VPn solution required for remote IP telephony
We would like to have remote ip telephony connectivity for our office so that it will be helpful for our remote users and our Royal customers to have ip soft phone which will be connected to our network through VPN tunnel to our IP PABX and dial out locally. We are having ADSL modem connectivity [...]
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| November 27, 2005 11:40 AM
Application security, Availability, Cabling, Database, Encryption, Exchange, Firewalls, Forensics, Hardware, Hubs, Incident response, Instant Messaging, Intrusion management, Network security, Networking, Nortel, Routers, Secure Coding, Security, Switches, VoIP, VPN, Wireless
We would like to have remote ip telephony connectivity for our office so that it will be helpful for our remote users and our Royal customers to have ip soft phone which will be connected to our network through VPN tunnel to our IP PABX and dial out locally. We are having ADSL modem connectivity [...]
ARP, Layer 2 Broadcasts, Switches and NICs
How does ARP work with layer 2 broadcasts? What I mean is, if an IP address is not yet in its cache, ARP broadcasts an ARP request in order to discover the corresponding MAC address, right? Does that mean that the hardware address of the Ethernet frame that encapsulates the ARP request is ff:ff:ff:ff:ff:ff? Also, [...]
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| December 6, 2005 9:11 AM
Cabling, Hardware, Hubs, Networking, Routers, Switches
How does ARP work with layer 2 broadcasts? What I mean is, if an IP address is not yet in its cache, ARP broadcasts an ARP request in order to discover the corresponding MAC address, right? Does that mean that the hardware address of the Ethernet frame that encapsulates the ARP request is ff:ff:ff:ff:ff:ff? Also, [...]
Setting Up VLAN across WAN link for Testing
I am trying to setup a Vlan via a WAN Link. Local End has already 4 VLANs. Remote End doesn’t. Remote end needs to access VLAN id 4 via the WAN link. Local Gateway router = Cisco 3660 Remote Gateway Router = Cisco 3660 Local Switch = Cisco 3750 Remote Switch = Cisco 2924 What [...]
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| December 5, 2005 12:21 AM
Availability, Bandwidth, Cabling, Cisco, Hardware, Hubs, IPv4, Network monitoring, Network protocols, Networking, Performance management, Ping, Routers, Switches, TCP
I am trying to setup a Vlan via a WAN Link. Local End has already 4 VLANs. Remote End doesn’t. Remote end needs to access VLAN id 4 via the WAN link. Local Gateway router = Cisco 3660 Remote Gateway Router = Cisco 3660 Local Switch = Cisco 3750 Remote Switch = Cisco 2924 What [...]
AOL Spammer IP Identification
Concerning the ever increasing amount of received spam, to battle this I have a program with which I can extract the IP address from the sender for reporting purposes, however, I have been receiving an increasing amount from AOL proxy server for which I cannot aquire the senders IP address. Is there another way I [...]
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| November 20, 2005 11:56 AM
Access control, Active Directory, Application security, Availability, backdoors, Bandwidth, Bind, Biometrics, Browsers, Cabling, Compliance, configuration, CRM, Current threats, Database, DataCenter, Development, DHCP, Digital certificates, Disaster Recovery, DNS, Encryption, Exchange, filtering, Firewalls, Forensics, General Directories, Hacking, Hardware, Hubs, human factors, Identity & Access Management, Incident response, Instant Messaging, Interoperability, Intrusion management, Lotus Domino, Microsoft Windows, Network applications management, Network management software, Network monitoring, Network security, Network testing, Networking, Networking services, patching, PEN testing, Performance management, Ping, Platform Security, Policies, Protocol analysis, provisioning, Remote management, Risk management, Routers, Secure Coding, Security, Security Program Management, Security tokens, Servers, Single sign-on, Software, Spyware, SSL/TLS, Switches, Tech support, Trojans, Viruses, VPN, vulnerability management, Web security, Wireless, worms
Concerning the ever increasing amount of received spam, to battle this I have a program with which I can extract the IP address from the sender for reporting purposes, however, I have been receiving an increasing amount from AOL proxy server for which I cannot aquire the senders IP address. Is there another way I [...]
Stop bit problem: USB to Serial Converter attached to motion controller, unable to set for 7-E-2
I have three different USB to Serial converters, one of them an isolated converter from B&B. One brand of motion controller I work on uses EVEN parity / 7 data bits / 2 stop bits as its default. I find that none of my converters will work on the controller in this configuration. If I [...]
