Composing a network-switches and routers
I am looking for information to help me decide whether to buy a larger Switch or larger Router? I think I need to get all equipment on the same device? I have a small business network with 2 desktops, 3 to 4 laptops, 2 multifunction Printer/Fax/copy/scanners via USB dedicated to PC?s; 1 USB Photo printer [...]
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| January 18, 2006 3:01 PM
Cabling, DataCenter, Desktop management applications, Hardware, Hubs, Network monitoring, Networking, Printers, Routers, Servers, Switches, Tech support
I am looking for information to help me decide whether to buy a larger Switch or larger Router? I think I need to get all equipment on the same device? I have a small business network with 2 desktops, 3 to 4 laptops, 2 multifunction Printer/Fax/copy/scanners via USB dedicated to PC?s; 1 USB Photo printer [...]
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| January 18, 2006 3:01 PM
Cabling, DataCenter, Desktop management applications, Hardware, Hubs, Network monitoring, Networking, Printers, Routers, Servers, Switches, Tech support
NMAP IN WIRELESS
Hello, Can any one explain me what is NMAP , how NMAP works and how to use it. Kind Regards, Gopal.
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| December 30, 2005 9:10 PM
3Com, Active Directory, Availability, Avaya, Bandwidth, Benchmarking, Bind, Cabling, Cisco, DataCenter, Desktop management applications, DHCP, DNS, Fault isolation, General Directories, Hardware, Hubs, Interoperability, LDAP, Lotus Domino, Microsoft Windows, Mobile, Mobile security, Network applications management, Network management software, Network monitoring, Network testing, Networking, Networking services, NFS, Novell NDS, Performance management, Ping, Protocol analysis, Remote management, Routers, Software, Switches, Tech support, VoIP, WINS, Wireless
Hello, Can any one explain me what is NMAP , how NMAP works and how to use it. Kind Regards, Gopal.
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| December 30, 2005 9:10 PM
3Com, Active Directory, Availability, Avaya, Bandwidth, Benchmarking, Bind, Cabling, Cisco, DataCenter, Desktop management applications, DHCP, DNS, Fault isolation, General Directories, Hardware, Hubs, Interoperability, LDAP, Lotus Domino, Microsoft Windows, Mobile, Mobile security, Network applications management, Network management software, Network monitoring, Network testing, Networking, Networking services, NFS, Novell NDS, Performance management, Ping, Protocol analysis, Remote management, Routers, Software, Switches, Tech support, VoIP, WINS, Wireless
VLANS IN SWITCHES
Hello, I have a managed switch and i have created three vlans in that switches. how can i communicate with these three vlans within this switch and also if i connect another switch with this one to the port belongs to vlan 1 then the frame comes out of third vlan to second switch will [...]
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| November 28, 2007 7:11 PM
Availability, Bandwidth, Hardware, Interoperability, Mobile, Mobile security, Networking, Switches, Tech support, Wireless
Hello, I have a managed switch and i have created three vlans in that switches. how can i communicate with these three vlans within this switch and also if i connect another switch with this one to the port belongs to vlan 1 then the frame comes out of third vlan to second switch will [...]
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| November 28, 2007 7:11 PM
Availability, Bandwidth, Hardware, Interoperability, Mobile, Mobile security, Networking, Switches, Tech support, Wireless
WIRELESS BRIDGES
Dear Sir’s, I have two wireless bridges. Master and Slave which are 800 ft apart and two high gain antennas are attached to these units. I am finding a disconnection problem with these bridges. It works for a while but gets disconnected and after doing powercycle on the slave end the bridge starts working once [...]
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| December 27, 2005 9:06 PM
3Com, Active Directory, Availability, Avaya, Bandwidth, Benchmarking, Bind, Cabling, Cisco, DataCenter, Desktop management applications, DHCP, DNS, Fault isolation, General Directories, Hardware, Hubs, Interoperability, LDAP, Lotus Domino, Microsoft Windows, Mobile, Mobile security, Network applications management, Network management software, Network monitoring, Network testing, Networking, Networking services, NFS, Novell NDS, Performance management, Ping, Protocol analysis, Remote management, Routers, Software, Switches, Tech support, VoIP, WINS, Wireless
Dear Sir’s, I have two wireless bridges. Master and Slave which are 800 ft apart and two high gain antennas are attached to these units. I am finding a disconnection problem with these bridges. It works for a while but gets disconnected and after doing powercycle on the slave end the bridge starts working once [...]
