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• Using ADSL Modem/WiFi Router to share existing network wirelessly

  - by joshhunt

  At my uni we have a wired Ethernet connection in our dorms. However, I want to share this connection with my macbook using wifi (so I don't have to be constantly tethered). I am looking at using my DSL G064T ADSL modem/WiFi router as a wifi repeater for the uni network. Is this possible? How would I go about doing this? I understand that it would be possible using a normal Wifi router (seeing as it has an ethernet 'in' port where it would get the external connection from.), so is it just not possible using the router I have? If i need to buy another one, which one would you recommend?

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• LinkSys router suddenly cannot get an IP address

  - by user43208

  I have a linksys router WRT54G2 connected to a cable broadband. Just last week, everything was working perfectly - I would be able to connect my laptop to the internet using WiFi. However, starting last week, I suddenly lost my internet connection. At first I thought something was wrong with my ISP. However, when I tried connecting the cable directly to my laptop, I found out that there was no problem with the internet connection after all. It appears that it is only my router that cannot get IP address. I have already tried cloning my MAC address and reconfiguring my router using the setup CD, but nothing worked. What could be the problem here? Thank you. Regards, Erwin

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• router cannot get ip address

  - by user43208

  Hi guys, I have a linksys router WRT54G2 connected to a cable broadband. Just last week, everything was working perfectly - I would be able to connect my laptop to the internet using WiFi. However, starting last week, I suddenly lost my internet connection. At first I thought something was wrong with my ISP. However, when I tried connecting the cable directly to my laptop, I found out that there was no problem with the internet connection after all. It appears that it is only my router that cannot get IP address. I have already tried cloning my MAC address and reconfiguring my router using the setup CD, but nothing worked. What could be the problem here? Thank you. Regards, Erwin

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• Can't connect Alienware M11x wireless to internet thru families router

  - by Jim Kron

  Morning All, Have an Alienware M11x loaded with Win 7 Premium with the Dell half card wifi. Also have a Netgear and Belkin USB external adapters (b/g and N to include dual radios. No joy either. Families Internet is served thru Charter and they use a Motorola Router. No matter if we reset the router, I cannot connect to the Net but can talk to the router. BTW... my brother only uses WEP as a number of connected items are old and my folks are not in a high threat area for attacks. Frustrated, as I know what I'm doing but this really has me stumped. Any thoughts? Much appreciated, Jim

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• Multi Gateway and Backup Routing on a cisco router

  - by user64880

  Hi all, I have a 2611 Cisco Router with only one Fastethernet port Now I have two internet gateways. I want to config my router as when primary routing fails second routing automatically start to route all my packets. When I set 2 IP route command in my router then I check I see it work well but when peer IP on primary routing is down it can not change to second routing until I remove first route command.In the following I write my setting. How can I set it? interface FastEthernet0/0 ip address 81.12.21.100 255.255.255.248 secondary ip address 62.220.97.14 255.255.255.252 ip route 0.0.0.0 0.0.0.0 62.220.97.13 ip route 0.0.0.0 0.0.0.0 81.12.21.97 100 Cheer, Kamal

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• Access VirtualBox-ed server from behind the router

  - by migajek

  I'm having the following configuration: Windows 7 hosting VirtualBox and it's guest: Ubuntu The machine (physical) which runs VirtualBox is behind the router and has the address of 192.168.0.110 VirtualBox runs the Bridged network, and the IP of VirtualBox-ed Ubuntu (eth0) is 192.168.0.200 Host (Win7) is running HTTP service on port 80, while guest (Ubuntu) is running it's service on port 9000 I can access both services from inside the network by typing the ip_address:port and this works fine. Both ports are forwarded on the router to their's respective IPs: 80 -> 192.168.0.110:80 9000 -> 192.168.0.200:9000 Unfortunately, accessing the router's external IP doesn't work as expected. While external_ip:80 works correctly, external_ip:9000 - doesn't I believe the problem is VBox - related, since the same network is running also other physical machine with Ubuntu and http service on 8000 and this one is forwarded correctly.