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| November 22, 2005 5:36 PM
3Com, Active Directory, ActiveX, Administration, Apache, Automated, Availability, BASIC, Benchmarking, Business Objects, C, Cabling, Cape Clear Cape Connect, Career development, Cisco, Clustering, Cognos, Crystal Reports, Data analysis, Data Junction, Data management and storage, Data mining/analysis, Data warehousing applications, Database, DataCenter, DB2, Dell, Desktop management applications, Desktops, Development, DHCP, Distribution/logistics applications, DNS, Enterprise Desktop, Ethernet, Fault isolation, Fax and print management, FDDI, File, Frame Relay, Functional, H.323, Hardware, Hardware selection and management, Hewlett-Packard, Hewlett-Packard Application Server, Hubs, Hyperion, IBM, Informatica, Information Builders, Interoperability, Lifecycle development, Linux, Lotus Domino, Management, Manufacturing applications, Microprocessors, Microsoft Systems Management Server, Microsoft Windows, Migrations and upgrades, Monitoring, NCR, NCR/Teradata, Network applications management, Network connectivity, Network management software, Network monitoring, Network protocols, Network testing, Networking, Networking services, NIC, Novell IPX/SPX, Oracle, OS, Performance and availability, Performance management, Performance/Load, Ping, Power management, Printers, Programming Languages, Protocol analysis, Remote management, Routers, SAP, SAS Institute, Security, Servers, Software, Software testing, Software testing tools, SPSS, SQL Server, standards, Storage, Switches, Systems management software, TCP, Tech support, Thermal controls
I have three different USB to Serial converters, one of them an isolated converter from B&B. One brand of motion controller I work on uses EVEN parity / 7 data bits / 2 stop bits as its default. I find that none of my converters will work on the controller in this configuration. If I [...]
Upgrade step from win nt and win 2000 to win 2003
I have windowsNT and window 2000 servers with active directory which i want to upgrade to windows 2003,all servers meet requirement for new vesion.Now can same help me on how to upgrade?what steps should i take
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| November 14, 2005 2:16 AM
3Com, Access, Active Directory, Apache, ATG Dynamo, Availability, Avaya, Bandwidth, BEA WebLogic, Billing and customer care, Billing Support Systems, Bind, BlackBerry, Cabling, Cape Clear Cape Connect, Career development, Certifications, Cisco, DataCenter, Desktops, Development, DHCP, DNS, Ethernet, FDDI, Frame Relay, General Directories, H.323, Handheld, Hardware, Hewlett-Packard Application Server, Hubs, IPv4, IPv6, LDAP, Lotus Domino, Management, Microprocessors, Microsoft .NET, Microsoft Office, Microsoft Windows, MPLS, NetBIOS, Network monitoring, Network protocols, Networking, Networking services, NFS, NIC, Novell IPX/SPX, Novell NDS, OS, Palm OS, Patch management, Performance management, Ping, Printers, Routers, Security, Servers, SIP, SQL Server, Switches, Symbian, TCP, Training, Windows Mobile, WINS
I have windowsNT and window 2000 servers with active directory which i want to upgrade to windows 2003,all servers meet requirement for new vesion.Now can same help me on how to upgrade?what steps should i take
layer 2 & layer 3 switch
Hi All, what is the basic difference between layer 2 & layer 3 switch. how can configure layer 2 & layer3 managable switch
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| November 10, 2005 6:50 AM
Access control, Application security, Availability, backdoors, Bandwidth, Biometrics, Browsers, Cabling, Cisco, Compliance, configuration, CRM, Current threats, Database, Digital certificates, Disaster Recovery, E-business, Encryption, Exchange, Exchange security, filtering, Firewalls, Forensics, Hacking, Hardware, Hubs, human factors, Identity & Access Management, Incident response, Instant Messaging, Interoperability, Intrusion management, Network monitoring, Network protocols, Network security, Networking, patching, PEN testing, Performance management, Ping, Platform Security, Policies, provisioning, Risk management, Routers, Secure Coding, Security, Security Program Management, Security tokens, Servers, Single sign-on, Software, Spyware, SSL/TLS, Switches, Tech support, Trojans, Viruses, VoIP, VPN, vulnerability management, Web security, Wireless, worms
Hi All, what is the basic difference between layer 2 & layer 3 switch. how can configure layer 2 & layer3 managable switch
checklist for moving datacenter
Hello. Our company have a plan to move datacenter in a month and my boss ordered me to make out the plan for it. But I don’t know how to do it, especially I have no idea about what I should check for moving datacenter. Help me! How can I get the process, checklist…. for [...]
