How do I send/receive email directly from the Exchange 2003 server?
You are using what is called ‘split-brain DNS’ — that is having both your internal and external DNS name spaces as “abc.com”. This is fine but requires some amount of administrative overhead to maintain, to prevent internal requests from traversing the WAN for requests such as “www.abc.com”. That, however, is not the focus of this [...]
View Answer
| February 9, 2008 12:52 AM
Exchange 2003, Exchange Server, ISP, POP3, SMTP
You are using what is called ‘split-brain DNS’ — that is having both your internal and external DNS name spaces as “abc.com”. This is fine but requires some amount of administrative overhead to maintain, to prevent internal requests from traversing the WAN for requests such as “www.abc.com”. That, however, is not the focus of this [...]
View Answer
| February 9, 2008 12:52 AM
Exchange 2003, Exchange Server, ISP, POP3, SMTP
Community Message: Answer these questions and earn Knowledge Points
You may want to review the links you provided. Some (for instance “What is the purpose of the OPEN command in RPG IV?” under the AS/400 tag) are not functioning. Others have answers in the discusssion section (though not in the answer section).
View Answer
| February 5, 2008 9:55 PM
AS/400, Database, DataCenter, Development, Exchange, Lotus Domino, Microsoft Windows, Mobile, Networking, Oracle, Security, SQL Server, Storage, VoIP
You may want to review the links you provided. Some (for instance “What is the purpose of the OPEN command in RPG IV?” under the AS/400 tag) are not functioning. Others have answers in the discusssion section (though not in the answer section).
View Answer
| February 5, 2008 9:55 PM
AS/400, Database, DataCenter, Development, Exchange, Lotus Domino, Microsoft Windows, Mobile, Networking, Oracle, Security, SQL Server, Storage, VoIP
Message Passing between programs
If you are continuing to have a problem in this area please post what your current code looks like. It appears that you have been trying several approaches, and I’m not sure what your current status might be.
View Answer
| February 5, 2008 9:00 PM
AS/400, Messaging
If you are continuing to have a problem in this area please post what your current code looks like. It appears that you have been trying several approaches, and I’m not sure what your current status might be.
View Answer
| February 5, 2008 9:00 PM
AS/400, Messaging
Limiting bandwidth for streaming online audio/video
Your bottleneck is at the ISP facing router. That’s where I would do your filtering and queuing. Since you only have a couple of phones, I would concentrate on cleaning up your traffic first. Configure/show nbar stats to see whats clogging up your pipe. Then, on the router, set up your class-map for the traffic [...]
View Answer
| January 31, 2008 11:28 PM
ACL, Bandwidth management, CoS, DSCP, QoS, Routers, Switches
Your bottleneck is at the ISP facing router. That’s where I would do your filtering and queuing. Since you only have a couple of phones, I would concentrate on cleaning up your traffic first. Configure/show nbar stats to see whats clogging up your pipe. Then, on the router, set up your class-map for the traffic [...]
View Answer
| January 31, 2008 11:28 PM
ACL, Bandwidth management, CoS, DSCP, QoS, Routers, Switches
VOIP help
The command is <b>”ip helper-address 123.123.123.123″.</b> After you log in, you’ll need to go into the “enable” mode by typing <i>”enable”</i> at the prompt. You’ll then need to change into “Config mode” by typing <i>”conf t”</i> Enter into the interface command context by typing in “<i>interface FastEthernet0/1</i>”* You’ll need to replace the <i>”FastEthernet0/1</i>” part with [...]
View Answer
| January 31, 2008 9:44 PM
Avaya, Cisco, VoIP
The command is <b>”ip helper-address 123.123.123.123″.</b> After you log in, you’ll need to go into the “enable” mode by typing <i>”enable”</i> at the prompt. You’ll then need to change into “Config mode” by typing <i>”conf t”</i> Enter into the interface command context by typing in “<i>interface FastEthernet0/1</i>”* You’ll need to replace the <i>”FastEthernet0/1</i>” part with [...]
View Answer
| January 31, 2008 9:44 PM
Avaya, Cisco, VoIP
communications
Great Question. Let me see if I can make this very simple. I may get a stern talking to by the networking pros but here is how I keep it straight. HALF DUPLEX – I like talking on a CB Radio. Only one person can talk at a time. When I send out my voice [...]
View Answer
| January 31, 2008 12:08 AM
Communications services, Full Duplex, Network
Great Question. Let me see if I can make this very simple. I may get a stern talking to by the networking pros but here is how I keep it straight. HALF DUPLEX – I like talking on a CB Radio. Only one person can talk at a time. When I send out my voice [...]
