Recommendation for Layer 3 switch and firewall
Our school division is made up of seven schools. All schools point back to the central office location where all Internet traffic comes through. I have to setup subnets and VLANS at each school. Can you recommend a make/model of layer 3 switches for each school and for the main central office location. I also [...]
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| September 11, 2012 1:38 AM
Firewalls, Layer 3 switches, Switching, VLAN
Our school division is made up of seven schools. All schools point back to the central office location where all Internet traffic comes through. I have to setup subnets and VLANS at each school. Can you recommend a make/model of layer 3 switches for each school and for the main central office location. I also [...]
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| September 11, 2012 1:38 AM
Firewalls, Layer 3 switches, Switching, VLAN
How to add an Additional Domain controller in an existing environment and promote it as Domain Controller
Our environment contains two domain controllers with windows 2003 as O/S with the ip 10.0.2.12/8 and 10.0.2.13/8. Due to old hardware we want to install our domain controllers on new hardware with different IP as 192.168.15.1/24 and 192.168.15.2/24. Please provide me the steps to install the domain controller and decommission the old domain controllers. We are using [...]
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| September 11, 2012 10:50 AM
Acitve Directory, Domain Controllers, VLAN, Windows Server 2003
Our environment contains two domain controllers with windows 2003 as O/S with the ip 10.0.2.12/8 and 10.0.2.13/8. Due to old hardware we want to install our domain controllers on new hardware with different IP as 192.168.15.1/24 and 192.168.15.2/24. Please provide me the steps to install the domain controller and decommission the old domain controllers. We are using [...]
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| September 11, 2012 10:50 AM
Acitve Directory, Domain Controllers, VLAN, Windows Server 2003
Logon On Issue in newer OS – network time synchronization
Hi, Yesterday in my Organization, i come across with the New Scenario. When one particular user logs on to the computer the error message displayed as “the current time on the computer is different from Network”. He is an Normal user with no administrator rights. When i logged in with my account, it is logged [...]
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| December 15, 2009 2:04 AM
Network Time Synchronization, VPN issue, Windows Time Sync issue
Hi, Yesterday in my Organization, i come across with the New Scenario. When one particular user logs on to the computer the error message displayed as “the current time on the computer is different from Network”. He is an Normal user with no administrator rights. When i logged in with my account, it is logged [...]
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| December 15, 2009 2:04 AM
Network Time Synchronization, VPN issue, Windows Time Sync issue
The IT Blog Top 10: Dec. 10, 2009
10. No Exchange 2007 on Windows 2008 R2 – but why? Brendan Cournoyer delves into why the latest Windows 2008 R2 takes a surprising turn in not support Exchange 2007. 9. How to use command line arguments in VBScript via the Wscript.Arguments Object Jerry Lees explains a helpful VBScript trick. 8. What is Changed Block [...]
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| December 11, 2009 10:09 PM
AS/400, Channel, CIO, CRM, Database, DataCenter, DataManagement, Development, Exchange, ITKE, Linux, Lotus Domino, Microsoft Windows, Mobile, Networking, Oracle, SAP, Security, SQL Server, Storage, Virtualization, VoIP
10. No Exchange 2007 on Windows 2008 R2 – but why? Brendan Cournoyer delves into why the latest Windows 2008 R2 takes a surprising turn in not support Exchange 2007. 9. How to use command line arguments in VBScript via the Wscript.Arguments Object Jerry Lees explains a helpful VBScript trick. 8. What is Changed Block [...]
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| December 11, 2009 10:09 PM
AS/400, Channel, CIO, CRM, Database, DataCenter, DataManagement, Development, Exchange, ITKE, Linux, Lotus Domino, Microsoft Windows, Mobile, Networking, Oracle, SAP, Security, SQL Server, Storage, Virtualization, VoIP
cisco 4507 gigabit int down line protocol down
hi can any one help with this i am setting up 4507 with fiber connections but int never comes up it says gigabit int down line protocol down
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| January 7, 2010 8:45 PM
Cisco 4500, Cisco 4507, Cisco switches, Gigabit ethernet switches
hi can any one help with this i am setting up 4507 with fiber connections but int never comes up it says gigabit int down line protocol down
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| January 7, 2010 8:45 PM
Cisco 4500, Cisco 4507, Cisco switches, Gigabit ethernet switches
networking share printer
how could a printer be shared through router connection with several computers. series connection.
Answer Question
| December 13, 2009 9:21 AM
Network design, Network printers, Network Topology
how could a printer be shared through router connection with several computers. series connection.
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| December 13, 2009 9:21 AM
Network design, Network printers, Network Topology
I wanted to know the knowledge of the LAN aspect of networking.
