Protocols / Routing :: External IP Forwarding Intermittent

Apr 4, 2011

I have a Belkin router (model to follow when back at work), which I've set up port forwarding, or virtual servers as it's called in the router admin. I also have a PPPoA login with static IP from BT which has been set up on the router.Essentially, if I was to visit the routers IP address in a browser, It should go via my router and through it's port 80 forwarding to the assigned IP which has a static IP rather than DHCP assigned IP within the network. The computer with this IP has a web server set up, and the holding page will be shown in the browser. This is how it should work.

Mine works exactly as it should as shown above... Some of the time. Generally though, connecting to the network externally doesn't work, and the port forwarding seems not to work. I've tried pinging the external IP and get connection time outs, which obviously is not ideal. When I reset the router it sometimes works as it should, but mainly doesn't. I have a few ports forwarded to a server computer, and when the web server cannot be contacted, neither can any of the other forwarded connections.

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Protocols / Routing :: How To Check External Subnet

Sep 25, 2012

I have to get a list of external subnet's and external IP's for several properties so that the web based time card software can restrict access.I can get external IP easy, but I don't see an easy way to get the subnet. Is the only way to do this by contacting comcast/att at for each location and check with them?

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Protocols / Routing :: Change Assigned External Ip Address?

Mar 30, 2011

How can I change my external IP address which is assigned

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Protocols / Routing :: Port Forwarding Through 2 Routers?

Jun 16, 2012

I am trying to port forward for Vuze and I am having a problem understanding the concepts at [URL] for working within two routers. I have a Zoom 5241 cable modem connected through a Motorola VT2442-VD for Vonage VOIP, then connected through my Netgear RangeMax WPN824v3 wireless router, to my computer. I am also running AVG internet security. Here is a look at my ipconfig /all:

C:Users
ex>ipconfig /all
Windows IP Configuration
Host Name . . . . . . . . . . . . : MarekFamily
Primary Dns Suffix . . . . . . . :
Node Type . . . . . . . . . . . . : Hybrid
IP Routing Enabled. . . . . . . . : No

[code]....

However, I do not understand where to setup the static ips and where to drop DHCP to be able to port forward successfully. I have tried in Vuze to set up acceptable ports 51600 for TCP and UDP, but they continue to get this error: "NAT Error - Connect attempt to 67.60.124.173:51600 (your computer) timed out after 20 seconds. This means your port is probably closed." I do know that the Ip present is from my Vonage with my external IP address. I even tried to establish rules for TCP and UDP within AVG Firewall settings for the Vuze program.

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Protocols / Routing :: Port Forwarding On BTHome Hub

Apr 5, 2011

I've been having trouble signing into the PSN and Sony have given me some TCP and UDP ports to enter, I presume they're the ports for PSN.
TCP Ports: 80, 443, 5223, and 10070 - 10080
UDP Ports: 3478, 3479, 3658, and 10070,
When you want to open new ports on the BT HomeHub you have to fill out this form, and I don't know whereabouts I enter these ports I've been given.

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Protocols / Routing :: Port Forwarding On Actiontec Q1000?

Jul 15, 2012

I have my internet through CenturyLink which is a DSL connection running on an Actiontec Q1000 on a Windows 7 set up. I'm trying to run a subsonic server on my computer to stream my music collection. It was all working beautifully until I had to switch to this modem from my previous. Now, when I go to canyouseeme.org, it can't see that 4040 and 8080 are open. They need to be for subsonic to work? I've tried to set it up as portforwarding

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Protocols / Routing :: Port Forwarding 25565 Fails?

May 13, 2012

At first I tried to port forward 25565 on my D-Link Router account, but that didn't work for anyone trying to connect through the External IP.

People can connect locally over my network and I can connect to the game via localhost, but like I said, no friends from abroad.

I've checked my External IP and that doesn't work, I've tried resetting my router to factory default and then reinstalling the firmware for the model, that didn't work. I tried removing the firewall altogether, and also just allowing 25565, but that didn't work. I also got my friend to take their firewall off as well.

(Also, it should be known, when I'm port forwarding I'm allowing access, and have 25565 set in both TCP and UDP. I tested to see if the port was open on Open Port Check Tool, but it said it was closed (connection timed out) even though I had it forwarded)

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Protocols / Routing :: Port Forwarding TP-Link TD-W8970?

