-1
votes
0answers
10 views

What is the smallest size address block that can support the servers and routers in the perimeter network?

You are working as a network administrator for a company with 100 employees. Your company currently uses total of six public IP addresses for public routers and servers, all of which are hosted in a ...
0
votes
1answer
24 views

How to setup routing on a Windows 7 machine

I have a machine with 2 network interfaces. The network itself looks like this | access point | wi-fi | my machine | | 2-nd machine | | 192.168.1.1 | ...
0
votes
1answer
31 views

Need a way to use 2 networks to access the server in parallel sharing data traffic

I have a server connected to Internet via two networks - A microwave link and an ADSL Link. The server has been assigned static IP address in both network. Both both the networks are not reliable and ...
-1
votes
1answer
14 views

How to set some static and some dynamic IPs for different computers on 1 router/modem?

So I currently have 3 rasberry pi's stacked up connected to my network. My router has a built in modem (Actiontech V1000H) which has 4 LAN ports and 2 WAN ports? Not very sure, I dont know the ...
0
votes
0answers
6 views

what happens to my IP my inner VPN uses if my outer VPN channel breaks down?

I want to use a VPN tunnel within a VPN tunnel. So I establish a connection first, and then another one, which will already by routed via the first. The first is the outer one, the second the inner ...
1
vote
1answer
40 views

NAT in local IPv4 to extern IPv6

I have a cable router with an outgoing IPv6 address. In my lan I have IPv4 addresses. I want to access to my local server from internet. I am not familiar with IPv6, is there something like NAT? ...
1
vote
1answer
28 views

Peer-to-Peer communication in NLB cluster

I'm a system administrator at a library in Holland. Our personnel uses thin clients which are making a remote desktop session to our session servers. We have two session servers (Windows 2008 R2) ...
1
vote
1answer
24 views

add multiple static ip addresses to a server with systemd-networkd

We have a server with multiple IP adresses. Lately we migrated to systemd and we still need mutliple IPs on that server. With systemd-networkd we have some trouble finding a configuration example. so ...
-1
votes
1answer
22 views

How can my server announce its presence to everyone in the network [closed]

The situation is as follows. I want to have an application running on a server. All of the desktops in the company has to connect to it. But I do not want the IP address of the server to be hard coded ...
1
vote
0answers
23 views

DNS Server won't work! [Bind 9 on Debian 7; Virtualized CT through Proxmox]

First I'd like to thank everyone in advance for helping me - communities like this are exactly what amatuers like myself need when faced with perplexing issues. I've recently begun virtualizing ...
0
votes
2answers
33 views

DNS server won't work! [Bind9 running on Debian 7; virtualized through Proxmox 3.1]

First I'd like to thank everyone in advance for helping me - communities like this are exactly what amatuers like myself need when faced with perplexing issues. I've recently begun virtualizing ...
0
votes
1answer
59 views

Unable to access website via hostname, but able to access via IP

this is probably a newbie question, but I won't learn if I don't ask :) I have a ubuntu webserver that hosts my website, and I have a no-ip account that provides the hostname. I was able to access ...
0
votes
1answer
60 views

Giving a switch an IP Address so I can telnet into it

Right, so I've just reloaded my switch resetting the to complete default configuration. It's a Cisco Catalyst 3560. What I am trying to achieve is this: Giving the switch an IP Address, then telnet to ...
1
vote
1answer
39 views

Why can I access my server from my local network but I cannot access it remotely

I am currently having a weird issue with ubuntu 12.04 where I can access a my server locally but not externally my router has been set up correctly. I have 2 servers I am running at my house one is a ...
0
votes
0answers
18 views

Age of Empires II via TCP/IP Internet connection

I have made a lot of research about that, but still no luck. I'm behind a router so I got the specific ports forwaded. Once I create the game on AoF it shows my private IP, when I use GameRanger the ...
0
votes
1answer
22 views

By what route do packets travel if I use an external IP address for my home server?