Hi..I wanted to learn about the LAN aspect of the computer field. In term of certification and process of getting these certifications with the knowledge that come along with it: Where do I need to start and what certifications do I need to have in order to become a System Admistrator..
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| December 14, 2009 6:00 AM
Careers, Certifications, LAN, Networking certifications
Hi..I wanted to learn about the LAN aspect of the computer field. In term of certification and process of getting these certifications with the knowledge that come along with it: Where do I need to start and what certifications do I need to have in order to become a System Admistrator..
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| December 14, 2009 6:00 AM
Careers, Certifications, LAN, Networking certifications
What indicates high thresholds in TCP statistics, especially Failed Connection Attempts?
I am trying to learn about TCP statistics, especially Failed Connection Attempts. What value would indicate a high threshold? Also, what causes these errors to occur? Does this indicate an issue at the remote or local host? Or does it have to do with network bandwidth or lack of I/O, etc.? Thanks!
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| December 11, 2009 2:00 AM
failed connection attempts, Network troubleshooting, Networking, TCP, TCP IP, TCP/IP
I am trying to learn about TCP statistics, especially Failed Connection Attempts. What value would indicate a high threshold? Also, what causes these errors to occur? Does this indicate an issue at the remote or local host? Or does it have to do with network bandwidth or lack of I/O, etc.? Thanks!
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| December 11, 2009 2:00 AM
failed connection attempts, Network troubleshooting, Networking, TCP, TCP IP, TCP/IP
Why are IP addresses divided into five parts?
Why are IP addresses divided into five parts?
Answer Question
| December 11, 2009 8:57 PM
IP address, Networking
Why are IP addresses divided into five parts?
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| December 11, 2009 8:57 PM
IP address, Networking
What is the difference between an active and a passive switch?
What is the difference between an active and a passive switch?
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| February 10, 2010 8:56 PM
Active Switches, Networking, Passive Switches, Switches
What is the difference between an active and a passive switch?
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| February 10, 2010 8:56 PM
Active Switches, Networking, Passive Switches, Switches
How do I adjust what IP address shows when an email is sent?
I have a small network. We created a server on a local network. The server has a real IP {210.212.108.195} and rest of our clients have a local IP {192.168.1.25}. All of our clients are connected to the Web via a server. When a client sends an email, our real IP shows in the mail [...]
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| December 11, 2009 8:53 PM
IP address, IP addressing, LAN, Local area networks, Networking
I have a small network. We created a server on a local network. The server has a real IP {210.212.108.195} and rest of our clients have a local IP {192.168.1.25}. All of our clients are connected to the Web via a server. When a client sends an email, our real IP shows in the mail [...]
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| December 11, 2009 8:53 PM
IP address, IP addressing, LAN, Local area networks, Networking
Does Vista allow more than one incoming VPN connection at a time?
I read your expert response about XP only allowing one incoming VPN connection at a time. Is this the case with Vista also? If so, are there any free VPN software servers that can handle many incoming VPN connections to Windows XP/Vista/7?
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| December 11, 2009 8:48 PM
Networking, Vista, VPN, Windows 2000, Windows 2000 desktop
I read your expert response about XP only allowing one incoming VPN connection at a time. Is this the case with Vista also? If so, are there any free VPN software servers that can handle many incoming VPN connections to Windows XP/Vista/7?
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| December 11, 2009 8:48 PM
Networking, Vista, VPN, Windows 2000, Windows 2000 desktop
Why does my Cisco ASA hang when I enable no NAT statements?
I am using Cisco ASA-55×0 Version 7.2(2) to secure my business network. When I enable the no NAT statement, the ASA gets hanged. How do I fix this, and why does this happen?
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| January 7, 2010 8:46 PM
Adaptive Security Appliance, Cisco ASA, Network security, Networking
I am using Cisco ASA-55×0 Version 7.2(2) to secure my business network. When I enable the no NAT statement, the ASA gets hanged. How do I fix this, and why does this happen?
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| January 7, 2010 8:46 PM
Adaptive Security Appliance, Cisco ASA, Network security, Networking
Do I need to use Aircrack and iPerf to crack WLAN passwords?
Can you explain to me what this means? “To access the WLANs using Aircrack- ng detector, packet sniffer WEP, WPA/WPA2 – psk analysis tool for raw monitoring mode and sniff 802.11a, 802.11b and 802.11g traffic.” I’m confused about this topic. Do I need to break the password using Aircrack and iPerf?
