0
votes
0answers
25 views

NAT Loopback stops working after a few days

I bought an Asus RT-AC68 and set it up as a DHCP (10.0.0.*) behind my FIOS Westell 9100em router (192.168.1.*). The FIOS Router is set to DMZ-mode, and points to the Asus RT-AC68. The FIOS router has ...
2
votes
2answers
53 views

How To Obtain IP from Public Wireless Router and Share via My Own Private Wireless Router? [duplicate]

I live in an apartment with a public wireless router which requires you to log in via a splash-screen page. I want to have my own private wireless router which logs into the public wireless router ...
0
votes
2answers
163 views

How to configure cable modem router to allow port forwarding to other connected router?

I recently got a new cable model that also acts as a router. I am not super thrilled about it, but this is what my provider gave me. My previous setup was using just a cable modem and my current WiFi ...
1
vote
1answer
74 views

How to communicate with devices that have the same IP address

I have a situation where I need to communicate via telnet to multiple devices that have the same IP address. The context is that I am writing a "final test" of devices in a manufacturing facility. ...
0
votes
0answers
36 views

Windows 7 Samba-Server Access via Routing

My Network is split up in 2 Sub-networks (network 1: 192.168.240.0/24 and network 2: 10.0.0.0/8). Network 2 has a Samba server on it. Both are connected via a router, network 2 is reachable from ...
-3
votes
2answers
75 views

How does Network Address Translation (NAT) works on a home router? [duplicate]

I have three computers connected to a router at home. I am sure my router has only one address. When the packet arrives from computer 1, the source IP is translated to the router IP address. Let's ...
0
votes
1answer
34 views

Linux nat with a secondary ip address

I want to setup nat on a server/router with a multiple public ip addresses (on different subnets and with different gateways, but the same physical ethernet interface), using address A for all local ...
0
votes
0answers
176 views

Why can't I access MySQL server with port forward rule in router?

This is my setup (the relevant parts, anyway): I have port forwarding rules in place (in the Linksys) for all the relevant ports and I've restarted that router multiple times, each time hoping that ...
0
votes
1answer
437 views

Multiple static WAN addresses on Asus RT-N66U?

I'm trying to configure multiple static IP addresses on my new Asus RT-N66U router, I had fiber installed yesterday so my old Thomson router won't work any more unfortunately. Previously I ran a ...
0
votes
1answer
30 views

Is it possible to turn off NAT on some cheap wireless router?

http://amzn.com/B001FWYGJS I have several TP-Link and other brands' wireless router like that in above amazon link. They seem in common to default to not allow user to turn off NAT when I want to ...
1
vote
1answer
17 views

Grabbing DHCP from DMZ?

Is it possible to grab DHCP from the DMZ of a router above? Essentially i want to have a setup like this. DMZ DHCP ------> Router (master router) | | ...
1
vote
3answers
33 views

Networking overview

I've been reading about networking hardware and network technologies recently, but I still can't quite link everything together. The route: Internet -> Modem -> Router -> Wireless Access Point ...
1
vote
2answers
150 views

Router Behind A Router

My condo building provides wifi. However they have a stupid terms of service window you have to accept before getting access. I wrote a script that can post automatically to that terms of service ...
0
votes
0answers
440 views

How to configure AirPort Extreme as the DHCP/DNS/NAT server where DSL modem/router does them?

I have an AirPort Extreme BS and a modem/router (ISP's NetMaster). I want to host my own websites from my Mac Mini with OS X Server. At the moment, ISP's router is the DHCP/DNS/NAT server, and AirPort ...
2
votes
1answer
142 views

NAT with IPv6 (Forced by ISP)

My ISP has recently decided that "high bandwidth clients" are now forced to use IPv6. While I can plug my laptop with Win7 directly into the modem and I have access, connecting routers or my ...
0
votes
1answer
148 views

Home router with NAT makes internet much slower than with bridged-IP

I have a BeWAN iBox A5100 wireless router and a 100 Mbps direct internet connection (non-DSL). When I use the bridged IP option, speedtest.net reports downlink speed as 85mbps which is quite OK. When ...
-1
votes
1answer
285 views

Disable NAT/bridge LAN to router's network

I'm at a third world country, connected to a neighborhood ISP (an ISP that serves neighboring neighborhoods) and they have some "value-added services" where they have FTP servers and Windows shares on ...
1
vote
0answers
38 views

How do I configure NAT to forward external requests?

