SFP module and Optical Fibre Cable
One fiber is for transmitting, the other for receiving, but it doesn’t matter which does which — “transmit/receive” is going to be different from each switch’s point of view anyway, isn’t it? All you need to do is make sure you have one switch’s TX connected to the other’s RX and vice versa. You can’t [...]
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| December 15, 2008 8:24 PM
Cabling, HP ProCurve, Network cabling, Network design, Optical fiber, SFP modules, Small Form-Factor Pluggable modules, Switch configuration, Switches
One fiber is for transmitting, the other for receiving, but it doesn’t matter which does which — “transmit/receive” is going to be different from each switch’s point of view anyway, isn’t it? All you need to do is make sure you have one switch’s TX connected to the other’s RX and vice versa. You can’t [...]
View Answer
| December 15, 2008 8:24 PM
Cabling, HP ProCurve, Network cabling, Network design, Optical fiber, SFP modules, Small Form-Factor Pluggable modules, Switch configuration, Switches
Configuring MS Exchange 2003 for SBS to send and receive mails on internet
Hello Vikas, Regarding UC520, I beleive the default configuration comes with quite a few access lists configured. So if you have to explicitly add a statement allowing that. I am adding quite a bit of information on questions like these on my <a href=”http://www.questivity.com/uc520.html”> uc520 VoIP solutions page. </a> If you still cannot get this [...]
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| December 14, 2008 8:40 PM
Cisco UC520, Exchange 2003, POP3 connector, SBS, SBS 2003 R2, SMTP connector
Hello Vikas, Regarding UC520, I beleive the default configuration comes with quite a few access lists configured. So if you have to explicitly add a statement allowing that. I am adding quite a bit of information on questions like these on my <a href=”http://www.questivity.com/uc520.html”> uc520 VoIP solutions page. </a> If you still cannot get this [...]
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| December 14, 2008 8:40 PM
Cisco UC520, Exchange 2003, POP3 connector, SBS, SBS 2003 R2, SMTP connector
good email and colaboration suite
Have you looked at Exchange Online? http://www.microsoft.com/online/exchange-online.mspx David
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| December 12, 2008 1:38 AM
Collaboration tools, Email software, Icewarp, Web email services, Web mail
Have you looked at Exchange Online? http://www.microsoft.com/online/exchange-online.mspx David
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| December 12, 2008 1:38 AM
Collaboration tools, Email software, Icewarp, Web email services, Web mail
How to configure SIP server in Cisco 3660 router?
Check this <a href=”http://www.cisco.com/en/US/docs/ios/12_2/voice/configuration/guide/vvfsip.html”>Cisco site</a> This <a href=”http://www.cisco.com/en/US/docs/ios/12_2/voice/configuration/guide/vvfsip.html”>site</a> might also have something useful. Good Luck! -Flame
View Answer
| December 11, 2008 9:24 PM
Cisco 3660, Cisco IOS, Cisco IOS 12.4T, Cisco Routers, Internetwork Operating System, Router configuration, Routers, SIP
Check this <a href=”http://www.cisco.com/en/US/docs/ios/12_2/voice/configuration/guide/vvfsip.html”>Cisco site</a> This <a href=”http://www.cisco.com/en/US/docs/ios/12_2/voice/configuration/guide/vvfsip.html”>site</a> might also have something useful. Good Luck! -Flame
View Answer
| December 11, 2008 9:24 PM
Cisco 3660, Cisco IOS, Cisco IOS 12.4T, Cisco Routers, Internetwork Operating System, Router configuration, Routers, SIP
How to configure VPN with Cable Internet?
Whether your broadband is connected via Cable, ,DSL or HS wireless, the method for connecting to a remote network via VPN is the same. This <a href=”http://www.windowsecurity.com/articles/Configure-VPN-Connection-Windows-XP.html”>article</a> and <a href=”http://compnetworking.about.com/od/vpn/ht/newvpnwindowsxp.htm”>this one</a>. do a good job explaining how it is done. You want to make sure you have the correct IP address for the remote network, [...]
