0
votes
1answer
16 views

Using another server as a gateway

I have a server set up off site and I want to VPN it to another site. Problem is we can only have 2 VPN connections at once. Is there a way to configure one server to be connected by VPN and tell all ...
0
votes
0answers
19 views

Linux Networking: How to forward incoming IPv6 connections from the internet via a second IPv4 interface to other computers in a local network?

I have some kind of Debian server-gateway-zombie that has two network interfaces: eth0 and wlan0 (yeah, wlan0... I know.). eth0 is connected to a internet cable modem that assigns an IPv6 address to ...
0
votes
1answer
93 views

How to configure a Cisco ASA with a static IP from Comcast

I have a single static IP from Comcast. I have my modem/router set in a transparent bridge mode and I have a Cisco Adaptive Security Appliance (ASA) receiving the connections from the modem. The ASA ...
6
votes
3answers
1k views

Identify the device if it is hub, switch, router or gateway

If you are given two hosts which are connected via a blackbox which you dont know. How can you recognize that blackbox as hub, switch, router or gateway without using any additional device or host? ...
0
votes
3answers
346 views

Connecting 2 different subnet masks

I'm no network genius, but I have managed to get most things running. I get confused about subnets and gateways though. We have an office server connected to around 20 PC's that all communicate fine. ...
0
votes
1answer
75 views

Cannot route traffic between 2 networks

>C:\>netstat -r IPv4 Route Table =========================================================================== Active Routes: Network Destination Netmask Gateway Interface ...
0
votes
0answers
1k views

Windows 8.1: Force all traffic through VPN

I have applications running which need to access a URL through the VPN - NOT through the general internet. I want to be able to specify that all traffic MUST flow through the VPN, but I don't know ...
0
votes
1answer
498 views

Changing Gateway and DNS addresses with batch file

I'm having a little crisis every time I have to change the gateway in order to access different sites from my workplace. It's time consuming and I'd be really glad if someone provides me with a script ...
0
votes
1answer
38 views

Connect to internet through two gateways

I am developing a library to perform port forwarding in NAT devices. Using SSDP (de discovery process) I can see two different UPnP servers that implement WANIPConnection service type, one is my ADSL ...
0
votes
0answers
721 views

VLAN trunking with VirtualBox and managed switch

I am trying to set up a gateway server. Currently, I am running the thing in VirtualBox on my (strong enough) desktop PC with two network adapters. I configured a virtual machine with two network ...
0
votes
0answers
27 views

Same Rack Servers Ethernets Usage

I have manually installed CentOS on all three hadoop nodes There are 6 Ethernet interfaces in total for each box using lspci -v: 4 ports :from Ethernet controller: Broadcom Corporation NetXtreme II ...
0
votes
0answers
63 views

Disable default gateway on router

I have a router that I'm connecting to a laptop through ethernet, this router is acting as an access point for other devices. At the same time I'm connecting to the internet through wifi. I achieved ...
5
votes
1answer
1k views

Understanding Windows Routing Tables and Default Gateways

long-time reader, first-time poster! First, let me thank you all for reading this post, and for having such great answers to everyone's questions. I think this is the only time I've had to post ...
0
votes
2answers
123 views

How to know default gateway without dhcp

Sometimes i use some wifi, maybe in public places or hotels. Sometimes they do not have DHCP Server on they router, and they do not provide LAN IP Settings, and maybe they also DO NOT KNOW what LAN ...
0
votes
0answers
128 views

Network Instable Connection over LAN, Airport Express works

I just got a cubox-i4 but have a big problem with the LAN connection. It establishes and crashes again. The thing is, that if I connect it via LAN to an Airport Express (connected via wifi), the ...
0
votes
1answer
730 views

Actiontec MI424WR Gateway from Verizon - Frequent Hangs

I'm trying to understand the source of an event that is causing my Verizon provided Actiontec MI424WR gateway to hang. With the understanding, I would like to takes steps to ensure it does not happen ...
0
votes
0answers
95 views

Windows 7 can ping Switch, but Windows XP can't

Maybe this question has already been asked, but I can't seem to find it by using the search. I got a little network where I've got my default gateway on 10.0.0.1 with a switch built in. Then there is ...
0
votes
0answers
90 views