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• Network router and switch configuration

  - by gilly3

  Can I put a switch before my router in my home network? Here is a diagram of how I want to set up my network: ________________________________ ________________________________________ | | | | | Cable Access Panel | | Home Office | | _____________ ________ | | _____________ | | | | | | | | | | _________ | | | Cable Modem |--->| Switch |-------------->| Router |____| | | | |_____________| |________| | | |_____________| | Printer | | |______________________/____\____| | / | \ |_________| | ___/_ _\___ | _____/ ____|____ \_____ | | | | | | | | | | | | | | PC1 | | PC2 | | | PC3 | | Ext. HD | | PC4 | | |_____| |_____| | |_____| |_________| |_____| | |________________________________________| The reason I want to do this is because my router is also my wireless access point. My cable modem is located in the far corner of my home where my phone/tv/network access panel is. I'd rather keep the wireless access point in a more central location, but I'm not sure if DHCP will continue to work properly with that configuration. Edit: I'd like to continue to be able to share files and access my networked drive and printer from each computer in the house.

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• Add a server between router and switch (production)

  - by Kossel

  I have a small office network basically like below, there are more router/pc connected in S1. As you can see, the router is doing job of DHCP, DNS. but now I wish to add a Linux server between R1 and S1, So I can monitor the network traffic and do other more advance server admin stuff. the whole office network is 192.168.1.x and people are using their computer everyday. What network configuration should the new Linux server have (both interfaces) in order to minimize the changes need in the network? tried to change R1 ip to 192.168.100.1 them add the server with FE0/0 192.168.100.1 and FE0/1 192.168.1.1 but looks cannot ping the original Router..

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• problem on expand network using a router

  - by Jose

  I have a Netgear FS605 v3 router, and i'm trying to expand my network. The router is connected to the cable modem with cat5 cable. I have 2 laptop connected to the router but i'm only able to get internet connectivity in one. The first laptop i turn on, get the signal and the other one will show no connectivity. I have restarted all the devices many times but no luck. Can somebody explain me how to get this solved. Thanks.

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• D Link DSL G624T Router will work wirelessly but not via cable

  - by Andy Fensome

  I have a D Link router which works in providing a wireless internet connection for my main PC and secondary notebook. I have been advised that the internet connection to the main pc will be better if I wire the router directly to the PC. I have tried this and can not get a connection. I just keep getting the message network cable unplugged. I have had the ethernet adaptor checked out on the pc and the cable is good ( also checked out). Anything I can do or do I have a bad router. I have tried the cable in all 4 ports and the message is still the same.

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• Need reasonably priced router with QoS support [closed]

  - by ULTRA_POROV

  I dont need wireless. I am expecting very heavy traffic, with possibly thousands of tcp connections open at one time. This would require that the router has good hardware. I also need to limit the different services i will provide. Lets say i need to guarantee 60% of all the bandwidth to HTTP, 10% FTP, and 10% for Mail... So the router software must have flexible QoS options as well. I don't know which one to chooose, because this information is usually not given on the router specs.

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• Where can I find a list of Hibernate default configuration settings?

  - by Ken Liu

  I'm looking for a list of hibernate configuration settings with the defaults listed. I found a good list of settings here: http://docs.jboss.org/hibernate/core/3.3/reference/en/html/session-configuration.html ...but the default settings are not listed.

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• Is it possible to use System.Configuration, if there is no local app.config? And how to, if it is po

  - by Aen Sidhe

  Hello. I have a client apllication that run in very restricted area - it has no direct access to computer, where it is running. I don't want to invent another one System.Configuration system to configure my application. But there is no method in ConfigurationManager, that allows to load configuration from string or Stream. It seems to me that it's impossible to use a ConfigurationManager in this particular scenario, but may be (and I hope to) wrong?

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• Where to put a configuration file for an Axis2 web service?

  - by Jack BeNimble

  I'd like to have my Axis2 Web Service read from a configuration file, whose name is sent as a parameter to the service. Where is the best place to put this file? And How to best access it? Examples welcome. I've checked the current directory is the Apache/Tomcat/bin file, I could put it in the parent directory, or put it into a Apache/Tomcat/conf, although this looks like it's more reserved for apache configuration itself.