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| December 10, 2008 7:39 PM
Cable ISP, Internet connectivity, Network connectivity, Remote access, VPN, VPN configuration
Whether your broadband is connected via Cable, ,DSL or HS wireless, the method for connecting to a remote network via VPN is the same. This <a href=”http://www.windowsecurity.com/articles/Configure-VPN-Connection-Windows-XP.html”>article</a> and <a href=”http://compnetworking.about.com/od/vpn/ht/newvpnwindowsxp.htm”>this one</a>. do a good job explaining how it is done. You want to make sure you have the correct IP address for the remote network, [...]
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| December 10, 2008 7:39 PM
Cable ISP, Internet connectivity, Network connectivity, Remote access, VPN, VPN configuration
IP phone configuration
Here is some info on a <a href=”http://www.asdb.state.az.us/it/files/faq_phones/UserGuide7940_7960.pdf”>Cisco IP Phone</a> It includes a connection diagram as well. This <a href=”http://www.inphonex.com/support/linksys-spa9000-configuration.php”>site</a> has information about Linksys’ (a.k.a. “Baby Cisco”) IP phone solution. Good Luck! -Flame *******************************
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| December 9, 2008 12:59 PM
IP phone configuration, IP phones, Networking services, VoIP
Here is some info on a <a href=”http://www.asdb.state.az.us/it/files/faq_phones/UserGuide7940_7960.pdf”>Cisco IP Phone</a> It includes a connection diagram as well. This <a href=”http://www.inphonex.com/support/linksys-spa9000-configuration.php”>site</a> has information about Linksys’ (a.k.a. “Baby Cisco”) IP phone solution. Good Luck! -Flame *******************************
View Answer
| December 9, 2008 12:59 PM
IP phone configuration, IP phones, Networking services, VoIP
Professional certification versus a postgraduate degree in telecommunications
Dear Sir or Madam: A wise man once told me that all good questions get answers that start with these two words: “That depends…” In your case, where you wish to choose between more post-grad education versus certification depends on your answers to these counter-questions: 1. What do you want to do in the field? [...]
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| December 7, 2008 1:20 PM
Career change, Career development, Careers in networking, Certifications, Degree, IT careers, Networking, Telecommunications
Dear Sir or Madam: A wise man once told me that all good questions get answers that start with these two words: “That depends…” In your case, where you wish to choose between more post-grad education versus certification depends on your answers to these counter-questions: 1. What do you want to do in the field? [...]
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| December 7, 2008 1:20 PM
Career change, Career development, Careers in networking, Certifications, Degree, IT careers, Networking, Telecommunications
my system is hanging after clicking my internet client…
Use a tool like <a href=”http://live.sysinternals.com/procexp.exe”>Sysinternals process explorer</a> to see what processes are running and using system resources. You can download the file from the URL mentioned. There could be some issues with your software even with a fresh install. You may not have the correct network card drivers. Be sure to apply all updates [...]
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| December 5, 2008 4:12 PM
ISP, Network performance, System performance
Use a tool like <a href=”http://live.sysinternals.com/procexp.exe”>Sysinternals process explorer</a> to see what processes are running and using system resources. You can download the file from the URL mentioned. There could be some issues with your software even with a fresh install. You may not have the correct network card drivers. Be sure to apply all updates [...]
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| December 5, 2008 4:12 PM
ISP, Network performance, System performance
How do I configure a softphone?
You need to be subscribed to a voip service provider. Than you need to enter the following information into the softphone: -Provider domain name or IP address -Your username (this can be a normal phone number) -Your password (you will get all this informations from the service provider) That’s all, you can begin to call. [...]
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| December 5, 2008 2:05 PM
Softphone, VoIP, VoIP desktop devices
You need to be subscribed to a voip service provider. Than you need to enter the following information into the softphone: -Provider domain name or IP address -Your username (this can be a normal phone number) -Your password (you will get all this informations from the service provider) That’s all, you can begin to call. [...]
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| December 5, 2008 2:05 PM
Softphone, VoIP, VoIP desktop devices
Any softphone supporting phone number as parameter?
Yes. Our softphone (MizuPhone) have this “feature” <a href=”http://www.mizu-softphone.com/”> Softphone
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| December 5, 2008 1:58 PM
Java, Softphone
Yes. Our softphone (MizuPhone) have this “feature” <a href=”http://www.mizu-softphone.com/”> Softphone
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| December 5, 2008 1:58 PM
Java, Softphone
Asking for IT career and certification advice
Having a bachelor’s degree in IT is a very good foundation. Nothing will prepare you better for management than knowing what you are managing. That means getting in the IT trenches and doing the job you may eventually manage. Doing that will give you greater value in a tightening IT job market. I have worked [...]