Jan 19, 2013

Router Model: TP-Link TD-W8970 port forwarding my modem/router. I previously was able to successfully port forward a Valve Source Server and had other people join on the internet so...(It worked) I recently reformatted and since have had issues.

I'm currently setup with PPPOA and I've added various ports for different programs (a Teamspeak 3 Server[9987] and Minecraft[25565]) either dont work. I used a port checker program and they either say the port is closed or the connection is refused...I've tried using a static IP but I think i configured it wrong becuase i was barely able to get the internet while using it, either way..the ports didn't open.

DCHP is disabled (Tried enabling, didn't work) The above ports are enabled with Windows firewall (inbound+outbound) and Im not using any Anti-virus software to block the ports. Windows 7 64bit, fresh format and ports that wont go through.

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Protocols / Routing :: Hosted VPN / IP Forwarding / Routing And Bridging?

Apr 5, 2011

I have got a PC at work (Windows XP Pro SP3) that is on two networks with the IPs 10.20.30.167, subnet 255.255.255.0 (internet enabled) and 10.0.0.20, subnet 255.255.255.0 (no internet). On the 10.0.0.X network there is a gateway with the IP 10.0.0.200 allowing access to another network; 192.168.60.X, subnet 255.255.255.0 (no internet). I have added the route on my work PC to access the 192.168.60.X network via this gateway and I can access all PCs on all three networks from this PC.Now, I am using LogMeIn Hamachi so that I can access the networks at work from home. The PC at work is the 'gateway' PC on the Hamachi network. When installing Hamachi it created a new network connection and bridged this connection with my 10.20.30.167 network adapter to allow access to the 10.20.30.X network from an external PC when connected using the Hamachi VPN connection. I have manually configured my Hamachi connection on my PC at home to the IP 10.20.30.169, subnet 255.255.255.0, with the default gateway set to 10.20.30.167. I can ping all computers on the 10.20.30.X network from my PC at home.

I then added a route on my PC at home for 10.0.0.X to go via 10.20.30.167 (the 'gateway' on the Hamachi network). I also enabled IP forwarding on the 'gateway' PC (my PC at work). I can not ping any PC on the 10.0.0.X network from my PC at home apart from 10.0.0.20 (the other NIC in the Hamachi gateway PC) and 10.0.0.30 (another PC on the 10.20.30.X network that is also on the 10.0.0.X network).Now, with IP forwarding enabled on the Hamachi gateway PC I would assume after adding the route on my PC at home for 10.0.0.X traffic to go via 10.20.30.167 that I would be able to ping all PCs on the 10.0.0.X network...I also tried adding a route on my home PC to send all traffic for the 192.168.60.X network via 10.20.30.167 which has a route via 10.0.0.200 to the 192.168.60.X network, but this also did not work.I then tried adding the 10.0.0.20 network adapter into the network bridge that the Hamachi connection made, also keeping both IPs (10.20.30.167 and 10.0.0.20) on this network bridge by adding them into the 'IP Settings' in the 'Advanced TCI/IP Settings'. I also added the 10.0.0.200 gateway for good measure. I still cannot ping any PC on the 10.0.0.X or 192.168.60.X networks from my PC at home.

I have also added the route to the 10.20.30.X network on a PC on the 10.0.0.X network to go via 10.0.0.20 and tried pinging a PC on the 10.20.30.X network but this also has not worked. Also setting the default gateway on a PC on the 10.0.0.X network to 10.0.0.20 does not allow this...Surely bridging the networks 10.20.30.167 and 10.0.0.20 on my work PC would allow another PC on the 10.0.0.X network to access the 10.20.30.X network after adding the route or setting 10.0.0.20 as the default gateway?

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Protocols / Routing :: Port Forwarding To Access Share Point

Mar 31, 2013

I've been trying to configure my router which is linksys E1000 to forward port to my sharepoint server. Here is what I have done so far, setup single portforward to i.e 192.168.xx.xx using port 4848.Now my question is, do I need to configure sharepoint to receive this incoming connection. I do need to have my sharepoint be accessed anywhere on the web.

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Protocols / Routing :: Port-forwarding - Linking Back To Network URL?

Jun 30, 2012

I have set up port forwarding for my WD Network HDD, which runs a Media Server (Twonky). Now, I have tested the ports and accessed it through the internet and it works fine, until... I click a link to open a folder and suddenly I get a "No such page" error thing. I have however identified this problem, it seems that when I go off the main page it re-routes to the original network address, not my IP forward address. For Example if my IP was 82.9.12.456 and the port was 800 i would go to "82.9.12.456:800" and it would load but once I navigate i go to "192.168.0.*:800/*****" and does not load the page. If i then copy and past my IP into the URL it works, but this is annoying.