View Answer
| January 31, 2008 12:08 AM
Communications services, Full Duplex, Network
VoIP Alternative Solutions
When you say you dont have static IP’s in the UAE does that mean you have NONE? If you have at least one I would setup a sonicwall vpn. This can be done dynamically but it will need to use something DDNS. Once their is a sonicwall on each vpn endpoint you add the different [...]
View Answer
| January 28, 2008 3:35 PM
VoIP
When you say you dont have static IP’s in the UAE does that mean you have NONE? If you have at least one I would setup a sonicwall vpn. This can be done dynamically but it will need to use something DDNS. Once their is a sonicwall on each vpn endpoint you add the different [...]
View Answer
| January 28, 2008 3:35 PM
VoIP
Calculating bandwidth for daily video program
Daily views isn’t the number that you want to look at. It’s max concurrent viewers that you need to worry about. The transfer rate will depend on the bit rate and size of the video (screen size that it takes up). The larger the video the the more bandwidth you’ll need. For example if the [...]
View Answer
| January 17, 2008 6:47 AM
Bandwidth, Flash, Networking, Video compression standards
Daily views isn’t the number that you want to look at. It’s max concurrent viewers that you need to worry about. The transfer rate will depend on the bit rate and size of the video (screen size that it takes up). The larger the video the the more bandwidth you’ll need. For example if the [...]
View Answer
| January 17, 2008 6:47 AM
Bandwidth, Flash, Networking, Video compression standards
How do I show recruiters I’m valuable as a network analyst/engineer/manager when I have seven years of Telco experience?
Hi, You can record your resume in several sites for free. Maybe you can start with www.careerbuilder.com sign in for free and register your resume (this place has national and international exposure to recruiters from several parts of the world). good look. From Ed Tittel (IT Certification Guy) Given your present and looming credentials, you [...]
View Answer
| January 16, 2008 7:07 PM
CCNA, CCNP, Certifications, Telecom, Training
Hi, You can record your resume in several sites for free. Maybe you can start with www.careerbuilder.com sign in for free and register your resume (this place has national and international exposure to recruiters from several parts of the world). good look. From Ed Tittel (IT Certification Guy) Given your present and looming credentials, you [...]
View Answer
| January 16, 2008 7:07 PM
CCNA, CCNP, Certifications, Telecom, Training
Call Manager
I could see that something called Performance Counter has these details.But is there way to get these details from these counters.I mean does any mib is used to retrieve this performance counter details?
View Answer
| January 16, 2008 6:54 AM
Cisco CallManager, MIB, MIB Module
I could see that something called Performance Counter has these details.But is there way to get these details from these counters.I mean does any mib is used to retrieve this performance counter details?
View Answer
| January 16, 2008 6:54 AM
Cisco CallManager, MIB, MIB Module
Softphone issues
This is the inhearant problem with softphone applications. There are some home routers out there which can be setup with QOS on them so that the VOIP traffic is givin priority. If you are going to install POTS lines in the employee’s homes, why bother with VOIP. Simply have an extention on the PBX forward [...]
View Answer
| January 14, 2008 8:49 PM
Softphone, Telecom, VoIP
This is the inhearant problem with softphone applications. There are some home routers out there which can be setup with QOS on them so that the VOIP traffic is givin priority. If you are going to install POTS lines in the employee’s homes, why bother with VOIP. Simply have an extention on the PBX forward [...]
View Answer
| January 14, 2008 8:49 PM
Softphone, Telecom, VoIP
WAN PROTOCOLS please help
The protocols you mentioned are all WAN protocols that would be used to make connections over long distance. Say an office in California may connect to an office in Georgia over a WAN. Howver, the protocol being used depends on your ISP, the equipment you do/will have, and of course, the cost. It is true [...]
View Answer
| January 7, 2008 4:49 PM
Frame Relay, HDLC, ISDN, PPP, WAN protocol
The protocols you mentioned are all WAN protocols that would be used to make connections over long distance. Say an office in California may connect to an office in Georgia over a WAN. Howver, the protocol being used depends on your ISP, the equipment you do/will have, and of course, the cost. It is true [...]
View Answer
| January 7, 2008 4:49 PM
Frame Relay, HDLC, ISDN, PPP, WAN protocol
differences in network devices-reg
The diference between a hub, switch and a router is as below; 1. A hub cannot do selective forward and hence generates traffic on all connected links. The router will only forward the packet that carries the assigned network address being handled by the port connected to that specific address, the switch also will segrigate [...]
View Answer
| December 20, 2007 6:12 PM
Networking Equipment, Routers, Video Conferencing gear
The diference between a hub, switch and a router is as below; 1. A hub cannot do selective forward and hence generates traffic on all connected links. The router will only forward the packet that carries the assigned network address being handled by the port connected to that specific address, the switch also will segrigate [...]