I have three Raspberry Pi's connected to Linux machines and one computer (also a Linux machine) connected to a router which is connected to the Internet. My goal is to configure each Raspberry Pi and ...
1
vote
1answer
71 views

How do I configure NAT to forward external requests?

I have three Raspberry Pi's connected to Linux machines and one computer connected to a router which is connected to the Internet. My goal is to configure each Raspberry Pi so that they can ...
0
votes
0answers
65 views

Is it possible to communicate two networks without being dual nat?

I have two separate networks, at two different locations, each with there own internet, connected with a nanobridge(lan/lan). I have both networks set statically so that they aren't always crossing ...
0
votes
0answers
49 views

Cisco 861 Router forces one-to-one NAT

I have a cisco 861 router that only allows one-to-one NATs in order to access the Internet. I would like for computers to get an address via DHCP from this router, and be able to access the Internet ...
1
vote
3answers
462 views

Does NAT Map to the MAC Address, or to the Local IP?

I would like to set up NAT to put a service on internet using my Technicolor TG 582 router. I mention the specific router model just to have a reference, but the question goes in general as I may ...
0
votes
1answer
523 views

Route between two network interfaces with same IP address?

I would like to temporarily monitor/log/analyze what traffic is going in and out of my home. I would also like to keep my current router configuration unchanged. The router is a WiFi Home Router, so I ...
1
vote
1answer
63 views

Should I set up NAT for computer (Steam) online gaming?

I tried Googling this and it only resulted with results about Xbox. Should I set up any settings for NAT if I plan on nearly exclusively plan on gaming with my computer? I will still watch YouTube ...
0
votes
0answers
276 views

Port Forwarding to internal device without default gateway using iptables

I need to access externally (via Internet) one device in internal network which has no default gateway configured. Just IP and Mask. The standard iptable rule to accomplish the first part of this ...
0
votes
0answers
32 views

How to restrict RemotePort of ssh to particular ports?

Consider ssh -R '0.0.0.0:9090:localhost:5050' restricted@myvps.example.com A laptop is running a webserver on port 5050 The laptop is behind a router with NAT and port forwarding cannot be ...
0
votes
0answers
33 views

any software that can do port forwarding for me when issue with double nat present

I have modem/router from Comcast and per some diagnostic tools that Comcast modem/router is creating what is called "Double nat". I don't want to replace modem/router, don't want to put it in a bridge ...
0
votes
1answer
559 views

How to use DNS server behind NAT router

I have a local DNS server that I want to use, but it's behind a NAT router. For all other servers that are behind that router, I simply have an appropriate forwarding rule enabled in the router. ...
0
votes
2answers
93 views

Using my laptop as a router for a VM and embedded computer?

I've got a laptop running 64-bit Windows 7 Home Premium with Ubuntu 12.04LTS on VMWare Player. Connected via a crossover cable to the laptop is a Raspberry Pi, which uses my laptop's shared internet ...
0
votes
1answer
427 views

How to access a 3g IP camera from the outside?

I'm new here, but i've searched google a lot and this website but couldn't find anything. So here's the situation: I had no idea 3g devices could not be directly reachable from the outside. So I ...
1
vote
2answers
197 views

Enabling NAT loopback on HG556a router?

This is one of the standard issue vodafone routers. So i set up web-server on my laptop, and it is accessible to the internet now. However I need to be able to access it from my machine using the ...
0
votes
0answers
66 views

Difference between UPnP on router and Windows 7 PC

I have dd-wrt netgear router . Upnp service is disabled on it. I know I can also disable Upnp on my desktop machine by going in services.msc and disabling Upnp device host and SSDP. I know that if I ...
2
votes
1answer
173 views

Router/NAT and IP/TCP header checksum

We know that IP/TCP has checksum mechanism to guarantee communication reliability. However, when a IP/TCP packet is relayed by router or NAT, the IP header may be modified, if if the router/NAT ...
0
votes
1answer
36 views

How can I estimate the number of feasible mappings for a NAT router..?