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| January 9, 2012 10:30 AM
Budgeting, Cabling, DataCenter, Power management, Project management, Remote management, ROI & cost justification, standards, Thermal controls, Updates from SearchDataCenter staff
Hello. Our company have a plan to move datacenter in a month and my boss ordered me to make out the plan for it. But I don’t know how to do it, especially I have no idea about what I should check for moving datacenter. Help me! How can I get the process, checklist…. for [...]
RIP Timers
Dear all, I am confused on RIP timers. Especially, Hold-Down timer. Can someone de-brief me with an example sceanrio that how each timer in RIP behaves and the co-relate with each other?
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| November 6, 2005 3:38 AM
Cabling, Cisco, Hardware, Hubs, IPv4, Routers, Switches
Dear all, I am confused on RIP timers. Especially, Hold-Down timer. Can someone de-brief me with an example sceanrio that how each timer in RIP behaves and the co-relate with each other?
Problem with Cisco Static nat rules
Hi you guys, We are currently in the process to replace our firewall with a Cisco pix 515. I?ve set it up in a testing environment in order to make a replica of the network so I can test everything. The way the network is setup right now we use NAT to translate the internet [...]
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| November 3, 2005 5:16 AM
Cabling, Cisco, Hardware, Hubs, Routers, Switches
Hi you guys, We are currently in the process to replace our firewall with a Cisco pix 515. I?ve set it up in a testing environment in order to make a replica of the network so I can test everything. The way the network is setup right now we use NAT to translate the internet [...]
Need help with network design
Hi, Can anyone help me to design his network. 2 buildings to be connected 400 feet apart. Building dimensions – 400 x 300 MDF in Building 1 on ground floor, 25 computers on Ground floor Building 1 – First floor , 24 computers building 2 – Ground floor – 16 computers (Tech center) Place file [...]
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| November 4, 2005 7:03 AM
Cabling, Networking
Hi, Can anyone help me to design his network. 2 buildings to be connected 400 feet apart. Building dimensions – 400 x 300 MDF in Building 1 on ground floor, 25 computers on Ground floor Building 1 – First floor , 24 computers building 2 – Ground floor – 16 computers (Tech center) Place file [...]
Trunking (router + vlan) and security
We have a switch with two VLAN. One VLAN is on the firewall/Internet side, the other VLAN is on the LAN side. The switch is connected to a router, like this http://www.cisco.com/warp/public/473/50a.jpg The router is connected to an MPLS cloud through another router. The job of the router is to route the traffic from/to the [...]
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| October 28, 2005 5:53 AM
Cabling, Cisco, Firewalls, Forensics, Hardware, Hubs, Incident response, Intrusion management, Network security, Networking, Routers, Security, Switches, VPN, Wireless
We have a switch with two VLAN. One VLAN is on the firewall/Internet side, the other VLAN is on the LAN side. The switch is connected to a router, like this http://www.cisco.com/warp/public/473/50a.jpg The router is connected to an MPLS cloud through another router. The job of the router is to route the traffic from/to the [...]
Will we really save money having users shut down computers at end of day?
The article below caught my attention. It says that 217 million dollars a year is wasted just in the UK alone by employees leaving computers on overnight. I never shut mine down…my old mentor thought it was actually harmful. Needless to say, we don’t have a policy about shutting down computers here at the end [...]
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| April 19, 2010 12:21 AM
Budgeting, Business/IT alignment, Cabling, DataCenter, Desktops, Hardware, Hubs, Management, Microsoft Windows, Networking, OS, Power management, ROI & cost justification, Routers, Security, Servers, SQL Server, Switches, Tech support
The article below caught my attention. It says that 217 million dollars a year is wasted just in the UK alone by employees leaving computers on overnight. I never shut mine down…my old mentor thought it was actually harmful. Needless to say, we don’t have a policy about shutting down computers here at the end [...]
NTP not functioning – Segmented Management VLAN
I’m configuring a building wide network of layer2 and layer3 ciscos to use NTP but I’m not getting ntp updates from the ntp servers. Drawing a picture of this would have a Collapsed Core of 2 4500s and 2950 Access switches are 2950s setup based on Cisco’s typical building block network diagram. The only deviation [...]
