Configuring the DHCP server behind the router for 3 networks
Network 1 (192.168.50.0/24)—”Router”—”Switch or bridge”—”DHCP Server” Network 2 (172.16.0.0/24)______|| Network 3 (10.0.0.0/24)_________| how should i config DHCP server so every client’s IP in all 3 networks can be assign by DHCP?

Answer Question   |  February 18, 2009  7:51 AM
DHCP, DHCP server, DHCP Server Configuration, IP address, Network administration, Router configuration, Routers

Router configured one hop from PC with default gateway as IP address
What would happen and what would be the flow if I configured a PC with the default gateway as an IP address of the router that is one hop away — that means, I have one more router in between?

Answer Question   |  February 10, 2009  4:29 PM
Default gateway, IP address, IP addressing, Network Configuration, Networking, PC, Router configuration, Routers, Routing and switching, Routing protocols

Rerouting traffic requests based on destination IP range
Hi there Here is my situation: I have got a DSL connection with public ip addresses at my office. I have a client with a DSL connection with dynamic ip address, at his office. The DSL connection at my office can access any internet sites. The DSL connection at my client can only access sites [...]

Answer Question   |  February 9, 2009  8:30 AM
DSL, Dynamic IP address, Internet connectivity, IP address, Netgear DG834 router, Router configuration, Routing

How can I identify all network system hostnames through CMD?
HI…THIS IS VARDHAN i have some doubts in network systems. one is SYSTEMS ALL ARE IN LAN, I KNOW ALL SYSTEMS IPADRESSES, FROM ONE SYSTEM HOW CAN I IDENTEFY THE ALL SYSTEMS HOSTNAMES THROW COMAND PROMPT?, IS IT POSSIBLE? HOW CAN I CHANGE ALL SYSTEMS HOSTENAMES THROW CMD?,

Answer Question   |  June 21, 2010  2:59 PM
Command line, Hostname, IP address, Network administration

Where did the email really come from?
I receive emails (hotmail.com) from someone in Bucharest. Romania. When I use an IP Locator and and insert the Original IP address it comes back as being sent from Alicante, Spain some 1500 miles and 2 time zones from where the person “says” they are (in Bucharest). The ISP come up as “Telfonica de Espana” [...]

Answer Question   |  February 9, 2009  7:21 PM
Email, Email origination, Email security, Email tracking, IP address, ISP, SMTP header analysis

IP Managment
In a mobile NW hooking/ Dehoking is very prevelent. What is the latest technologies used to handle this problem other than dynamic IP addressing scheme?

Answer Question   |  February 6, 2009  5:18 AM
Dynamic IP address, IP address, IP addressing, IP Managed VAS

Duplicate IP addresses?
How can two laptops have the same IP address? We have a wireless connection to our home computer and somehow we both ended up with the same IP address. This strikes me as infinitely impossible, but it happened, so clearly there is something I don’t understand about how IP addresses are distributed. Also, how does [...]

Answer Question   |  February 2, 2009  6:18 PM
Duplicate IP addresses, IP address, privacy

Upgrade existing network for wired and wireless Internet access
i have an existing network with 1 server and 10 workstation. the server ip address is 173.201.5.1 with subnetmask 255.255.0.0 and 10 workstation with the ip address ranging from 173.201.5.2 to 173.201.5.11 with subnet mask of 255.255.0.0 i want to upgrade my existing network with out changing its ip address and its current configuration to [...]

Answer Question   |  January 29, 2009  5:33 AM
Internet access, IP address, Linksys WRT54GS, Subnet mask, Subnets, Wireless networking

Connecting to a Real VNC server accross the internet
Hi, I have VNC server installed on a machine in my network, and I would like to access it across the internet from a seperate LAN. I have look all over the internet for a simple guide of how to do this. Each explanation states put the IP address of the server in, ensuring the [...]

