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• How to do port forwarding in D-link Glb802c?

  - by Manish

  I have some questions about port forwarding on my D-Link Router GLB-802C. For example: My local machine's IP is 117.1.1.81 My router's IP is 117.1.1.1 My Public (Web) IP is 117.16.1.1 My questions are: What will be my Global Address 'To'? What will be my Global Address 'From'? In Destination Port "From" and "To" what do I select in the drop down list and port no for forwarding HTTP traffic (for my website)? In Local Port, what do I select in drop down list and port no?

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• Flow of packets in network

  - by user58859

  I can't visualize in my mind the network traffic flow. eg. If there are 15 pc's in a LAN When packet goes from router to local LAN, do it passes all the computers? Does it go to the ethernet card of every computer and those computers accept the packet based on their physical address? To which pc the packet will go first? To the nearest to the router? What happens if that first pc captures that packet(though it is not for it)? What happens when a pc broadcast a message? Do it have to generate 14 packets for all the pc's or only one packet reach to all pc's? If it is one packet and captured by first pc, how other pc's can get that? I can't imagine how this traffic is exactly flows? May be my analogy is completely wrong. Can anybody explain me this?

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• Setting up Mac VPN on simple network with separate IPs

  - by Dave

  Hi there, We have a pretty simple network configuration. A typical ASDL line with two extra IP addresses. We have a basic home network router Dlink DIR-655. We have two Mac OS X Snow Leopard Servers that we want to setup VPN on. The problem is that we can't change the ports which VPN works under ie. we can only setup port forwarding for UDP 500,1701,4500 to a single server. I'm wondering how we can cost effectively re-work our network so that we can take advantage of the separate IP addresses and have both VPNs working with the same router. Is that possible with our current hardware setup or do we need something more powerful? We're also toying with Mobile Access and wondering if that might be easier to setup. Expert help is greatly appreciated.

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• Why do most routers not include local DNS?

  - by user785194

  I need to change my firewall/router, and I'd prefer something with built-in DNS to resolve queries on the local subnets. I've got a mixed Linux/Windows system, often with only one computer turned on, and I frequently have problems resolving local names. I don't want to keep a Linux box permanently on just for DNS, and I'd prefer to have DNS in my router appliance, which is always on. I search Google for this occasionally but never find anything. You always get the obvious answers - it's not possible, put everything in /etc/hosts, NetBIOS, dedicated box, etc. So what am I missing? Why don't "cheap" routers let you do this? I'm pretty sure that Cisco kit does this. Almost all cheap routers will let you do MAC address reservation, to let them assign static IP addresses for DHCP. So why can't they simply do DNS as well for everything on the local subnets, just passing through remote domains to the ISP?

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• Multiple WAPs: Bandwidth, Frequency Considerations

  - by Pete Cresswell

  The router in my LAN closet does 2 and 5 GHz. In the kitchen, I have a single-band 2 GHz WAP, and in the garden shed I have another single-band 2 GHz WAP. All are set to Bandwidth = 40 MHz, Wireless Network Mode = N-Only. The kitchen WAP and the LAN closet router both come up with multiple bars on my smart phone from almost anywhere in the house. The garden shed WAP will register one bar... but only sometimes. The Questions: Are these things in danger of butting heads? Should I re-set them to Bandwidth = 20 MHz? Bandwidth = Auto? Are there any tools that I could use on an Android smart phone, iPod, or WiFi-enabled laptop to make my own analysis?

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• Why does my webpage look different when I connect using different routers?! Does routers cache files?

  - by Ayyash

  Here is the case, I am working on a site from office and home, I recently updated the stylesheets and logged in the live site from office (using my same laptop I use all the time), and everything looks okay, I come home use my home internet connection to connect to the site using the SAME laptop, the styles are not updated! The thing is: this happens on ALL browsers, and after emptying the cache many times, and even after one month of work, and even if I have never opened the site before on that browser (as if my router has a cache of its own) Another thing: only one particular styles.css file seem to be hanging Extra info: I use the same IP for my home wireless router as that defined in the office, the usual 192.168.0.1

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• How to do port forwarding in D-link Glb802c?

  - by Manish

  I have some questions about port forwarding on my D-Link Router GLB-802C. For example: My local machine's IP is 117.1.1.81 My router's IP is 117.1.1.1 My Public (Web) IP is 117.16.1.1 My questions are: What will be my Global Address 'To'? What will be my Global Address 'From'? In Destination Port "From" and "To" what do I select in the drop down list and port no for forwarding HTTP traffic (for my website)? In Local Port, what do I select in drop down list and port no?