Close open ports for Actiontec MI424WR gateway

I've got internet service from Verizon. They issue an Actiontec MI424WR gateway. The gateway has a number of active listening ports that I can't seem to control. The ports include 4567, 53145, ...
0
votes
2answers
1k views

Default gateway 0.0.0.0 on-link

My laptop's NIC went bad and I had to start using a USB Ethernet adapter. When I start up the computer, or even simply unplug and plug in the adapter, it gets two default gateways which show up in ...
2
votes
1answer
554 views

Determine Default Gateway with Wired IPv6 address on Mac OSX

I am trying to create a dual network connection via Wireless and ethernet. The wifi connection runs my internet and the ethernet connection is connected to router which is connected to a NAS. I've had ...
1
vote
1answer
417 views

Router Setup requires my IP Address, DNS Server, and Gateway?

So I am used to setting up a new router being nearly a plug and play affair. This time however my new Rosewill L600N router refuses to give me access to the internet. I ran their auto-setup wizard to ...
0
votes
1answer
91 views

Why can I only view certain devices if I am using the 192.168.2.1 gateway

I have a kind of weird problem. Every device we have at work printers, servers, etc. Exist on the 192.168.1.0 network. We have some remote devices that are an extension of our network and they ...
2
votes
0answers
188 views

Detect network clients connect and disconnect

I have a linux gateway/server, which sharing PPPoE internet connection between network users. Seeking for a proper way to detect when network clients are connected to and disconnected from the ...
0
votes
1answer
1k views

debian gateway using iptables

I am having problems setting up a debian gateway server. My goal: Having eth1 the WAN interface. Having eth0 the LAN interface. Allow both ports 22 (SSH) and 80 (HTTP) accessed from the outside ...
2
votes
1answer
6k views

Setting multiple gateway for internet connection

In our office we have windows xp and 8 pc connected in network.We are using about 4 internet connections. But in pc only one default gateway is set.But if one internet connection is failed then ...
1
vote
1answer
3k views

Find out dhcp assigned gateway and dns settings in Linux (CentOS)

How to find the gateway and DNS IPs in a DHCP configured network in CentOS? I'm using CentOS installed in vmware using NAT connection and I want to make the ip static.
0
votes
2answers
170 views

Using same gateway on all workstations, but two workstations have no outside access [closed]

I have 11 computers, all of which should be using the same gateway to reach out to the internet and also to resolve for primary DNS. 9 of the 11 machines have no issue, but two of the machines will ...
1
vote
1answer
1k views

Multiple default gateways warning

I'm a little out of my depth on this problem here. I'm getting the warning about multiple default gateways. I'm not understanding where the multiple gateways is coming from. I've gathered the ...
0
votes
1answer
2k views

How to configure Gateway as Proxy Server

In my office environment, my machine is configured with an IP address, Subnet Mask and a Default Gateway. The Default Gateway does not allow internet connectivity but is configured to provide us with ...
2
votes
3answers
4k views

Why there is only one Default Gateway?

I am novice in networking trying to figure how multiple network interfaces work. My doubt is when there are two or more NIC's on a machine, what is the meaning of default gateway present in the ...
0
votes
1answer
71 views

Subnets and gateways

I have a doubt with subnets and their gateways. For example assume I have four subnets using a mask of 255.255.255.192: A) 192.168.1.0 B) 192.168.1.64 C) 192.168.1.128 D) 192.168.1.192 If the ...
0
votes
1answer
111 views

Network communication slowdown after setting gateway on linux

We have two computers in local network, which need to communicate via TCP/IP. Communication is working regularly until we set up the gateway; TCP communication is much slower (takes 10-20 seconds for ...
0
votes
1answer
1k views

Windows 8: cannot set default gateway anymore (with hyper-v setup) for vEthernet

I set up Hyper-V some time ago. Recently, on the host, the network has stopped working, even though on the guest it is still working (both using static network settings over LAN). After checking the ...
0
votes
1answer
175 views

Client Login before accessing the internet

I wanted to create an internet gateway server where the client connecting to my network must enter a username and password, where the server checks if username and password is correct before they can ...
1
vote
2answers
279 views

If localhost is called 'localhost', why is the gateway not called 'gateway'? [closed]

If you run server services in your computer, it is very easy to configure the same computer to use it: just point the client to localhost. Now the gateway often runs your DHCP, DNS, proxy, firewall, ...
0
votes
1answer
444 views

I have Internet acess without default gateway IP. Strange for me

Every time I want to connect to a new machine I am allowed to connect(wire) to the internet the next day. Once connected I can disconnect for hours and I get the internet again. The router is set to ...
1
vote
1answer
470 views

Can a subnet has more than one gateway?