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• Asus WL-520GU conflicting subnet (and/or IP) with 2Wire DSL

  - by Paula

  I have an Asus wireless router: WL-520GU... and an AT&T 2Wire for my DSL connection. When I try to browse anywhere, I just get an odd message from the Asus router (in the common Asus broken-English, bad formatting, and awful spelling): http://postimage.org/image/upxrjflcj I guess it's trying to say: Your Asus Router and your 2Wire have the same subnet mask. (It doesn't say if that's good, or bad... but it sounds like they must be different.) but... But for the "solution" it looks like it's trying to say: Your Asus Router and your 2Wire have the same IP address. My Asus has the defaults: 192.168.1.1 and 255.255.255.0 My 2Wire has: 192.168.1.66 I'm not seeing where the conflict(s) could be. The Asus firmware is v3.0.0.14 . None of these problems occur with the old v3.0.0.8 firmware. Any ideas on how to fix this? (PLEASE don't say to run a totally different DD/Tomato firmware because it's "better". I need to fix THIS 1 problem, not try to convince my company to switch everything to an entirely different set of problems.)

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• Problem with TL-R480T+ and static routes

  - by Globulopolis

  Hi! I've some question about this router. Before starting, some configurations, specified by my provider. Wan1 VPN IP - 192.168.172.84 Mask - 255.255.255.0 Gateway - 192.168.172.253 DNS - 195.110.6.7 Wan2 Dynamic IP DHCP - 168.120.1.34 Mask - 255.255.255.0 Router IP 192.168.1.1 Computer IP 192.168.1.7 Routes: route -p add 192.168.0.0 mask 255.255.0.0 192.168.172.253 route -p add 195.110.6.0 mask 255.255.254.0 192.168.172.253 route -p add 88.135.112.0 mask 255.255.240.0 192.168.172.253 route -p add 178.219.160.0 mask 255.255.240.0 192.168.172.253 For first provider I need to provide a routes. 'Cause router does not support different routes for different WAN interfaces I put them in "Static routes". But when I try to save them I've got an error: Destination IP address can not be set in a same subnet with the WAN or LAN IP address. If I change IP's to local like 192.168.x.x router tell me: Gateway must be set in a same subnet with WAN or LAN IP address. Changing mask on WAN1 interface to 255.255.0.0 doesn't help. Any ideas? PS! Or maybe I'm must email to TP-Link support?

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• can't ssh within LAN, but can connect from outside

  - by Patrick B.

  A strange issue: I have a desktop running Ubuntu 10.04 behind a Netgear WNR1000 router performing NAT. I would like to be able to ssh into the desktop from my laptop (running Windows 7 and Cygwin). When at home, both the desktop and the laptop are connected by wireless (the desktop is in a different room from the router). sshd seems to be running fine, since ssh localhost from the desktop works without trouble. Also, ssh my.ip.address from my laptop when it is not behind the router works fine (I am forwarding port 22 on the router to my desktop). However, ssh same.ip.address from within the LAN fails with "Connection refused". ssh 192.168.local.ip.address fails with a different message, "Connection timed out". I can connect if I first ssh to a machine outside the LAN. So far I haven't found anything with Google because with the search terms that seem like they would be relevant, the vast majority of people have the opposite problem - i.e., they can't connect from outside the LAN but can connect within it. I can port forward through a remote server when I'm at home, but this seems like a totally absurd way to connect two computers on the same home LAN. I have already tried stopping and starting sshd on the desktop. Any thoughts?

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• How have multiple web servers and IPs on the same physical network

  - by jsigned

  I do web development out of a small office and need to have multiple physical and virtual servers that can be accessed from the internet. I also have a number of devices (computers, laptops, tablets, printers, etc) that need connections as well. I have gotten a subnet of 8 IP's from my ISP and while that is adequate for the web servers its far too small for everything that needs access to the network. My router is an ASUS RT-N16 running DD-WRT. I'm just smart enough about this routing topic to be dangerous, think 2 year old with a magic marker. I would like to keep my internal network NAT'ed on the 192.168.x.x network and route the 68.69.x.x 255.255.255.248 traffic directly to the servers. The physical network consists of the 4 port DD-WRT router and an unmanaged gig switch. I have a fiber connection to the office that works as an Ethernet port. In other words I can plug my laptop directly into it and have access to the internet. There is no login or password and the router is setup to get DHCP from the ISP, and to provide DHCP addresses for the internal network. What I've done so far is google and try different configurations with little success. In the end I decided I didn't even know how to ask the questions needed. My questions are: Is this the best way to configure the network? How do you do it? VLANs? Multiple routers? I've never had to configure a router using anything more than the GUI so if this is command line stuff be gentle.