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• PCs with Wired Connection Keep Losing Internet Connectivity

  - by user717452

  I have a U-verse ATT DSL Internet at our church building. Recently, any computer that is plugged into the network via Ethernet keeps losing its internet connectivity. The setup is from the Modem to a Netgear Wireless Router, and from the router to 3 different computers. None of the laptops that use Wifi ever lose internet, just the wired ones, and I end up having to do ipconfig /release and /renew every day to get it back. One computer has Windows 7 and one has Windows XP. Any ideas as to what is going on with our network?

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• Slow internet connection on Mac OS

  - by user984621

  At home, we have a router. From router goes the internet connection into the desktop PC (Windows 7) and Macbook Pro. The problem is, that on Mac OS is incredibly slow internet connection - is not possible to use the laptop for surfing on the internet. The same as for WiFi as for cable. On the PC with Windows 7 is working the internet connection properly. Is there any tool for testing, if on my Mac is a virus or just something, what slowing down the internet connection? THank you in advance.

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• What is the main reason for ADSL modem/routers dying?

  - by ldigas

  The other day my home ADSL modem/router (dwg 684t in this case) died. A guy from the telecom company came to my place and brought another one, but he also left this one. Now, I'm interested - it didn't fall, it wasn't electrocuted - but it just doesn't work. What could be the problem? Can it be fixed? Is it worth it (in which case I would have two which is always nice)? I'm not looking for a definite opinion, just your personal advice ... (although in the end I think I'm going to archive it in the "cylinder register") What are the usual problems that occur with them? In this case, I can connect to the router, I can see its settings, I just can't connect to the Internet. With the new one everything works. Weird.

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• Wireless Connection unstable with multiple devices connected

  - by KingIsulgard

  My wireless network works perfectly when only 1 device is connected. Super fast, full strength. But as soon as multiple devices are connected to the wireless network the connections become unstable (constantly losing connection with the internet, not the network itself). It's quite annoying. I have a Sitecom Wireless 300N XR Gigabit Router WL-306, which should be a decent router so I'm guessing there must be something wrong with my configuration. Does any of you know what might cause this? Thanks

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• Wireless Disconnects Randomly, then won't reconnect

  - by Nironan12

  Okay, so I have a Gateway laptop, with Windows Vista SP2, and a Linksys-Cisco WRT54GL Wireless-G Broadband Router. When I boot up my laptop, it automatically connects itself to my home network. Then at random times, it disconnects itself from said network. I go to reconnect it, but I get an unknown error and none of Vista's suggestions are working. Sometimes, after 5-10 minutes, it will reconnect itself. I've already tried updating the firmware. I can't install any other firmware, or make a factory reset. My dad owns the router and buys the internet and he won't let me TOUCH it. I can't do ANYTHING to it.

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• Slow WLAN file transfer between server and tablet