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| December 27, 2005 9:06 PM
3Com, Active Directory, Availability, Avaya, Bandwidth, Benchmarking, Bind, Cabling, Cisco, DataCenter, Desktop management applications, DHCP, DNS, Fault isolation, General Directories, Hardware, Hubs, Interoperability, LDAP, Lotus Domino, Microsoft Windows, Mobile, Mobile security, Network applications management, Network management software, Network monitoring, Network testing, Networking, Networking services, NFS, Novell NDS, Performance management, Ping, Protocol analysis, Remote management, Routers, Software, Switches, Tech support, VoIP, WINS, Wireless
Loadsharing between two ISPs
dear sir, I am looking for a load sharing solution between 2 leased lines for 2 different ISPs the diagram goes lke this: LAN–>Cisco Pix–>Router–>2 leased lines. can load-sharing be done at the router without extra configuration at the providers side? can CEF (cisco express forwarding) be used with static routes? if yes please verify [...]
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| December 28, 2005 10:15 AM
Access control, Availability, backdoors, Bandwidth, Browsers, Cabling, Cisco, Current threats, DHCP, DNS, Ethernet, filtering, Firewalls, Forensics, Hacking, Hardware, Hubs, human factors, Incident response, Intrusion management, IPv4, Network security, Network testing, Networking, Networking services, Performance management, Routers, Servers, Spyware, SSL/TLS, Switches, TCP, Trojans, Viruses, VPN, Web security, Web site design & management, Wireless, worms
dear sir, I am looking for a load sharing solution between 2 leased lines for 2 different ISPs the diagram goes lke this: LAN–>Cisco Pix–>Router–>2 leased lines. can load-sharing be done at the router without extra configuration at the providers side? can CEF (cisco express forwarding) be used with static routes? if yes please verify [...]
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| December 28, 2005 10:15 AM
Access control, Availability, backdoors, Bandwidth, Browsers, Cabling, Cisco, Current threats, DHCP, DNS, Ethernet, filtering, Firewalls, Forensics, Hacking, Hardware, Hubs, human factors, Incident response, Intrusion management, IPv4, Network security, Network testing, Networking, Networking services, Performance management, Routers, Servers, Spyware, SSL/TLS, Switches, TCP, Trojans, Viruses, VPN, Web security, Web site design & management, Wireless, worms
Remote Syslog with MySQL and PHP
Dear All, i want to set up a Remote Syslog with MySQL and PHP on system with whitebox linux,can some tell me a step by step on how to install and configure this,also the requirement needed to complete the task Regards Edwin
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| December 22, 2005 4:43 AM
3Com, Active Directory, Availability, Avaya, Bandwidth, Benchmarking, Billing and customer care, Billing Support Systems, Bind, Cabling, Cisco, Dell, Development, DHCP, DNS, Enterasys, Enterprise Desktop, Ethernet, Fault isolation, FDDI, Foundry, Frame Relay, H.323, Hardware, Hewlett-Packard, Hubs, IPv4, IPv6, Juniper Networks, Linux, Lucent, MPLS, MySQL, NetBIOS, Network management software, Network monitoring, Network protocols, Networking, Networking services, Nortel, Novell IPX/SPX, Performance management, Protocol analysis, Remote management, Routers, SIP, Switches, TCP
Dear All, i want to set up a Remote Syslog with MySQL and PHP on system with whitebox linux,can some tell me a step by step on how to install and configure this,also the requirement needed to complete the task Regards Edwin
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| December 22, 2005 4:43 AM
3Com, Active Directory, Availability, Avaya, Bandwidth, Benchmarking, Billing and customer care, Billing Support Systems, Bind, Cabling, Cisco, Dell, Development, DHCP, DNS, Enterasys, Enterprise Desktop, Ethernet, Fault isolation, FDDI, Foundry, Frame Relay, H.323, Hardware, Hewlett-Packard, Hubs, IPv4, IPv6, Juniper Networks, Linux, Lucent, MPLS, MySQL, NetBIOS, Network management software, Network monitoring, Network protocols, Networking, Networking services, Nortel, Novell IPX/SPX, Performance management, Protocol analysis, Remote management, Routers, SIP, Switches, TCP
USB I/O Hotkey
i have been loking for a way to activate/ deactivate a particular USB port on a Win2k or higher system, preferably WinXP, i have explored various options, such as software, hardware, and simple system configurations. i would like it to be, not a ctrl-Alt- hotkey, but a extra key built into a “hotkey keyboard”, for [...]
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| December 12, 2005 4:34 PM
Hardware
i have been loking for a way to activate/ deactivate a particular USB port on a Win2k or higher system, preferably WinXP, i have explored various options, such as software, hardware, and simple system configurations. i would like it to be, not a ctrl-Alt- hotkey, but a extra key built into a “hotkey keyboard”, for [...]