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Protocols / Routing :: Port Forwarding Ranges On Cisco Rv180w Router?

Aug 13, 2012

I'm just setting up a Cisco rv180w router to replace our aging Belkin. I need to allow a range of ports through the firewall to a particular PC on our internal network that runs our VOIP/SIP Trunk phone system.

The Cisco's Port Forwarding looks like it can only forward one port at a time, but for our phones I need to allow a full range of ports (in this case ports 49152-64512) to one machine at 192.168.x.xx.

On the Belkin I used something called 'Virtual Servers' which allows you to enter ranges of ports. Anybody know what the equivalent might be for the Cisco router?

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Protocols / Routing :: Comtrend WAP5813n Router Fails At Port Forwarding

May 5, 2011

My Comtrend WAP5813n router, seems to be failing at port forwarding as I have configured it to forward ports,all the port checkers (offline and online) say those ports are open, yet I cannot access through them,it just fails to forward them(My server isn't blocking anything because it has worked on a previous router).

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Protocols / Routing :: Port Forwarding Minecraft - Qwest Modem / Linksys Router?

Oct 1, 2012

port forwarding this im trying to setup a minecraft server with bukkit and i tried a number of things to port forward and it won't open port. I have a tomato firmware linksys router and a qwest modem.

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D-Link DIR-655 :: Port Forwarding And Router Masking External Ip

Jul 29, 2011

I currently use a D-Link DIR-655 router on a game server I run and I've been having this problem for sometime now.  I have the router hooked up to the internet modem, and then my server computer hooked up to the router's first port.  I use port forwarding to forward the game ports, as well as my FTP server ports.  I have about 80 clients or so logged in at a time on my server.The issue is the following.  Our internet connection has an external IP of 67.23.155.123 (this is just an example).  My internal IP is 192.168.0.101.When I do "netstat" to see all the clients logged in to the game server on this computer or when I run Wireshark, every client logged in to the server (for this game application) is shown as having an IP of 67.23.155.123 (the server's external IP).On the other hand, for our FileZilla FTP server, if I run Wireshark/netstat, I can actually see the client's external IP (i.e. each individual IP of people logged into the FTP).If I hook up the server directly to the internet modem, this isn't a problem, and I am able to correctly see the IP of each client logged in to the game server individually.

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Huawei HG523a - WampServer And Port Forwarding For External Access

Apr 16, 2013

I am trying to make my WampServer public but nothing i have tried so far seems to be working. It was all good and well before i got a new router from my new provider.

The router is a Huawei HG523a & my ISP is TALKTALK.

These are the settings i have for the port forwarding. Advanced->Advanced->NAT->Port Mapping

Mapping Name: WebServer(HTTP)
Interface: nas_0_38
Protocol: TCP
Remote Host:
External Start Port: 80
External end Port: 80
Internal Port: 80
Internal Host: 192.168.1.2
Enable: Enable

I have reserved the IP address 192.168.1.2 for my computer under Advanced->Basic->LAN->(Ip address Reserve).

I believe this is all i need to do for the router side of things.

Now for Apache: The .httpd file...

Listen 192.168.1.2:80

And that's everything. The problem is that when i put in my public IP address its not forwarding to my WampServer. its just going to the routers log-in page. If i put in my local ip then i get my servers webpage like i should.

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Cisco Routers :: SRP541W Set Up Port Forwarding From External Port

Apr 13, 2013

I've set up port forwarding from an external port (9000) to an internal port (80) on our SRP541W, and for some reason, it's not working externally. If I access the public address from within the internal network, it works properly.

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Cisco Switching/Routing :: C3950 - Intermittent Message / May Suspend At Level 4

Jul 16, 2012

For a week now, one of my Cisco 3945 routers displays, from time to time, the following message in its log:
 