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| December 3, 2008 7:42 PM
Banking industry, Career development, Certifications, IT careers, IT education, IT jobs, it management, IT managers, MBA, Oracle certifications, Oracle jobs and training, SAP careers, SAP certifications, SAP ERP, SAP jobs, Telecom, Telecommunications industry
Having a bachelor’s degree in IT is a very good foundation. Nothing will prepare you better for management than knowing what you are managing. That means getting in the IT trenches and doing the job you may eventually manage. Doing that will give you greater value in a tightening IT job market. I have worked [...]
View Answer
| December 3, 2008 7:42 PM
Banking industry, Career development, Certifications, IT careers, IT education, IT jobs, it management, IT managers, MBA, Oracle certifications, Oracle jobs and training, SAP careers, SAP certifications, SAP ERP, SAP jobs, Telecom, Telecommunications industry
Is there a Program That can Take Multiple VIdeo Inputs and place them on one screen
Im not sure exactly if theirs a program solution. I think it would deal more with the hardware of your monitor.
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| December 2, 2008 11:39 PM
Video, Video conferencing, Video Inputs
Im not sure exactly if theirs a program solution. I think it would deal more with the hardware of your monitor.
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| December 2, 2008 11:39 PM
Video, Video conferencing, Video Inputs
Using Skype and Webex at the same time
I use it three times a week and they work just fine, I’d search the root cause somewhere else in the system/installation. Bye Don’t forget to visit my blog:<a href=”http://itknowledgeexchange.techtarget.com/it-support/”> If it has a plug, it’s IT stuff!!</a>
View Answer
| December 2, 2008 2:10 PM
Skype, Skype and WebEx Interoperability, WebEx
I use it three times a week and they work just fine, I’d search the root cause somewhere else in the system/installation. Bye Don’t forget to visit my blog:<a href=”http://itknowledgeexchange.techtarget.com/it-support/”> If it has a plug, it’s IT stuff!!</a>
View Answer
| December 2, 2008 2:10 PM
Skype, Skype and WebEx Interoperability, WebEx
Get Image from webcam
This is not a hard thing to do. We are going to use some functions from USER32 and avicap32.dll, so the first thing is to declare them. <pre>Private Declare Function SendMessage Lib “USER32″ Alias “SendMessageA” (ByVal hwnd As Long, ByVal wMsg As Long, ByVal wParam As Long, lParam As Any) As Long Private Declare Function [...]
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| November 28, 2008 5:54 PM
VB 6, VB 6.0, VB 6.0 Image Capture, Webcam
This is not a hard thing to do. We are going to use some functions from USER32 and avicap32.dll, so the first thing is to declare them. <pre>Private Declare Function SendMessage Lib “USER32″ Alias “SendMessageA” (ByVal hwnd As Long, ByVal wMsg As Long, ByVal wParam As Long, lParam As Any) As Long Private Declare Function [...]
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| November 28, 2008 5:54 PM
VB 6, VB 6.0, VB 6.0 Image Capture, Webcam
fiber optics
Single mode fiber is only when the distance is more than 200 meters, multimode cable can be used under the distance of less than 200 meters. Mutimode uses LED for signal tranmission and Single Mode uses Laser for signal transmission. As far as performance is concerned both will perform in a similar way the only [...]
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| November 28, 2008 5:46 PM
LAN, Multimode Fiber, Singlemode Fiber, Singlemode Patch Cords
Single mode fiber is only when the distance is more than 200 meters, multimode cable can be used under the distance of less than 200 meters. Mutimode uses LED for signal tranmission and Single Mode uses Laser for signal transmission. As far as performance is concerned both will perform in a similar way the only [...]
View Answer
| November 28, 2008 5:46 PM
LAN, Multimode Fiber, Singlemode Fiber, Singlemode Patch Cords
Latency and JItter
This article on <a href=”http://www.networkworld.com/community/node/30924″>IP SLA monitoring</a> may have just what you need. You can also try www.voipspear.com. This is a tool that will monitor your Internet connection 24x7x365 and give you a MOS score between 1 (poor quality) and 5 (excellent quality). VoIP Spear monitors your latency, packet loss, and jitter to calculate the [...]