  - by user266985

  My file server is running Ubuntu 12.04 and I'm sharing files from it over samba. It is connected via gigabit ethernet. My desktop, running Windows 8.1, is also connected via gigabit ethernet. I can transfer files between the two and completely saturate that gigabit pipe. However, I just got a Surface Pro 2, and I'm trying to stream HD movies from my server to the device over WiFi. For some reason, I can't break much past 1.5MB/s transferring files over the network. I've tried streaming through XBMC and a standard file copy; no difference. To add the confusion, if I connect to my guest network and then use my VPN server (installed on the router) to access the file server, I get around 3.2MB/s. I've been running diagnostics to determine the root and I think I've found it but I have no idea what is causing it or how to fix it. Router: Asus RT-N66U Surface Pro 2 Network Card: Marvell Avastar 350N (Driver 19/09/2013 v14.69.24044.150) InSSIDer: Link Score: 100 Co-Channels: 0 Overlapping: 0 5GHz Network Channel: 48+44 iperf File Server as Server; Surface Pro 2 as Client - TCP Performance: Acceptable ------------------------------------------------------------ Server listening on TCP port 5001 TCP window size: 85.3 KByte (default) ------------------------------------------------------------ [ 4] local 192.168.0.90 port 5001 connected with 192.168.0.56 port 57367 [ ID] Interval Transfer Bandwidth [ 4] 0.0- 1.0 sec 10.1 MBytes 84.7 Mbits/sec [ 4] 1.0- 2.0 sec 10.4 MBytes 87.6 Mbits/sec [ 4] 2.0- 3.0 sec 10.6 MBytes 88.8 Mbits/sec [ 4] 3.0- 4.0 sec 10.7 MBytes 89.5 Mbits/sec [ 4] 4.0- 5.0 sec 10.1 MBytes 84.4 Mbits/sec [ 4] 5.0- 6.0 sec 10.2 MBytes 85.8 Mbits/sec [ 4] 6.0- 7.0 sec 7.04 MBytes 59.1 Mbits/sec [ 4] 7.0- 8.0 sec 10.8 MBytes 90.2 Mbits/sec [ 4] 8.0- 9.0 sec 10.6 MBytes 89.1 Mbits/sec [ 4] 9.0-10.0 sec 8.62 MBytes 72.3 Mbits/sec [ 4] 0.0-10.0 sec 99.2 MBytes 83.1 Mbits/sec iperf Surface Pro 2 as Server, File Server as Client Performance: Poor ------------------------------------------------------------ Client connecting to 192.168.0.56, TCP port 5001 TCP window size: 22.9 KByte (default) ------------------------------------------------------------ [ 3] local 192.168.0.90 port 40233 connected with 192.168.0.56 port 5001 [ ID] Interval Transfer Bandwidth [ 3] 0.0- 1.0 sec 1.50 MBytes 12.6 Mbits/sec [ 3] 1.0- 2.0 sec 1.50 MBytes 12.6 Mbits/sec [ 3] 2.0- 3.0 sec 1.50 MBytes 12.6 Mbits/sec [ 3] 3.0- 4.0 sec 1.25 MBytes 10.5 Mbits/sec [ 3] 4.0- 5.0 sec 1.62 MBytes 13.6 Mbits/sec [ 3] 5.0- 6.0 sec 1.50 MBytes 12.6 Mbits/sec [ 3] 6.0- 7.0 sec 1.38 MBytes 11.5 Mbits/sec [ 3] 7.0- 8.0 sec 1.50 MBytes 12.6 Mbits/sec [ 3] 8.0- 9.0 sec 1.50 MBytes 12.6 Mbits/sec [ 3] 9.0-10.0 sec 1.62 MBytes 13.6 Mbits/sec [ 3] 0.0-10.1 sec 15.0 MBytes 12.4 Mbits/sec For some reason, it gets capped and I haven't got a clue why. Any suggestions? Edit: My link speed is reported as 270Mbps by Windows. I'm less than two metres from the router with a clear line of sight.

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• Can I use static routing to allow me to use my public IP from my LAN?

  - by jnm2

  I would like to be able to use the same hostname to connect to my computer from my phone whether I'm at home or away. Currently I have to maintain duplicate entries for remote desktop, for instance. My router doesn't seem to have a NAT loopback option. I have two routers in fact, a cable modem which goes straight to my main router which does wireless. I can add to the static routing tables on each. Can I use this to loopback the public IP or do I need different routers?

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• Does connecting to the default host via public IP from within its subnet cause any issues?

  - by username

  I'm setting up a small office network with a single public IP (let's say it's 69.16.230.117). I've configured NAT on the router with incoming traffic forwarded to the server (say the server has a private IP of 192.168.0.2). Is it okay to configure the client machines on the same subnet to access the server via the router's public IP (69.16.230.117)? In practice it's never caused me problems, but I've heard, here and there, that it is a bad idea, and one should use the private IP (192.168.0.2). Does connecting to the default host via public IP from within its subnet cause any issues? Please refrain from writing "never! it breaks the intranet!" ;-)

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• ASUS WL-500gP v2 network between two local machines

  - by Epsiloncool

  I have two windows XP machines in my home networks, connected with ASUS WL-500gp V2 which also used as internet router. Problem is: while I have both computers normally goes to internet (used DHCP, static routes is ON, routing table is empty, operation mode is Home Gateway). I see both computers listed on the Network Neighborhood on 1st computer (wired to router), can enter to my own computer, but can not enter to other. I see only one computer (2nd) on the Network Neighborhood on 2nd computer (connected thru Wi-Fi), can enter to itself, getting error when trying to enter 1st computer address in address line (like \My1stComp). What is the problem? I totally crazy founding problem about 3 months.