Answer Question   |  January 26, 2009  4:07 PM
IP address, Remote access, Remote access protocols, Virtual networking, VNC, VPN, VPN software

How to extract the IP address of a data packet and store it in the database?
A client sends a data packet to the server machine, then how can the server extract the IP address of the data packet .Can you suggest a source code for this above query in JAVA? After extracting the IP address how can the IP address be stored in the database, where other IP addresses of [...]

Answer Question   |  January 26, 2009  5:25 AM
IP address, Java development, Network monitoring, Network security, packet analysis, Packet analyzers, Packet filtering

iSCSI SAN how many IP Addresses are needed?
We are planning to implement an iSCSI SAN. There are 4 controllers, each with 2 iSCSI ports. How many IP addresses are needed for the ISCSI SAN

Answer Question   |  February 2, 2009  6:04 PM
IP address, iSCSI, iSCSI Ports, iSCSI SAN Server, Storage controllers

IP Address reverting back to old address
I have changed the IP address on one of my member servers every hour but it reverts back to an old address. I have 4 DC’s and they are the only DNS machines in my network. I have tried each DC separately buy still have the same issue. Any help

Answer Question   |  March 31, 2010  4:31 PM
DNS, Domain Controller, IP address, Member Servers

Multiple Networks
Hi, I’m a bit new to networking… I’d like to ask for for from you guys out there… I want to set up 3 networks for our school – 2 in the computer lab and 1 in the office… However, I’d like that to assign 192.168.1.x to Lab1, 192.168.2.x to Lab2 and 192.168.3.x to the [...]

Answer Question   |  February 23, 2009  2:28 AM
D-Link routers, IP address, IP range, Network design, Routers, Subnet mask calculation, Subnets, Subnetting

Why do some PCs on our network get an IP address automatically assigned and others don’t?
When we connect a network cable to some PCs, it doesn’t automatically assign an IP address and we need to manually assign an IP address. What is the benefit if the IP address takes automatically or not when we connect a network cable? Why do you think this is happening to only some of the [...]

Answer Question   |  December 15, 2008  7:42 PM
IP address, IP range, Network administration, Network management

Problem in IBM Server X3400 NIC
Hi, Everybody i will configure ibm server x3400 there r 3 builtin NIC ports, but in the network connection properties there r only 1 NIC show, all drivers are successfully installed, no device driver problem, i am use NIC in LAN and ADSL Modem, how to configure two IP in there….. Please…….. Help me Adv [...]

Answer Question   |  November 27, 2009  1:52 PM
ADSL Modem, IBM Server X3400, IP address, LAN, Network connectivity, NIC, NIC Ports, NIC Problem

IP address gets blacklisted using Exchange 2003
We have a small business server running exchange 2003. My IP address is keep getting blacklisted. When I research, I come to find out that something in my network is sending out spam but I can’t seem to figure out which machine is infected. I have ran several scans on all the machines but nothing [...]

Answer Question   |  December 3, 2008  4:07 PM
Blacklisted, Exchange 2003, IP address, SBS, Spam

How to calculate my Network IP addresses and my Subnets
DEAR SIT I HAVE PROBLEM TO CALCULATE MY NETWORK IP ADDRESS AND SUBNETS PLEASE HELP ME TO UNDERSTAND EASY WAY OF MY NETWORK IP ADDRESSES AND SUBNETS THANK YOU

Answer Question   |  December 1, 2008  6:18 AM
Calculate subnet mask, IP address, IP range, Subnet calculator, Subnets, Subnetting

pass message thru another system
how to pass message thru command prompt to another ip address

Answer Question   |  November 7, 2008  6:33 PM
Command Prompt window, IP address, Windows XP

Change my IP
Hi all, There is a site, which provides access to a service if it comes from my office IP. Now I want to access the same service(or page) from home by making my home IP same as office ip, tricking the web site to believe that I am accessing from office. By the way the [...]

Answer Question   |  November 10, 2008  5:42 AM
Change IP address, IP address, IP spoofing, Networking

Ethernet networking
is it posible to construct an ethernet lan with mac address other than with ip adderess

Answer Question   |  October 24, 2008  11:47 AM
Ethernet, IP address, MAC address, Network design