Question If I connect to my home server via the domain name (i.e. via the external IP address), where do the packets travel? Do they travel to the home router, to my ISP router, and then back? ...
1
vote
1answer
45 views

Send files between two systems over LAN

I am able to send the files from one to another system connected on same router in a LAN. Now, I connected one more router to the first router to increase the range of wireless connectivity. When I ...
1
vote
0answers
19 views

Problems with internet connection with bridged connection

I am having a problem with my network, at the moment it is setup like this: Wireless Router - Laptop connected to Wifi - Pc connected to laptop via ethernet and bridged connection between WiFi and ...
1
vote
0answers
48 views

Can a cisco router execute a command itself? [migrated]

I'm experiencing a problem with my Cisco router 1900 Series, the router sometimes stop routing packets, and when i log into it and show the running-config i see no ip routing executing ip routing ...
0
votes
1answer
21 views

How do I use no-ip in broaband connection from service provider?

My computer is connected to a broadband line and I have no access to the admin page. The providers use same ip for all its users, and internal ip is dynamic. So I cannot use the admin page to ...
0
votes
2answers
53 views

IP filtering on a router

I enabled IP filtering on my Siemens ADSL SL2-141 router, and added a single rule blocking Google's homepage address 212.179.180.117: But, it seems to have no effect: I can still access this IP ...
0
votes
0answers
40 views

Reply from *VPN IP Address*: Destination host unreachable. Request timed out

I have a device attached to my Netgear router (recording device with an HDD). The IP is the first in the below image: I have a VPN IP set up for it. The getter command for it returns VPN IP ...
0
votes
1answer
44 views

how can i forward requests to my own IP address to a local IP address in my network (possibly using named)?

My setup I have a linux server running in my basement. I currently have my router looking to that server for DNS lookup, so I can use named to spoof a bunch of domain names to point to my local ...
0
votes
0answers
27 views

Very strange behavior when I try to connect using SSH. Why it works only if I copy and paste the IP address?

I am experiencing a very strange behavior. The situation is the following one: I connect to my RaspBerry Pi from my Ubuntu Linux 12.04 using SSH So I do the following operation: I go into my router ...
0
votes
1answer
114 views

Unable to connect to IP-camera

I have a Sinocam IP-camera which was connected to a Huawei b593 4g router, until a supposed computer engineer fiddled with the cameras settings and rendered it unusable. The camera ships with a static ...
0
votes
1answer
22 views

Regestry edited but still no IPForwarding

A simplified view of the current setup: Host A1: 192.168.1.2 Host A2: 192.168.2.2 Host B: 192.168.1.1, 192.168.2.1, 192.168.10.1 Device C: 192.168.10.2 a bit more detailed: Host B, A1 and A2 ...
0
votes
0answers
45 views

Force netsh/arp binding multicast IP addres with specific MAC address

I would like to setup an binding from an IP address to a MAC address using netsh. Goal is to bond an IP address which is a multicast address (224.224.x.y) to a given MAC address (which is NOT the ...
2
votes
3answers
46 views

Accessing subpage of website by IP

I'm writing a php application that uses CURL to scrape data off websites. But the time it takes to load a website with curl is very, very slow. A lot slower than the time it takes to load it in Chrome ...
3
votes
1answer
40 views

when describing an IPv6 subnet, what does the /n notation mean, where n = 64, 128, etc.?

I have seen IPv6 subnets described as /64 or /128, particularly by hosting companies. Does a /64 subnet mean there are 64 ipv6 addresses? Or 64bits worth of ipv6 addresses?
-1
votes
0answers
36 views

Computer selects DNS server instead of obtaining it automatically

So in the adapter setting when I click obtain Dns server address automatically, but after some time it reverts back to "use the following DNS server addresses" I want it to stay on Obtain DNS server ...
2
votes
2answers
68 views

How many hosts can an IPv4 /22 network handle at most?

This came up in a test question and I would like to know the real answer as the possible choices confuse me. How many hosts can a network handle at the most, based on the following address: ...
0
votes
1answer
29 views

How to eliminate the downtime when a dynamic IP address changes?