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| December 12, 2005 4:34 PM
Hardware
LAN connectivity problem with Compaq notebook
I have a Compaq EVO n1020v notebook. This works fine in our office LAN and sometimes it does not at all. Office LAN is a workgroup with ICS enabled in win 2K server. If I check the IP of the notebook it shows the IP of the LAN but never connects to the internet, can’t [...]
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| June 14, 2013 1:35 AM
Business/IT alignment, Cabling, CRM, Data analysis, Data mining/analysis, Data warehousing applications, DataCenter, DataManagement, Desktop management applications, Desktops, DHCP, DNS, E-business, Ecommerce applications, Ethernet, Firewalls, Forensics, Hardware, Hubs, Incident response, Intrusion management, Management, Microsoft Office, Microsoft Windows, Network management software, Network monitoring, Network protocols, Network security, Networking, Networking services, NIC, OS, Patch management, Routers, Security, Servers, Software, SQL Server, Switches, TCP, Tech support, Training, VPN, Wireless
I have a Compaq EVO n1020v notebook. This works fine in our office LAN and sometimes it does not at all. Office LAN is a workgroup with ICS enabled in win 2K server. If I check the IP of the notebook it shows the IP of the LAN but never connects to the internet, can’t [...]
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| June 14, 2013 1:35 AM
Business/IT alignment, Cabling, CRM, Data analysis, Data mining/analysis, Data warehousing applications, DataCenter, DataManagement, Desktop management applications, Desktops, DHCP, DNS, E-business, Ecommerce applications, Ethernet, Firewalls, Forensics, Hardware, Hubs, Incident response, Intrusion management, Management, Microsoft Office, Microsoft Windows, Network management software, Network monitoring, Network protocols, Network security, Networking, Networking services, NIC, OS, Patch management, Routers, Security, Servers, Software, SQL Server, Switches, TCP, Tech support, Training, VPN, Wireless
Re: Windows Time server
Hi All, Let me give an overview of our forest: We are on a Windows 2000 mixed mode forest. We have 2 Dc’s in my parent domain and a standalone ntp server not on our domain but within our network segment which goes out to get time from Microsoft time server. On PDC emulator we [...]
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| December 9, 2005 4:57 PM
Availability, Bandwidth, DataCenter, Desktops, Ethernet, Hardware, Interoperability, IPv4, Management, Microsoft Windows, Network protocols, Networking, OS, Security, Servers, Software, SQL Server, TCP, Tech support
Hi All, Let me give an overview of our forest: We are on a Windows 2000 mixed mode forest. We have 2 Dc’s in my parent domain and a standalone ntp server not on our domain but within our network segment which goes out to get time from Microsoft time server. On PDC emulator we [...]
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| December 9, 2005 4:57 PM
Availability, Bandwidth, DataCenter, Desktops, Ethernet, Hardware, Interoperability, IPv4, Management, Microsoft Windows, Network protocols, Networking, OS, Security, Servers, Software, SQL Server, TCP, Tech support
Cannot connect to Database Oracle Error -1033.
Hello, I have a Problem with my HP B132L-Workstation, running HP-UX 10.20 and Oracle 7.x. An application, which is based on the Oracle database won’t start any more with the Error Message: Cannot connect to Database Oracle Error -1033. My first guess was, that the Harddisk is defective, or the Database is somehow corrupt. Against [...]
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| December 1, 2005 3:15 PM
Database, DB2, Hardware, Oracle, Software, Tech support
Hello, I have a Problem with my HP B132L-Workstation, running HP-UX 10.20 and Oracle 7.x. An application, which is based on the Oracle database won’t start any more with the Error Message: Cannot connect to Database Oracle Error -1033. My first guess was, that the Harddisk is defective, or the Database is somehow corrupt. Against [...]
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| December 1, 2005 3:15 PM
Database, DB2, Hardware, Oracle, Software, Tech support
Remore RS232 Control
Good Day All I wondered if anyone knows how to remotely access and control RS23 devices. I will give you my example. I have a PC which is attached to 2 RS232 devices. I would like to have some form of control of the devices attached to the PC from a remote location, like a [...]
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| December 7, 2005 6:25 AM
Cabling, Database, DataCenter, DB2, Desktops, Development, DHCP, DNS, Exchange, Hardware, Management, Microsoft Office, Microsoft Windows, Mobile, Networking, Networking services, Oracle, OS, Project management, Security, Servers, Software, SQL, SQL Server, Tech support, Wireless
Good Day All I wondered if anyone knows how to remotely access and control RS23 devices. I will give you my example. I have a PC which is attached to 2 RS232 devices. I would like to have some form of control of the devices attached to the PC from a remote location, like a [...]
