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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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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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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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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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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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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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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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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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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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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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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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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Jan 10, 2013
Here's my setup:
- Cisco 1841 connected to the internet on fa0/1
- LAN connected to fa0/0/1 (switch port, connected to Vlan1)
On my LAN I have a web server that houses different websites. Those websites have DNS records that point to my public IP address, located on fa0/1. From the outside I can reach the websites perfectly, but I can't reach them from the inside. So it looks like I can't seem to connect from my local LAN address to the public ip address on the Cisco (who then should NAT it to the correct server)
Here is a snippet from my config:
--NAT--
ip nat inside source static tcp 192.168.0.3 80 interface FastEthernet0/1 80
ip nat inside source route-map Internet interface FastEthernet0/1 overload
--OUTSIDE INTERFACE--
interface FastEthernet0/1
description WAN
ip address dhcp
ip access-group WAN-IN in
[ code]...
--INSIDE INTERFACE--
interface Vlan1
description LAN
ip address 192.168.0.254 255.255.255.0
ip access-group LAN-IN in
[Code]....
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Feb 20, 2013
I am trying to have F4 (the WAN interface) bridged to a VLAN interface. I have put my VLAN interface and my F4 in the same bridge-group, set an IP in the BVI Interface, and made sure that VLAN was properly trunked and configured on one of the router's switch ports
In other words, I need F4 to be treated as a switchport in access mode on my VLAN 10.
(...)
bridge irb
(...)
interface FastEthernet0
description trunk
switchport trunk native vlan 10
[Code].....
A ping in my vl10 VRF to 10.0.0.1 does not work. ARP does not resolve.
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Apr 24, 2013
I am trying to bridge the traffic(including different vlan traffic) from rtrA to rtrB using "bridge-group" functionality.I achived the same using a 7200 using the below configuration. [code] When I tried the same using 7600 router ping failed between rtrA and rtrB. Then from the documents it seems "bridge irb" is not supported in 7600.Is there any other way we can achieve the same fuctionality ( eg: using switchport also fine) ?
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Mar 25, 2013
I have following requirements to implement on cisco asr1001 router.
1.G0/0/0 and G0/0/1 interfaces are connected to a swith through trunk. Multiple customers are will be using this trunk interface . Each customer will have subinterface with dot1q tag.
2 I want both sides of the ASR1001 to be in same segment .
3 If above two is possible I would like to implement shaping on each customers sub-interface level
is above implementation is possible on asr1001. configration and ios information. I found a technology called EVC . but I am not sure is that the one suited for me.
network diagram is attached seperately.
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Aug 6, 2012
I have 2 networks.
NETWORK 1:EOC connection fro ISP going into a router (not the RV042) with a static WAN address from ISP. This router is hooked up to a switch that all the computers are connected to. All the computers on this network are using 192.168.1.x addresses. Most of these addresses are static, but the router is running DHCP in case we hook up temporary computers like laptops or client machines to this network.
NETWORK 2:DSL connection going into a router (not the RV042) with a static block of IPs from ISP. (8 IPs, 5 usable for the WAN interface, 1 static IP is being used for WAN interface). This router has a VPN connection set up for remote access to the linux machines on this network. This router is running DHCP on the LAN interface for this network with addresses 172.16.1.x. All the computers on this network are tied together with another switch, completely seperate from the 192.168.1.x network switch.
PROBLEM:We needed computers on the 192 network to be able to access computers on the 172 network. Someone decided to just run a cat 5 cable from the 192 switch to the 172 switch (not the routers, the switches). This "worked" - badly. Appearently there is a DHCP conflict (or something else going on) that was causing the router on the 172 network to try and assign addresses to the 192 network computers, and it was also "resetting" a connection about once an hour. This crashed our server on the 192 network. I disconnected that cat 5 cable between the two siwtches, and now each of the two networks are working properly, but they are now completely isolated from one another.
I need to create a bridge between the 2 networks so that machines on the 192 network can access machines on the 172 network while filtering out DHCP broadcasts from either network router to the other network. (I may need to filter out other protocols as well, but don't know yet.)So, I see 3 potential ways of doing this but don't know if they will work:
1) Can I just set up multiple subnets on the LAN interface of the RV042 and just run 2 cat5 cables from each switch on the two networks to the LAN ports of the RV042?
1a) If I do set up multiple subnets on the LAN interface of the RV042, do I need to assign the two ports to different VLANs? (I don't see any way to set each port to a specific IP address.)
2) Can I set up the 2 WAN ports on the RV042, one static for each network, and will the RV042 route traffic from 1 WAN port to the second WAN port?
3) Is there some other way I should consider setting this up?
Finally, someone mentioned that once I get the RV042 set up correctly as a bridge, I will need to route 172 addresses on the 192 network to the 192 interface of the RV042 via the DHCP router on the 192 network, and conversely, I will need to route 192 addresses on the 172 network from the DHCP router to the 172 IP interface of the RV042. I think this will be easy enough to set up in each of the DHCP routers...