2012-07-16T14:12:43.852017+00:00 cb00-r103 220: [syslog@9 s_sn="59"]: Jul 16 16:12:42 MEST: %SYS-2-INTSCHED: 'may_suspend' at level 4  -Process= "OSPF-100 Hello", ipl= 4, pid= 320
2012-07-16T14:12:43.852017+00:00 cb00-r103 221: [syslog@9 s_sn="60"]: -Traceback= 15CB073z 9081B7z 2851571z 11B7582z 11C275Ez 11C2906z 11C03E3z 1B907B5z 1B9064Cz 1BA5737z 172047Fz 47FFDCz 4D2EEDFz 4D2ED71z 4D2EA2Bz 4D30097z
2012-07-16T15:06:11.686817+00:00 cb00-r103 222: [syslog@9 s_sn="61"]: Jul 16 17:06:10 MEST: %SYS-2-INTSCHED: 'may_suspend' at level 4  -Process= "OSPF-100 Hello", ipl= 4, pid= 320
2012-07-16T15:06:11.686817+00:00 cb00-r103 223: [syslog@9 s_sn="62"]: -Traceback= 15CB073z 9081B7z 2851571z 11B7582z 11C275Ez 11C2906z 11C03E3z 1B907B5z 1B9064Cz 1BA5737z 172047Fz 47FFDCz 4D2EEDFz 4D2ED71z 4D2EA2Bz 4D30097z

[code]....
 
It never happened before and the configuration did not change. The only thing that happened, the WAN connection (point-to-point to a Cisco 3845) went down and the router rebooted while the WAN was down. When the WAN came up again, everything went fine, until about an hour later and the first occurrence of this mentioned log.This 3945 does establish an IPSec tunnel with its peer (the 3845) and all the traffic, including OSPF, is going through the tunnel. 

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Cisco Switching/Routing :: 4510 - Intermittent Packet Drops In Network

Nov 30, 2011

We are facing issue related to STP.I am getting MAC FLAP error on Cisco 4510 switch. The effect on network is intermittent Pkt drops in the network. When I checked the specific Ip address I am getting the same with two different. [code] Vlan is created on CORE switch and assign priority 0 than CORE switch should be the Root. but instead Root port is becoming the port where server is connected. Server at last connected to CORE switch via HP switch via other Vlan to CORE switch and creating a loop as shown in Diag. [code] The Priority of Vlan 102 is changed and Root port has been changed due to that. The Bridge ID is the same as CORE switch.

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Cisco Switching/Routing :: 881W - IOS Port Forwarding Commands For Port Forwarding

Apr 7, 2013

I am trying to open up port 32400 on my 881w Cisco router but I have not had any success I need to configure manual port-forward to enable my Plex Media server.

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Cisco Switching/Routing :: Any Function Built In Nexus 5010 To Detect Intermittent Link Down

Nov 23, 2011

I found intermittent link down(20~40 seconds average) occurred about 1~10 times every month. SAP reported a lot of active connections are disconnected and I used a batch to ping and found "requested time out" about 30 seconds.And Windows, SQL server, Nexus 5010 do not show any errors. We run cluster and cluster does not fail over.And I don't know which cables or nics cause this issue. When it happened, almost all servers are unreachable. For example, SQL server 1 -> SQL server 2, IBM HS22-1 -> SQL server 1. However, some connections are not dropped sometimes. It varies each time.PS: I run this topology last year without any problems but it started intermittent link down from 2011/1/7. Because there is no errors in Nexus 5010, it is difficult to troubleshoot. Cisco TAC recommended us to implement virtual port channel yesterday. Could I use "errdisable detect cause" to detect what caused the intermittent link down? Is there any error logs or switch parameters/status can use to troubleshoot?

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Why WAN Protocols Like Frame-relay / HDLC And PPP Are Called Layer2 Protocols

Aug 20, 2011

why the WAN protocols like Frame-relay, HDLC and PPP are called Layer2 protocols?What is the address scheme they use?

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Protocols / Routing :: Windows 7 Routing Traffic Between VPN And NIC?

Sep 2, 2012

I have two computers. Computer A is connected to the internet through GSM network. Computer A also have NIC adapter which is connected to local network with IP 192.168.33.10/24.

Computer B in connected to internet with DSL connection.

On both machines I use TeamViewer to make VPN secure tunnel between this two computers. Computer A gets IP:7.200.100.2 Computer B gets IP:7.200.100.3

How can I access from computer B to specific device with IP 192.168.33.250 which is on local network of computer A?

Is it possible to route traffic from VPN to other local network, or it is some possibility to use port forwarding from VPN connection to specific IP address on the local network to specific port number?

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Protocols / Routing :: Escalate An Internet Routing Beyond My ISP?

Apr 5, 2013

We have a PPPoE DSL link with a dedicated IP providing by a small ISP(ISP A) in Canada. We are having trouble reaching a small group of IPs in the US to be able to access some client resources.We have eliminated all possible local issues by removing the firewall and making a direct connection to the ISP. We have also had numerous tests prove successful when we use other local ISPs.