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• Can't access Port 80 from external

  - by dewacorp.alliances

  Hi there I have configuration like this: NETGEAR MODEM LINKSYS ROUTER SERVERS In the modem, I've setup as bridging and all the traffic is controlling by this ROUTER. Prior to this setup, I can access website from external (port 80) plus exchange servers (mail) and https. But now with this configuration, I can only send/receive using Exhcange servers and access OWA (Outlook web access using port 443) .... and no internal websites from outside. This is my config for LINKSYS ROUTER Application | Start | End | Protocol | IP Address Ms Exchange | 25 | 25 | Both (TCP/UDP) | 192.168.100.8 Internets | 80 | 80 | Both (TCP/UDP) | 192.168.100.11 SSL | 443 | 443 | Both (TCP/UDP) | 192.168.100.8 Exchange | 110 | 110 | Both (TCP/UDP) | 192.168.100.8 192.168.100.11 is a UBUNTU web server that running the apache which controlling the virtual name (extranet, cms, test) to redirect to the different servers. As you can see, the home internet is only allowing public IP address. Now I test this schenarion in internal network work nicely. For instance. If I type in extranet.XXX.local it goes to the right applicatios or if I try CMS.XXX.local again it goes to the right one. I also asked to ISP just in case if they are blocking the inbound port 80 for unknown reason. They said no. So I didn't understand why this happens. I suspect the configuration that I have between MODEM ROUTER but I counldn't work what it is. I don't have a documentation of previous settings and I don't know if there is a port that I need to open as well. I am appreciated your comment

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• Isolating a computer in the network

  - by Karma Soone

  I've got a small network and want to isolate one of the computers from the whole network. My Network: <----> Trusted PC 1 ADSL Router --> Netgear dg834g <----> Trusted PC 2 <----> Untrusted PC I want to isolate this untrusted PC in the network. That means the network should be secure against : * ARP Poisoning * Sniffing * Untrusted PC should not see / reach any other computers within the network but can go out the internet. Static DHCP and switch usage solves the problem of sniffing/ARP poisoning. I can enable IPSec between computers but the real problem is sniffing the traffic between the router and one of the trusted computers. Against getting a new IP address (second IP address from the same computer) I need a firewall with port security (I think) or I don't think my ADSL router supports that. To summarise I'm looking for a hardware firewall/router which can isolate one port from the rest of the network. Could you recommend such a hardware or can I easily accomplish that with my current network?

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• Improve wireless performance

  - by djechelon

  Hello, I have a Trust Speedshare Turbo Pro router, which is running on channel 6. I found that the wireless signal (and network performance) dramatically drops from my PDA (I can barely attach to the network, even if I set the PDA's energy settings to maximum wireless performance) when I even exit my room, and I don't have shielded walls or something like that. I can't even stream a SD video from my desktop (connected via LAN) to my laptop using WiFi, while via LAN it works fine. I read that changing router's channel could improve performance due to interference reducing. I found that almost all wireless networks around here run on channels 6 and 11. I tried to go to my router's settings page to change channel, but I found that the combo box only allows me to select 6!! I'm not sure, but I may have been able in the past to change channel, though not to all of the available channels. A few minutes ago I tried a firmware upgrade, but it didn't solve my problem. My question is Is it possible that my router is someway locked to its channel? I bought it on my own, I didn't receive it from my ISP Apart from boosting the antenna power to the maximum (which, by the way, increases the EM radiation my and my family's bodies absorb 24/7 and is little more environment-unfriendly), do you have any tips on getting high quality transmission up to 5 metres from the antenna? Thank you

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• Apache can't get viewed from outside of my LAN