View Answer
| December 20, 2007 6:12 PM
Networking Equipment, Routers, Video Conferencing gear
Testing voip network
I am guessing you want to generate traffic to analyse with Wireshark or some other traffic monitoring? Then a small IP-PBX should suffice.
View Answer
| December 11, 2007 2:43 AM
Network testing, VoIP
I am guessing you want to generate traffic to analyse with Wireshark or some other traffic monitoring? Then a small IP-PBX should suffice.
View Answer
| December 11, 2007 2:43 AM
Network testing, VoIP
lease line problem.
Hi vivek, which audio codec are you using? please specify which interface G.703 or v.35 or ethernet. we will get definite ans thanks nissar
View Answer
| December 8, 2007 9:42 PM
Leased line, Routers
Hi vivek, which audio codec are you using? please specify which interface G.703 or v.35 or ethernet. we will get definite ans thanks nissar
View Answer
| December 8, 2007 9:42 PM
Leased line, Routers
Looking to perform a complete audit of all IT and Telecom
First of all there is no substitution for a qualified network engineer in this case. There are lots of tools to analyze current configurations like HP’s Open View, TrackIT or even Visio but for an application to tell you your needs I have never seen an app that can do this! It would need to [...]
View Answer
| November 30, 2007 1:42 PM
IT auditing, Telecom
First of all there is no substitution for a qualified network engineer in this case. There are lots of tools to analyze current configurations like HP’s Open View, TrackIT or even Visio but for an application to tell you your needs I have never seen an app that can do this! It would need to [...]
View Answer
| November 30, 2007 1:42 PM
IT auditing, Telecom
Shifting Services over Fiber
Personally I have not had issues with using one fiber pair for all my services. We have had 100% up time on our fiber in the last 9 months. But in a high profile situation I would break it up as to not put all my eggs in one basket.
View Answer
| November 19, 2007 3:24 PM
Network connectivity, Network security, Networking, Networking services, Security, VoIP, VoIP security, VoIP security best practices, VoIP services
Personally I have not had issues with using one fiber pair for all my services. We have had 100% up time on our fiber in the last 9 months. But in a high profile situation I would break it up as to not put all my eggs in one basket.
View Answer
| November 19, 2007 3:24 PM
Network connectivity, Network security, Networking, Networking services, Security, VoIP, VoIP security, VoIP security best practices, VoIP services
Videoconferencing
Video conferencing can be highly intensive bandwidth wise. We also do not use it regularly but need it in place when we need it. We have a 100mbps line with burstable options up to 500mbps. It is an Ethernet hand off. This was the most cost efficient way of doing this. We pay a little [...]
View Answer
| November 19, 2007 3:10 PM
MPLS, Network connectivity, videoconferencing, VoIP, VoIP case studies
Video conferencing can be highly intensive bandwidth wise. We also do not use it regularly but need it in place when we need it. We have a 100mbps line with burstable options up to 500mbps. It is an Ethernet hand off. This was the most cost efficient way of doing this. We pay a little [...]
View Answer
| November 19, 2007 3:10 PM
MPLS, Network connectivity, videoconferencing, VoIP, VoIP case studies
point to point circuits
Point to Point circuits are used to connect two locations together. This could be for voice or data. Even with the new technologies around, there is still a benefit for point to point. Here is an example – at my company we have a central location with 2 remote locations about a mile away, in [...]
View Answer
| November 16, 2007 4:35 PM
Telecom, Telecommunications
Point to Point circuits are used to connect two locations together. This could be for voice or data. Even with the new technologies around, there is still a benefit for point to point. Here is an example – at my company we have a central location with 2 remote locations about a mile away, in [...]
View Answer
| November 16, 2007 4:35 PM
Telecom, Telecommunications
To use the internet from two ISP
Yes, you can do this but it is not a simple or quick process. The following article on TechRepublic <a href=”http://articles.techrepublic.com.com/5100-1035-1052940.html”>http://articles.techrepublic.com.com/5100-1035-1052940.html</a> and others like it should steer you in the right direction. Essentially, you need two or more full Class-C IP subnet blocks, an ASN, two ISPs and a BGP capable router. You will want [...]
View Answer
| November 10, 2007 11:34 AM
ISP
Yes, you can do this but it is not a simple or quick process. The following article on TechRepublic <a href=”http://articles.techrepublic.com.com/5100-1035-1052940.html”>http://articles.techrepublic.com.com/5100-1035-1052940.html</a> and others like it should steer you in the right direction. Essentially, you need two or more full Class-C IP subnet blocks, an ASN, two ISPs and a BGP capable router. You will want [...]
View Answer
| November 10, 2007 11:34 AM
ISP
