will help with the switch power budget. To disable POE try the following steps: Step 1 <b>configure terminal</b> – Enter global configuration mode. Step 2 <b>interface <i>interface-id</i></b> – Enter interface configuration mode for the physical interface to be configured. Step 3 [...]
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| September 26, 2008 3:50 PM
Cisco, IP phones, PoE, Switches
I would suggest disabling POE on these ports going to the 3com hubs. This will help with the switch power budget. To disable POE try the following steps: Step 1 <b>configure terminal</b> – Enter global configuration mode. Step 2 <b>interface <i>interface-id</i></b> – Enter interface configuration mode for the physical interface to be configured. Step 3 [...]
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| September 26, 2008 3:50 PM
Cisco, IP phones, PoE, Switches
Connecting to remote desktop
You can but it will also open it up so that others can get into it too. You need to make sure that all accounts on your home computer have strong passwords. Also, more than likely your company network has that port blocked. remote desktop might work if you are using XP pro at home [...]
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| September 26, 2008 3:43 PM
Desktops, Network, Remote desktop, Virtual Network Computing, VNC
You can but it will also open it up so that others can get into it too. You need to make sure that all accounts on your home computer have strong passwords. Also, more than likely your company network has that port blocked. remote desktop might work if you are using XP pro at home [...]
View Answer
| September 26, 2008 3:43 PM
Desktops, Network, Remote desktop, Virtual Network Computing, VNC
Network issues
Check <a href=”http://www.smoothwall.org/”>this program</a> it allows you to create a firewall from an old PC. The program allows many controls over access, and <i>might</i> have the ability to assign limits to an IP address or MAC address. The Pro version might be worth looking at, as it is more likely to have that kind of [...]
View Answer
| September 26, 2008 12:51 PM
LAN, Network connectivity, Wifi, Wireless networking
Check <a href=”http://www.smoothwall.org/”>this program</a> it allows you to create a firewall from an old PC. The program allows many controls over access, and <i>might</i> have the ability to assign limits to an IP address or MAC address. The Pro version might be worth looking at, as it is more likely to have that kind of [...]
View Answer
| September 26, 2008 12:51 PM
LAN, Network connectivity, Wifi, Wireless networking
Upgrading Win XP to act as Relay Server
Pages 17 and 48 of the documentation, located <a href=”http://www.mcafeeasap.com/intl/EN/net_includes/content/virusscan_asap/productguide/pdf/productguide.pdf”>here</a> describe how to confige your system to act as a relay server. Good Luck! -Flame
View Answer
| September 26, 2008 12:37 PM
Antivirus, IIS, Internet Independent Updating, McAfee Total Protection, Network security, Relay server, Windows XP
Pages 17 and 48 of the documentation, located <a href=”http://www.mcafeeasap.com/intl/EN/net_includes/content/virusscan_asap/productguide/pdf/productguide.pdf”>here</a> describe how to confige your system to act as a relay server. Good Luck! -Flame
View Answer
| September 26, 2008 12:37 PM
Antivirus, IIS, Internet Independent Updating, McAfee Total Protection, Network security, Relay server, Windows XP