  - by Javier Martinez

  I fixed it in PORTS TRIGGER menu of my router. Thanks you anyway I have a weird problem related with (i think) my cable-router and my configured vhosts in Apache2. The point is I can't access from outside of my LAN to any of my configured vhosts if I set the http port of Apache to 80 and i add a NAT rule for it. Otherwise, if I set my Apache port to 81 (or any else) with its respective NAT rule on my router it works. My router is an ARRIS TG952S and I am using Apache/2.2.22 (Debian) ports.conf NameVirtualHost *:80 Listen 80 vhost1.mydomain.net.conf <VirtualHost *:80> ServerAdmin webmaster@localhost ServerName vhost1.mydomain.net ServerAlias vhost1.mydomain.net www.vhost1.mydomain.net vhost2.mydomain.net.conf <VirtualHost *:80> ServerAdmin webmaster@localhost ServerName vhost2.mydomain.net ServerAlias vhost2.mydomain.net www.vhost2.mydomain.net DNS records (using FreeDNS) are: mydomain.net --> pointing to another server vhost1.mydomain.net --> pointing to my server vhost2.mydomain.net --> pointing to my server iptables -L -n Chain INPUT (policy ACCEPT) target prot opt source destination fail2ban-apache-noscript tcp -- 0.0.0.0/0 0.0.0.0/0 multiport dports 80,443 fail2ban-apache tcp -- 0.0.0.0/0 0.0.0.0/0 multiport dports 80,443 fail2ban-ssh tcp -- 0.0.0.0/0 0.0.0.0/0 multiport dports 22 Chain FORWARD (policy ACCEPT) target prot opt source destination Chain OUTPUT (policy ACCEPT) target prot opt source destination Chain fail2ban-apache (1 references) target prot opt source destination RETURN all -- 0.0.0.0/0 0.0.0.0/0 Chain fail2ban-apache-noscript (1 references) target prot opt source destination RETURN all -- 0.0.0.0/0 0.0.0.0/0 Chain fail2ban-ssh (1 references) target prot opt source destination RETURN all -- 0.0.0.0/0 0.0.0.0/0 Thanks you

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• Different external ip addresses from different sites

  - by user630286

  My router is ClearOS 6(Centos 6). In my router, I have two external (internet) network connections from two ISP's. The primary connection is eth2 connected to a cable modem and the second one is ppp0 connected to a dsl modem. I have assigned eth2 as the primary connection (with a high metric value). In fact this is done through clearos's multiwan web interface. I have a test in my Nagios to monitor whether the primary connection. This connection is done based on the result of curl ifconfig.me But it seems that ifconfig.me is always giving the ip address of my secondary connection. I tested it through a browser. Yes ifconfig.me gives the secondary internet's(ppp0) ip address. But whatismyipaddress.[com|org] give my primary ip address (eth2). I checked the default route on the router through ip route list 0/0 which also shows the primary connection (eth2) as the default route. The traceroute www.google.com and traceroute ifconfig.me both seems to trace through the primary connection (eth2). As our secondary internet connection has only got a limited download, I don't want to end up having to pay a large sum at the end of the month. Has somebody got an idea why the ifconfig.me shows my secondary address? What is the best way to ensure that my router(and thus the lan) use the right internet connection.

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• Capabilities of business and SOHO routers

  - by Q8Y

  I'm currently studying for the CCNA certifications (especially for Cisco routers and configuration). I know that business routers provide more features than SOHO routers, the processing speed and RAM can be enough. Assume I need to connect a number of users through a network (accessing internet, share files, printers, ...). I have a high speed connection to the internet and I already applied QoS. How can I find out how many users such a single (SOHO) router could handle? In my case I'd attach to it multiple switches until I have the number of ports needed. Would everything work well and smoothly with 50 users? What about 300? At which point would I need a business router instead? If I implemented VLAN here, would it make any difference in the performance? When do I really need to use more than one router? (Both SOHO and business) I'm thinking that I may need them only if I want to increase the performance (instead of replacing the existing one) and if I have multiple locations, so in this situation I need to have multiple routers, right? Put differently: Is there is a need to have another router if my business all in one place?

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• Windows 7 'Unidentified Network'

  - by Throdne

  So my internet was working last night before I went to bed and woke up to a computer that is showing unidentified network. I have tried multiple ways of fixing it. > route delete 0.0.0.0 > uninstalling drivers - restart - reinstall from downloaded drivers > ipconfig /release - /renew > static IP > speed & duplex from auto negotiation to 1.0gbps full duplex > and also changed my network address to no value to 1234567890ab (not in that order) nothing seems to work. I have Comcast internet and when I connect the computer to the modem it works perfectly. but when I connect it to my router again, Unidentified network. I know my router isn't faulty, because my macbook pro, server, NAS, iPhones, and iPads are still working. I have also tried moving the port on the router, still same problem. my router is a: Cisco Small Business RVS4000 motherboard: GIGABYTE GA-990FXA-UD3

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