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Jan 19, 2012
I currently have a 2811 and a LAN setup via a sub-interface FA0/1.3 and using a HWIC-AP I have a sub-interface dot11radio 0/1.5. I have them setup to work and surf the inet great, but I have recently been overly annoyed with the fact that the wifi cannot access windows shares on desktops and visa versa with the laptops.
The trick to make this happen is currently they are not on the same subnet. I know the answer is bridging the interfaces but when I do this using the simple commands:
bridge 1 protocol ieee
interface x & y
bridge-group 1
Although what should be simple has failed (good thing I tftp'd my working config). Here is my current configuration.
interface FastEthernet0/1.30
encapsulation dot1Q 30
ip address 192.168.3.1 255.255.255.0
[Code].....
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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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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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Jan 30, 2012
Cisco 3725
IOS: (C3725-ADVENTERPRISEK9-M), Version 12.4(15)T9
Wireless Module NME
Brief current running config below:
interface FastEthernet0/0
description WAN LINK
bandwidth 8192
[Code].....
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Jan 20, 2012
I have a network where if an end user attaches an hub to the network, or rather one of those cheap unmanaged 8-port mini-switches and then plugs the two ends of the same cable into two ports of that mini-switch, all the network goes down. Loops are generated and many uplinks are shut down in err-disable state due to the loopback reason.
I know I could discourage the use of those mini-switches using port security. I even have NAC (cisco) deployed on the network, but there are cases where that mini-switches are allowed by the managment.In those cases, is not possible to exactly know wich hosts (mac addresses), and even how many of them will attach the network concurrently.As I know, they could even chain many mini-switch one to another. Of course, when even a single mini-switch is allowed on the network, it raises as a security hole.
Is there a way to allow the use of those devices without the risk of network outages? Some STP protection method? The best would be to have the Cisco access switch to get aware of the loop on its affected switchport (where the mini-switch is attached), immediately shutting down that port (to avoid loops on the network) and maybe sending an SNMP trap or a syslog message.
We are using Cisco Catalyst 2950 and 2960 for our access layer.
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May 28, 2012
We had one 877W Cisco Soho Router ,I am planing to do a Site-Site VPN connection .while i configuring the router i am facing issue in assighning IP address in BVI interface .It gave me error "integrated routing and bridging is not configured bvi" .how can i resolve the issue .
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Dec 5, 2011
I know this is not a the preferred way to do it, but this just an interim network configuration until the Remote Site gets re-located and reconfigured. I'm trying to bridge and route traffic and hoping the community can offer a review of the sample configuration and/or some ideas to make this a reality.
Existing network is bridged across site-to-site private line (p-2-p) so 192.168.100.0/24 devices exist at both locations. In order to reduce bandwidth consumption across the p-2-p, the 172.20.100.0/24 devices (end user PCs and new to the environemnt) will be routed out a local Internet connection which in turn reduces the p-2-p traffic to just private network traffic for the two networks. That same network requires routing through the 192.168.100.0/24 network in order to access the private WAN connected to the 3900 router with IP 192.168.100.1.
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Aug 13, 2012
I need to bridge 2 subinterfaces; F0/0.301 and F0/0.302 on a single router.The router interfaces with a Cisco 2960 (LAYER-2) switch.QUESTION is, does a Cisco router support bridging on subinterfaces on the same physical interface?Currently this is NOT operational Spaiing-tree on F0/0.301 and F0/0.302 is down, switch side is forwarding for both Vlans.show ip interface brief shows up/down status of F0/0.301, F0/0.301 and BVI6 is down/down?
:
SETUP:
bridge irb
!
!
Interface F0/0
no ip address
[code]....
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Jan 23, 2013
I have faced a problem with configuring Cisco 3750G series switches as Sever farm switches with redudance.
servers have 2NIC (1GBps) and both are bridged for redundant connections.In both switches all ports get green coluor except one port on Secondary SW. I saw some Spanning tree block port status on that switch.when i type Show cdp neghbor command on switch i can see other switch through a server connected port. Also Spannig tree root bridge election is occured through that port . Simply i need to configure both switches to pass traffic through there uplinks them selves.. but it seems like Secondry switch pass its traffic through primary switch ( i think according to STP ) usinginterconnection of bridge port of a server. [code]
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Jan 1, 2013
I have a Cisco 2801 with a 4 port Layer2 switch card installed (HWIC-4ESW).
How do I bridge Ethernet0/1 to the 4ESW so if you were to plug a computer into the 4ESW, it would be on the same network as Eth0/1? see my config below:
interface FastEthernet0/1
description Internal Interface
ip address 10.1.2.1 255.255.0.0
[Code].....
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Aug 27, 2007
We have a customer that is relocating thier headquarters. They have a temporary requirement to bridge multiple vlans or a router T3 link to the new location as they cannot change the IP subnets. Setup is 3560 switch connecting to a 3845 then T3 to remote 3845 and 3560. I need to bridge multiple VLANs. I have seen a good example on how to do it over sonet but I don't see how to translate that to an HDLC or Frame Relay encapsulation for the T3 Link.
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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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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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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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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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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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