Trace routes show that the packets get dropped a few hops from the destination on a US ISP(ISP B).The routes even appear to be very similar to the other ISPs we tested. We escalated to ISP A and they say that everything is working properly on their end and the problem is with ISP B. They claim they "have no partnership with ISP B and therefore cannot create a ticket to get it resolved". I tried calling ISP B but I get nowhere because I am not a customer of theirs.

My solution is to give ISP A the boot, but management has denied that request because of the amount of effort required to switch over. How I can escalate this? Is there anyway to go over and above the ISPs?

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Routing Protocols Cannot Communicate Together

Sep 5, 2011

I have an skill exercise with 4 Routing Protocols Default Route,Static Route,Eigrp, Ospf. I have about 6-7 routers, and each of them has an routing protocol. But the problem is the Main router INTERNET, which it has to use Static in a direction, and default in the opposite path. This is the scheme of routers and how the r.protocol have to be configured.

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Protocols / Routing :: Can't Go On Websites

Feb 26, 2011

The websites I usually go on now have some type of error page when I go to them. So far it has happened to 2 of them though they might not be related.

Here's what the page says:

Site 1- Valenth
Quote:
Warning: mysql_connect() [ function.mysql-connect]: [2002] Connection timed out (trying to connect via tcp://ec2-184-73-84-14.compute-1.amazonaws.com:3306) in /var/www/valenth.com/include/database.class.php on line 25

[Code]....

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Protocols / Routing :: Webpage Not Available?

Sep 4, 2012

i've had this internet problem that has been going on with a wireless laptop i've had since april. it only happens on this computer, and i've tried many solutions. occasionally, i will try and go to pages on google chrome and an error pops up that says "this webpage is not available." when i play games that are online, they get disconnected as well. i've added google chrome and my other browsers to the firewall list and i've also changed the DNS server. when i use the troubleshooter it says something like "router, or modem is not connected to the internet. i've even downloaded the "fix it" program and it detected no problems

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Protocols / Routing :: Can't Get RDP To Work

Jun 1, 2011

I can't get RDP to work on a specific computer.I've already set it up on the router, know the IP address, and I can get it to work great with the server, but the workstation we want it to go to won't accept it.I checked, it's set to allow RDP, the firewall exception was setup, also turned off the firewall completely, removed the antivirus software, checked TCP/IP filtering on the lan connection, even changed the listening port and still nothing.

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Protocols / Routing :: IP Conflict Through LAN

Jan 4, 2012

Problem with a conflicting IP address. Basically on a normal running day my wireless is switched on and connected perfect to my internet, however if i want to download any large files i plug my Ethernet to my laptop and disable the wireless from my laptop, instantly then the LAN connection kicks in and im on the internet again as i find download speeds are faster through a LAN. However today my wireless is fine but the second i switch to LAN the ! symbol appears and a message says their is an IP conflict.

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Protocols / Routing :: Unable To Use FTP

Aug 17, 2011

I've been timing out via any FTP client, including FileZilla, FireFTP, and a few others. I even downloaded a few just to see if I could connect with other clients.I contacted my host who can't recreate the issue on their end. I contacted my ISP who instructed me to use my command prompt in order to connect to their server, and that of mozilla. Both times I was able to connect via the command prompt.I don't understand what's going on.If I can connect to the sample sites that my ISP gave me, why can't I connect using an FTP client any longer. What possible change could have been made to have caused that disconnection that happened a few nights ago, and is now causing the timeouts I continue to receive?

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Protocols / Routing :: How To Change My Ip

Apr 12, 2011

How can i actually change my ip...tryed those cmd things but nothing works. Ineed to change ip somehow.

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Data Structure For Routing Protocols

Jul 14, 2011

We know that every node in the network uses its routing table to forward the packets towards their destination. I have a doubt that which data structure used to implement these routing protocols.

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Cisco :: Encapsulation Of Routing Protocols

Dec 8, 2012

encapsulation of routing protocols. Where exactly in the OSI, or TCP/IP for that matter, model does the data of the routing protocol fit into ? Is it encapsulated inside the transport layer segment payload ? So far from the I've gathered, that's where it should fit.

#####@@@@$$$$routing/procotocol/and/data/etc#####
#-Data link header and trailer
@-Network layer header
$-Transport layer header.

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