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• Internet connection resets (wifi), no device has wifi for moment

  - by Gizmo

  I have a few devices setup and I noticed this happens with both my old and new router (two different vendors&models) This happens occasionally, and I tried wireshark today and this cought my attention: No. Time Source Destination Protocol Length Info 69 6.464423000 LiteonTe_7f:64:30 Broadcast ARP 42 Who has 192.168.2.4? Tell 0.0.0.0 73 7.451146000 LiteonTe_59:65:94 Arcadyan_e1:8c:cf ARP 42 Who has 192.168.2.254? Tell 192.168.2.1 85 9.450443000 LiteonTe_59:65:94 Arcadyan_e1:8c:cf ARP 42 Who has 192.168.2.254? Tell 192.168.2.1 91 10.521000000 LiteonTe_59:65:94 Broadcast ARP 42 Who has 192.168.2.254? Tell 192.168.2.1 93 10.860953000 LiteonTe_7f:64:30 Broadcast ARP 42 Who has 192.168.2.254? Tell 192.168.2.4 97 11.099463000 LiteonTe_7f:64:30 Broadcast ARP 42 Who has 192.168.2.254? Tell 192.168.2.4 where 192.168.2.254 is the gateway/router, 192.168.2.1 my laptop ip and 192.168.2.4 my sisters laptop.. what's happening here?

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• 2 RJ45 connectors on a one WAN cable

  - by mr_stavo

  Hello, I encountered strange setup on a network at company where I do some work. They have internet connection from small ISP located in the same building, all I see is one CAT5 cable with 2 RJ45 connectors. One is going to WAN port on the router and another into LAN port on the same router. This is the only way for internet connection to work. I tried to connect my laptop to one of the RJ45 but it won't work. Now, what is the purpose for such setup?

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• Is there a way for me to test my [closed]

  - by Jimi

  I have a home network with a cheap-o little router with a development server and a few devices hooked up to it. I am finding that backups of my server are taking FOREVER (a week for 60gb) running backups renders my internet connection useless from any other box int he house. I have maxed out the pipe to my house from the ISP (10down, 3up), but is there a way for me to test and see if my router is bottlenecking anything? I feel like 60gb backups shouldn't take this long so any help would be great!

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• TCP and fair bandwidth sharing

  - by lxgr

  The congestion control algorithm(s) of TCP seem to distribute the available bandwidth fairly between individual TCP flows. Is there some way to enable (or more precisely, enforce) fair bandwidth sharing on a per-host instead of a per-flow basis on a router? There should not be an (easy) way for a user to gain a disproportional bandwidth share by using multiple concurrent TCP flows (the way some download managers and most P2P clients do). I'm currently running a DD-WRT router to share a residential DSL line, and currently it's possible to (inadvertently or maliciously) hog most of the bandwidth by using multiple concurrent connections, which affecty VoIP conversations badly. I've played with the QoS settings a bit, but I'm not sure how to enable fair bandwidth sharing on a per-IP basis (per-service is not an option, as most of the flows are HTTP).

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• Using Solr and Zends Lucene port together...

  - by thebluefox

  Afternoon chaps, After my adventures with Zend-Lucene-Search, and discovering it isn't all its cracked up to be when indexing large datasets, I've turned to Solr (thanks to Bill Karwin for that :) ) I've got Solr indexing the db far far quicker now, taking just over 8 minutes to index a table of just over 1.7million rows - which I'm very pleased with. However, when I come to try and search the index with the Zend port, I run into the following error; Fatal error: Uncaught exception 'Zend_Search_Lucene_Exception' with message 'Unsupported segments file format' in /var/www/Zend/Search/Lucene.php:407 Stack trace: #0 /var/www/Zend/Search/Lucene.php(555): Zend_Search_Lucene-_readSegmentsFile() #1 /var/www/z_search.php(12): Zend_Search_Lucene-__construct('tmp/feeds_index') #2 {main} thrown in /var/www/Zend/Search/Lucene.php on line 407 I've tried to have a search around but can't seem to find anything about this problem, everyone just seems to be able to get them to work? Any help as always much appreciated :) Thanks, Tom

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• Zend_Soap_Client doesn't work with proxy