If I have understood correctly, a device performing NAT cannot do more than : Total number of mappings = (Number of out-going Internet IP addresses) x (Number of Ports) Is this correct..?
2
votes
1answer
2k views

Does a Wi-Fi range extender create a separate network?

Would a Netgear range extender, for example WN2000RPTv2, create a separate network? I wasn't able to tell by looking at the user manual online. How do these things generally work? Does it just, as the ...
0
votes
2answers
139 views

How do I put a computer outside of a NAT, giving it a separate IP address?

I have two servers running behind my D-Link DIR-655 NAT router. Obviously, I cannot allow outside access to both of them simultaneously without putting them on different external ports, which I don't ...
0
votes
1answer
128 views

How to use comtrend router to create NAT and use same public IP for all LAN devices

I think the title says it all. I would like to use my Comtrend router in a way that all devices connected to the router (ethernet and WiFi) use the same public IP for going to the outside world. Is ...
5
votes
2answers
225 views

How to block a particular computer behind a NAT

I run a small hostel and have the following network configuration: Router1 (192.168.1.1) ─┬─ (192.168.1.2) Ubuntu Samba+SSH Server ├─ (192.168.1.X) Router 2 (192.168.2.1) ─┬─ ...
2
votes
2answers
344 views

How does Http server distinguish between computers behind a router

HTTP servers usually operate at port 80. Yet NAT routers as most are these days assign port to outgoing requests so they would know when request is returned that which computer connected to it, it's ...
0
votes
0answers
24 views

Can we capture the incoming packets of a TPLink router? [duplicate]

I wonder if we can capture the incoming packets of a TPLink WR340+ router. We want to check all packets from some specific IP. Is it possible? Steve Peng More information: ...
-1
votes
1answer
370 views

What is the difference between UDP hole punching and STUN? [closed]

As the title says, what is the difference between UDP hole punching and STUN? Or is it the same?
-1
votes
2answers
345 views

How can I allow computers on one router to access computers on another router?

I have a lousy 3801HGV modem/router that I have to use with AT&T UVerse. Due to AT&T issues, that router does not allow the ability to change DNS settings. I have added a LinkSys E1200 as a ...
0
votes
1answer
170 views

ISP 5 Device Limit … again

Sorry for the delay in responding to the suggestions that were posted in my first question (ISP 5 Device Limit - double NAT the solution?). I've been travelling and have not been able to try anything. ...
0
votes
1answer
84 views

About Wireless Router with 1:1 NAT Function

I have a old TP-Link Giga Router has 1:1 NAT Function, But does not have wifi. So to have wifi, I have two options: Buy wifi access point and connect to my current router Get a wifi router with 1:1 ...
2
votes
0answers
94 views

Turning Computer into Router,Network Address Translation encryption.?

I have windows seven and am using connectify. but when i try to connect to the interner through my ethernet court in my dorm room the comp0uter doesnt recognize the ethernet cord. I belive that the ...
1
vote
2answers
336 views

ISP 5 Device Limit - double NAT the solution?

I have asked this question in response to another question here ( 5 Max connections/devices to the internet? Is my ISP limiting me somehow? ), but thought I should start a thread to see if I can get ...
0
votes
0answers
102 views

CNet router - no field for private port

I'm trying to configure port forwarding on my CNet router for a locally hosted HTTP server. The model number of my router is CQR-981 and the firmware version is 1.0.43. The problem is that there's no ...
0
votes
2answers
826 views

Can I know what IP address my home network has? [duplicate]

Possible Duplicate: Fastest method to determine my PC's IP address (Windows) I'm not sure the title of my question is appropriate, and I'm not sure my question is going to be ...
0
votes
2answers
541 views

Weird slow uplink problems on my home Debian router and new fast connection

Yesterday I got a new and shiny VDSL2 connection home! It's specced at 100Mbit/10Mbit, and seems to deliver pretty close to the mark. Now, I have a Debian squeeze linux box acting as a home NAS and ...
1
vote
3answers
2k views

enabling loopback NAT

I have a Qwest Aciontec Q1000 modem/router combo, which does not support loopback. I run a webserver on the LAN, and when I'm on the LAN, I can only access it by its local IP 192.168.0.201. When I'm ...