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| November 26, 2008 8:58 PM
VoIP network optimization, VoIP performance, VoIP QoS
This article on <a href=”http://www.networkworld.com/community/node/30924″>IP SLA monitoring</a> may have just what you need. You can also try www.voipspear.com. This is a tool that will monitor your Internet connection 24x7x365 and give you a MOS score between 1 (poor quality) and 5 (excellent quality). VoIP Spear monitors your latency, packet loss, and jitter to calculate the [...]
View Answer
| November 26, 2008 8:58 PM
VoIP network optimization, VoIP performance, VoIP QoS
Protocol bandwidth load
The amount of bandwidth which will be needed will vary from site to site. If you are browsing YouTube you will use a lot more HTTP bandwidth than if you are browsing this site because of the video. It will all depend on the number of users and what sites they are going to.
View Answer
| November 26, 2008 12:12 AM
Bandwidth, FTP, H.323, HTTP, HTTPS, IMAP, POP3, Protocol Bandwidth Load, Protocols
The amount of bandwidth which will be needed will vary from site to site. If you are browsing YouTube you will use a lot more HTTP bandwidth than if you are browsing this site because of the video. It will all depend on the number of users and what sites they are going to.
View Answer
| November 26, 2008 12:12 AM
Bandwidth, FTP, H.323, HTTP, HTTPS, IMAP, POP3, Protocol Bandwidth Load, Protocols
Community Update: New Member Contest – Earn Knowledge Points and win!!
<b>This is open to any members who can shop on Amazon.com and have a valid email address.</b> CarlosDL has surpassed 500 Knowledge Points for this month already. We can know add MrDenny to the list. Flame has now joined the group. Who will be next? 11/17 Techochic Labnuke99 Gilly400 still a lot of time left [...]
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| November 19, 2008 8:36 PM
AS/400, CIO, CRM, Database, Development, Exchange, Linux, Lotus Domino, Microsoft Windows, Mobile, Networking, Oracle, SAP, Security, SQL Server, Storage, Virtualization, VoIP
<b>This is open to any members who can shop on Amazon.com and have a valid email address.</b> CarlosDL has surpassed 500 Knowledge Points for this month already. We can know add MrDenny to the list. Flame has now joined the group. Who will be next? 11/17 Techochic Labnuke99 Gilly400 still a lot of time left [...]
View Answer
| November 19, 2008 8:36 PM
AS/400, CIO, CRM, Database, Development, Exchange, Linux, Lotus Domino, Microsoft Windows, Mobile, Networking, Oracle, SAP, Security, SQL Server, Storage, Virtualization, VoIP
I know the IOS must support IP SLA, is there a minimum IOS version requirement?
Minimum release for most Cisco Routers is 12.3(8)T. I could give you a more specific version if you have the model of the router.
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| November 18, 2008 12:18 AM
Cisco IOS, Internetwork Operating System, IP SLA, Mean Opinion Score, MOS scores
Minimum release for most Cisco Routers is 12.3(8)T. I could give you a more specific version if you have the model of the router.
View Answer
| November 18, 2008 12:18 AM
Cisco IOS, Internetwork Operating System, IP SLA, Mean Opinion Score, MOS scores
Using switch or router ACL to block streaming traffic
Using ACLs is the hard way actually but you can use it if you want for example open up your command prompt type nslookup www.myspace.come >>>> a list with several ip addresses would come up you need to block traffic to and from them using an ACL and to make things worse do nslookup myspace.com [...]
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| November 15, 2008 8:51 AM
ACL, Cisco IOS, Firewalls, Internet, NetScreen, Network traffic management, PIX, Routers, Security, Streaming media, WAN
Using ACLs is the hard way actually but you can use it if you want for example open up your command prompt type nslookup www.myspace.come >>>> a list with several ip addresses would come up you need to block traffic to and from them using an ACL and to make things worse do nslookup myspace.com [...]
View Answer
| November 15, 2008 8:51 AM
ACL, Cisco IOS, Firewalls, Internet, NetScreen, Network traffic management, PIX, Routers, Security, Streaming media, WAN