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| October 25, 2005 10:25 PM
Cabling, Cisco, Hardware, Hubs, Network protocols, Routers, Switches, TCP
I’m configuring a building wide network of layer2 and layer3 ciscos to use NTP but I’m not getting ntp updates from the ntp servers. Drawing a picture of this would have a Collapsed Core of 2 4500s and 2950 Access switches are 2950s setup based on Cisco’s typical building block network diagram. The only deviation [...]
simple remote administration
hey y’all… is there a way to do the following remotely? change passwords create a share on a server hard drive I have the adminpak installed on my workstation which allows me to do it. I want to be able to do it from ANY computer on the network. I have Win2k3 servers only, and [...]
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| November 26, 2007 10:41 AM
Active Directory, Biometrics, Cabling, DataCenter, Desktops, Development, DHCP, Digital certificates, DNS, Ethernet, Hardware, Help Desk, Hubs, Identity & Access Management, LDAP, Management, Microsoft Office, Microsoft Windows, Network management software, Network protocols, Networking, Networking services, OS, provisioning, Remote management, Routers, Security, Security tokens, Servers, Single sign-on, SQL Server, Switches
hey y’all… is there a way to do the following remotely? change passwords create a share on a server hard drive I have the adminpak installed on my workstation which allows me to do it. I want to be able to do it from ANY computer on the network. I have Win2k3 servers only, and [...]
Wiring/Krone connectors
Forwarding question: What are the implications of connecting 2 wire copper test equipment to the permanent wiring side of Krone connectors over the top of existing wires? My belief is that it can cause noise by spreading the blades to far apart. Is there an alternative connector that can be used for testing purposes that [...]
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| October 18, 2005 6:56 AM
Cabling, Hardware, Hubs, Routers, Switches
Forwarding question: What are the implications of connecting 2 wire copper test equipment to the permanent wiring side of Krone connectors over the top of existing wires? My belief is that it can cause noise by spreading the blades to far apart. Is there an alternative connector that can be used for testing purposes that [...]
What does “DB” mean, in DB-9 serial port?
Posted on behalf of Ben: What does “DB” mean, in DB-9 serial port?
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| May 29, 2012 11:29 AM
Cabling, Hardware, Hubs, Network protocols, Networking, Routers, Switches, Tech support
Posted on behalf of Ben: What does “DB” mean, in DB-9 serial port?
Why do IT projects fail?-3
Hi, I’m a Computer Engineering at CSU Chico. I’m conducting a research paper on “Why IT Projects Fail”. If someone could give me an example of a failed projects, “failed” meaning that it didn’t get finished on time, or the final project did not meet the requierments. Also if you could give a quick description [...]
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| September 30, 2008 3:10 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
Hi, I’m a Computer Engineering at CSU Chico. I’m conducting a research paper on “Why IT Projects Fail”. If someone could give me an example of a failed projects, “failed” meaning that it didn’t get finished on time, or the final project did not meet the requierments. Also if you could give a quick description [...]
Why do IT projects fail?-2
Hi, I’m a Computer Engineering at CSU Chico. I’m conducting a research paper on “Why IT Projects Fail”. If someone could give me an example of a failed projects, “failed” meaning that it didn’t get finished on time, or the final project did not meet the requierments. Also if you could give a quick description [...]
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| October 10, 2005 3:10 PM
390, Business/IT alignment, 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, Routers, Security, Servers, Software Quality Assurance, Software testing, SQL Server, Switches, Tech support
Hi, I’m a Computer Engineering at CSU Chico. I’m conducting a research paper on “Why IT Projects Fail”. If someone could give me an example of a failed projects, “failed” meaning that it didn’t get finished on time, or the final project did not meet the requierments. Also if you could give a quick description [...]
File Synchronization
In a server 2003 environment, we sync our My Documents folder to the server. One user’s account, when logging off, takes an enourmous amount of time to complete syncronize and he gets these errors repeatedly in the error log: offline files [servernameusersusermy docs]UNABLE TO MAKE READING.mdb available offline. Any suggestions as to what I can [...]
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| October 5, 2005 12:38 PM
Cabling, Cisco, Dell, Desktops, Hardware, Hubs, Management, Microsoft Office, Microsoft Windows, Network monitoring, Network protocols, Networking, OS, Performance management, Routers, Security, Servers, SQL Server, Switches, VoIP
In a server 2003 environment, we sync our My Documents folder to the server. One user’s account, when logging off, takes an enourmous amount of time to complete syncronize and he gets these errors repeatedly in the error log: offline files [servernameusersusermy docs]UNABLE TO MAKE READING.mdb available offline. Any suggestions as to what I can [...]