  - by understack

  I'm accessing a SOAP web service like : $wsdl_url = 'http://abslive3.timesgroup.com:8888/clsRSchedule.soap?wsdl' ; $client = new Zend_Soap_Client($wsdl_url, array('proxy_host'=>"http://virtual-browser.25u.com" , 'proxy_port'=>80)); Since my shared server blocks port 8888, I'm using this proxy server. But Zend Soap Client tries to directly connect it. Exception information: Message: SOAP-ERROR: Parsing WSDL: Couldn't load from 'http://abslive3.timesgroup.com:8888/clsRSchedule.soap?wsdl' : failed to load external entity "http://abslive3.timesgroup.com:8888/clsRSchedule.soap?wsdl" Stack trace: #0 /home/..../library/Zend/Soap/Client/Common.php(51): SoapClient->SoapClient('http://abslive3...', Array) #1 /home/..../library/Zend/Soap/Client.php(1024): Zend_Soap_Client_Common->__construct(Array, 'http://abslive3...', Array) #2 /home/..../library/Zend/Soap/Client.php(1180): Zend_Soap_Client->_initSoapClientObject() #3 /home/..../library/Zend/Soap/Client.php(1104): Zend_Soap_Client->getSoapClient() #4 [internal function]: Zend_Soap_Client->__call('ReturnDataSet', Array) What am I doing wrong?

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• Does Zend Navigation view helper has a uri integrity check?

  - by simple

  I am kind a confused, though I am using the uri's, it doesn't render child menu items when uri has nonexisting element(madule name||controller name) <tours> <label>Tours</label> <uri>/admin/tour/index/list</uri> <class>admin-main-navigation-item ui-corner-right</class> <pages> <add> <label>Add</label> <uri>/admin/tour/index/form/type/add</uri> </add> <edit> <label>Edit</label> <uri>/admin/tour/index/list</uri> </edit> </pages> </tours> the edit and add item are not rendered because of the "admin" - is a dummy word that I use to distinguish if it is a frontend or backend of the module. any help would be appreciated, thanks

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• Architecting ASP.net MVC App to use repositories and services

  - by zaladane

  Hello, I recently started reading about ASP.net MVC and after getting excited about the concept, i started to migrate all my webform project to MVC but i am having a hard time keeping my controller skinny even after following all the good advices out there (or maybe i just don't get it ... ). The website i deal with has Articles, Videos, Quotes ... and each of these entities have categories, comments, images that can be associated with it. I am using Linq to sql for database operations and for each of these Entities, i have a Repository, and for each repository, i create a service to be used in the controller. so i have - ArticleRepository ArticleCategoryRepository ArticleCommentRepository and the corresponding service ArticleService ArticleCategoryService ... you see the picture. The problem i have is that i have one controller for article,category and comment because i thought that having ArticleController handle all of that might make sense, but now i have to pass all of the services needed to the Controller constructor. So i would like to know what it is that i am doing wrong. Are my services not designed properly? should i create Bigger service to encapsulate smaller services and use them in my controller? or should i have an articleCategory Controller and an articleComment Controller? A page viewed by the user is made of all of that, thee article to be viewed,the comments associated with it, a listing of the categories to witch it applies ... how can i efficiently break down the controller to keep it "skinny" and solve my headache? Thank you! I hope my question is not too long to be read ...

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• D-LINK 2450U DSL router: Port forwarding forwading to the modem itself, not the specified IP

  - by axk

  I found a similar question but it has no satisfactory answers. I have a D-LINK 2540U DSL router. It has a basic port forwarding(under DNS - Virtual Servers) configuration in the administration panel where you specify: external port range, protocol, internal port range, server IP address and it is supposed to forward that port to that IP address. When I first set it up for a Real VNC connection it worked fine, just as I expected. Then I added a DynDNS configuration entry in the router's 'Dynamic DNS' section and added an additional SSH (22) forwarding rule. The SSH forwarding also worked fine (now with the dynamic hostname, but I suppose it doesn't make any difference as far as SSH is concerned). Then I removed the SSH rule and after that the VNC forwarding stopped working with the VNC client failing to connect (I have tried to connect with telnet and it also failed to connect, so it wasn't a VNC problem). After adding a rule for port 80 it turned out it would forward on port 80 though not to the specified server IP but to the modem itself. At least it is what it looks like, because it gives me the administration panel when I connect to my external IP (both using a browser and plain telnet in which case I can see that it is mini_hhtpd sitting on the port, which is obviously the modem's administration panel). Have anybody encountered a similar problem with port forwarding? I have tried to do a reset through the administration panel and to restore a backup of the settings made before I started playing with port forwarding, but it didn't help. Should I do a 'hard' reset with the button on the modem? Is it any different from the administration panel's reset (Restore default)?

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