I am new to networking while reading Network+ Guide Networks books, I came into Subnets but, nowhere they mentioned how many gateways a subnet can have. For example for 192.168.1.0/24 the gateway is ...
1
vote
0answers
40 views

Make a server ( other than the router ) to be the default gateway for a subnet

I am trying to make a server ( lets call it server_A) which is different from the router to be the gateway for a subnet. Why do I want this ? I want to host a loadbalancer on server_A using LVS-NAT, ...
1
vote
1answer
308 views

How do I chain gateways on my LAN?

I installed m0n0wall in a virtualized environment, I have 10 PCs connected to a router ( 192.168.1.0/24) which connect them to the internet through PPPoE, the problem is that this router does not have ...
2
votes
3answers
231 views

Redirect unregistered users to the site on local machine

I have a server 192.168.0.3 (SERVER). Running Ubuntu Server + DHCP server + Apache; The router 192.168.0.1 (ROUTER) (I haven't access to it); I have a web-application on SERVER for registration users ...
2
votes
1answer
1k views

Gateway on a virtual network interface used by LXC guests

I'm currently having some problems with configuring a gateway for a virtual network interface. Here is what I've done : I created a virtual network interface : # brctl addbr lxc0 # brctl setfd lxc0 ...
1
vote
2answers
4k views

Linux route add between static LAN and Wifi Gateway

I have two local machines connected to each other via wired ethernet and one of those machines is also connected to a wifi network which provides internet access. A pseudo-graphical representation ...
1
vote
0answers
2k views

how to create virtual network interface with different gateway

I have 2 routers and 2 different internet connections. I want to send http traffic to router 1 and everything else to router 2. Is there something that will let me set gateway per application ?. ...
3
votes
1answer
225 views

Using a Ubuntu AWS instance as tunnel for RDP to simulate bandwidth

I have a bunch of windows instances on EC2 which I can connect to using RDP. I want to test the performance of RDP under various bandwidth and latency conditions. I know about thetc qdisc tool which ...
-1
votes
2answers
231 views

Gateway in star topology

Imagine a network consisting of three computers all of which connecting to a switch. And we need to manually fill routing table in one of them. The gateway column in routing table must contain the ...
2
votes
2answers
759 views

Iptables port mapping from two PCs to one

We have 3 PCs, two of it are connected to internet (both of it have 2 NIC) PC1: eth0 - 1.0.0.1 (external IP) eth1 - 172.16.0.1 (internal IP) PC2: eth0 - 1.0.0.2 (external IP) eth1 - 172.16.0.2 ...
2
votes
1answer
1k views

Two DHCP interfaces asigned to two default gateways to OS

I have a Ubuntu box that has two networking interfaces (eth0 and wlan0). They are both configured for DHCP in /etc/network/interfaces, but they both assign a default gateway: /etc/network/interfaces ...
0
votes
2answers
319 views

DHCPD (Slackware) - Disabling auto-generation of gateway as DNS server

Good day, I am using a Linux workstation on Slackware 13.37. One "problem" I have had to deal with ever since 11.0 is the following: DNS servers are queried and determined at startup by DHCP ...
0
votes
1answer
47 views

NetID set as the Gateway for a route

After establishing a pptp VPN connection I checked out the routing table and found out that there are two default routes first one defined on the eth0 interface and the other on defined on ppp0 ... ...
0
votes
3answers
1k views

Access my router's gateway network?

I have 2 routers in my place. Main Router (Connected to the Internet) - 192.168.1.1 Secondery Router (Connected to the Main Router) - 192.168.0.1 I have a Network Storage Device and few Shared ...