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| December 14, 2009 8:42 PM
Aircrack, Aircrack-NG, iPerf, Key cracking, Network security, Networking, Wireless LAN, Wireless network security, WLAN
Can you explain to me what this means? “To access the WLANs using Aircrack- ng detector, packet sniffer WEP, WPA/WPA2 – psk analysis tool for raw monitoring mode and sniff 802.11a, 802.11b and 802.11g traffic.” I’m confused about this topic. Do I need to break the password using Aircrack and iPerf?
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| December 14, 2009 8:42 PM
Aircrack, Aircrack-NG, iPerf, Key cracking, Network security, Networking, Wireless LAN, Wireless network security, WLAN
Can I switch to an IT career in networking without a four-year degree?
I am thinking about switching careers to join the IT field. I was thinking about an AA degree but was told certifications will work better because of specialized fields. Unfortunately, I don’t have four years to get a BA. I’m open to anything, network, software, etc., but I am not interested in help desk. Any [...]
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| May 21, 2011 7:57 PM
Help Desk, Networking careers, Networking certifications
I am thinking about switching careers to join the IT field. I was thinking about an AA degree but was told certifications will work better because of specialized fields. Unfortunately, I don’t have four years to get a BA. I’m open to anything, network, software, etc., but I am not interested in help desk. Any [...]
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| May 21, 2011 7:57 PM
Help Desk, Networking careers, Networking certifications
Are IT education and certification costs tax deductible?
I am a working full-time IT guy, and I would like to know if and how IT education and certification costs would be tax deductible. Would it depend on the state you lived in the U.S.? Would these expenses be deducted from taxes like university classes? Are they only deductible when itemizing taxes as a [...]
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| March 1, 2012 7:53 PM
Certification costs, Education costs, Networking, Taxes
I am a working full-time IT guy, and I would like to know if and how IT education and certification costs would be tax deductible. Would it depend on the state you lived in the U.S.? Would these expenses be deducted from taxes like university classes? Are they only deductible when itemizing taxes as a [...]
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| March 1, 2012 7:53 PM
Certification costs, Education costs, Networking, Taxes
What are the pros and cons of MCSE and CCNA training?
I am thinking about getting my MCSE and CCNA certifications. What is the fee of the training? Also, what salary can I expect after earning these certifications?
Answer Question
| December 14, 2009 7:52 PM
CCNA, MSCE, Networking, Training
I am thinking about getting my MCSE and CCNA certifications. What is the fee of the training? Also, what salary can I expect after earning these certifications?
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| December 14, 2009 7:52 PM
CCNA, MSCE, Networking, Training
How can I become a wireless networking engineer?
I am interested in becoming a wireless networking engineer. What are the job requirements for this, and what amount of training would I need to become a wireless networking professional?
Answer Question
| December 14, 2009 7:49 PM
Network engineering, Networking, Networking careers, Wireless Network
I am interested in becoming a wireless networking engineer. What are the job requirements for this, and what amount of training would I need to become a wireless networking professional?
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| December 14, 2009 7:49 PM
Network engineering, Networking, Networking careers, Wireless Network
networking:question on summarization
what are the steps to get the summary address and the summary mask of a group of network addresses in a cisco router?.
Answer Question
| December 29, 2009 8:51 AM
Cisco IOS, Cisco Routers
what are the steps to get the summary address and the summary mask of a group of network addresses in a cisco router?.
Answer Question
| December 29, 2009 8:51 AM
Cisco IOS, Cisco Routers
The most-watched IT questions this week: Dec. 8, 2009
Here are the 10 most watched questions on ITKE: There’s some great discussion going on. Go answer a question now! 1. Pushan1234 asks about Returning string value from a stored procedure in sql server 2005 to vc# ide code at runtime. CarlosDL and MrDenny provide some pointers. 2. Bonbon78 runs into trouble Converting date values [...]
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| December 9, 2009 8:07 PM
AS/400, Channel, CIO, CRM, Database, DataCenter, DataManagement, Development, Exchange, ITKE, Linux, Lotus Domino, Microsoft Windows, Mobile, Networking, Oracle, SAP, Security, SQL Server, Storage, Virtualization, VoIP
Here are the 10 most watched questions on ITKE: There’s some great discussion going on. Go answer a question now! 1. Pushan1234 asks about Returning string value from a stored procedure in sql server 2005 to vc# ide code at runtime. CarlosDL and MrDenny provide some pointers. 2. Bonbon78 runs into trouble Converting date values [...]
Answer Question
| December 9, 2009 8:07 PM
AS/400, Channel, CIO, CRM, Database, DataCenter, DataManagement, Development, Exchange, ITKE, Linux, Lotus Domino, Microsoft Windows, Mobile, Networking, Oracle, SAP, Security, SQL Server, Storage, Virtualization, VoIP