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| December 7, 2005 6:25 AM
Cabling, Database, DataCenter, DB2, Desktops, Development, DHCP, DNS, Exchange, Hardware, Management, Microsoft Office, Microsoft Windows, Mobile, Networking, Networking services, Oracle, OS, Project management, Security, Servers, Software, SQL, SQL Server, Tech support, Wireless
Converting RJE to FTP and replacing Token Ring with Ethernet
I have the daunting task of converting our AS/400 Token Ring connection to Ethernet. The organization as a whole is moving to Ethernet. This will require a lot of changes on our side for jobs that we have set up for RJE that need to be converted to FTP. Does anyone have any helpful hints/suggestions [...]
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| December 2, 2005 10:58 AM
DataCenter, Hardware
I have the daunting task of converting our AS/400 Token Ring connection to Ethernet. The organization as a whole is moving to Ethernet. This will require a lot of changes on our side for jobs that we have set up for RJE that need to be converted to FTP. Does anyone have any helpful hints/suggestions [...]
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| December 2, 2005 10:58 AM
DataCenter, Hardware
routing between vlans
on layer 3 switch (3com 4900).. I added 3 ip interfaces,one interface defined for each vlan with difrenet subnet. without enabling any routing protocol ,I achieved a communicattion between two pc’s that belong to diferent vlans . is there any internal routing between the ip interfaces on layer3 switches?..and how can I stop it ?
Answer Question
| February 5, 2008 2:04 AM
3Com, Cabling, Cisco, Hardware, Hubs, Networking, Routers, Switches, Tech support
on layer 3 switch (3com 4900).. I added 3 ip interfaces,one interface defined for each vlan with difrenet subnet. without enabling any routing protocol ,I achieved a communicattion between two pc’s that belong to diferent vlans . is there any internal routing between the ip interfaces on layer3 switches?..and how can I stop it ?
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| February 5, 2008 2:04 AM
3Com, Cabling, Cisco, Hardware, Hubs, Networking, Routers, Switches, Tech support
NCR desktop
I have a globalist 530 ( model 3338 ) and need to reset password , without waiting 24 hrs after I pull battery out ..anyone know?
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| November 28, 2005 11:48 AM
Hardware
I have a globalist 530 ( model 3338 ) and need to reset password , without waiting 24 hrs after I pull battery out ..anyone know?
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| November 28, 2005 11:48 AM
Hardware
Cisco 7606 Vs. the compitition, Foundry XMR series or other.
My company is looking to purchase a new router, we are looking at expanding our cable tv division down the road with video/ video on demand and need to upgrade our current router due to bandwidth constraints, my question is does anyone have a different router good or bad. All answers are welcome and encouraged. [...]
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| December 2, 2005 9:22 AM
Availability, Bandwidth, Budgeting, Business/IT alignment, Cabling, Cisco, DataManagement, Foundry, Hardware, Hubs, Networking, Nortel, Project management, ROI & cost justification, Routers, Storage, Switches, Vendors
My company is looking to purchase a new router, we are looking at expanding our cable tv division down the road with video/ video on demand and need to upgrade our current router due to bandwidth constraints, my question is does anyone have a different router good or bad. All answers are welcome and encouraged. [...]
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| December 2, 2005 9:22 AM
Availability, Bandwidth, Budgeting, Business/IT alignment, Cabling, Cisco, DataManagement, Foundry, Hardware, Hubs, Networking, Nortel, Project management, ROI & cost justification, Routers, Storage, Switches, Vendors
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 [...]
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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
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, [...]
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| December 6, 2005 9:11 AM
Cabling, Hardware, Hubs, Networking, Routers, Switches
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 [...]
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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
NTLDR
I have a friend who paid to custom his computer, but the problem now is that everytime he turn on the computer, he get a massage say NTLDR IS MISSING, how can i solve this problem?
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| January 15, 2006 11:46 AM
Hardware
I have a friend who paid to custom his computer, but the problem now is that everytime he turn on the computer, he get a massage say NTLDR IS MISSING, how can i solve this problem?
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| January 15, 2006 11:46 AM
Hardware
Moving DASD and Controller to a New Machine
Is it possible to move a DASD cage and its associated RAID-5 controller to a different machine? This is to be a move of the hardware, not just the data. TIA
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| December 2, 2005 2:56 PM
Hardware, Storage
Is it possible to move a DASD cage and its associated RAID-5 controller to a different machine? This is to be a move of the hardware, not just the data. TIA
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| December 2, 2005 2:56 PM
Hardware, Storage