We currently have a number of client computers linked up to a database server (MS SQL 2008) for replication. The database server recognises the computers based on their Windows hostname. We are using ...
3
votes
2answers
569 views

Is there any way to abstract IP address during ssh?

I have a server which is in the middle of a forest. It is connected to the Internet via a microwave link and an ADSL link.Hence it has two different static IP addresses. Now if there is heavy rain, ...
1
vote
5answers
86 views

Setup shared internet connection on virtualbox with fixed IP

I am a web developer and until recently I have been using ubuntu as my OS. For many reasons, I have switched back to windows. I still want to keep my server on linux platform, so I setup my local ...
4
votes
3answers
79 views

What information does an IP address provide

For example, if I use a web app that saves my IP address, what can be inferred from it? What can be deduced from an IP address (and to what degree of certainty)? Is it always possible to determine a ...
2
votes
1answer
54 views

Can next hop address be same as destination address? [closed]

Like if host address is 100.0.0.1 and next hop address is 100.0.0.2 and destination ip address is also 100.0.0.2 Is this a valid use case? Any real life usage? <dest ip> ...
0
votes
2answers
86 views

Is it possible to map static IP to computer name instead of MAC address?

I have a number of computers with different computer names connected to the network. They currently hold a static IP address based on their MAC address. In other words, the static IP address is mapped ...
0
votes
2answers
55 views

How to find largest possible IPv4 network within specified range

Let's say, we are given a range of 192.168.101.64 - 192.168.102.128. What is the easiest way to find the largest possible IPv4 network within specified range, including network address, subnet mask ...
6
votes
1answer
396 views

Is computer name a hostname that I can point it to an IP?

On my Windows7, when I get into the properties of My Computer, I can see that my computer name is compname123. It seems that when I ping or connect (say remote access) to this computer from another ...
0
votes
1answer
49 views

CIDR < 5 not allowed

Problem Two NICs have been connected using an ethernet cable. The ethernet adapters have been configured as follows: NIC I IP: 8.0.0.1 Subnet mask: 248.0.0.0 NIC II IP: 8.0.0.2 Subnet mask: ...
1
vote
2answers
29 views

How does wlan interface receive 802.11 management frames?

From what I have read, hostapd (its used for creating a wifi access-point) creates a mon0.wlan0 interface to send and receive wifi management frames ...
4
votes
3answers
9k views

Setup static IP under Ubuntu 14.04 Trusty

How to setup static IP address under Ubuntu 14.04 Trusty? My setting is not working. What special about Ubuntu 14.04 Trusty is that I found it now using the "source-directory" keyword to source ...
0
votes
0answers
107 views

Unable to receive UDP broadcast packets on PPP connection

I am struggling for two days now with no success. I have two modems (do not ask, some special stuff), that uses dial up (PPP) connection. I tried this on windows XP and it works like a charm. I am ...
0
votes
0answers
20 views

Additional ip addresses along dhcp

On windows it seems possible to add arbitrary ip addresses on the interface, but as soon as you add one, the addresses obtained with DHCP is removed. Is it possible to set static ip addresses while ...
0
votes
5answers
448 views

If IP addresses are unique, why is it so many routers have the address 192.168.1.1?

I have a beginner's question. If the IP address is your identity on the Internet and it is unique. Then how come every router's IP address is 192.168.1.1 and PC1 is 192.168.1.2, PC2 is 192.168.1.3 and ...
0
votes
2answers
87 views

Is it possible to get different external IP Address for two different computers that connect to the same router? How?

I want to play an online game with my brother, but the game seems to prevent having two users use the same external IP Address at the same time. Is there any way to have two different external IP ...
5
votes
1answer
267 views

Is listening on a port on the localhost of a server the same as listening on that port of the server's public IP address?

I set up a free Amazon EC2 instance in order to use a Node app outside of my localhost environment. The instance is allocated a public IP address at launch, mine for example being 54.187.31.42. Does ...
0
votes
1answer
55 views

Why would an IP address fail, but the server (hardware and web server) and file system work?

Please forgive me if this is a duplicate, or better on network engineering SE. I have an account on BlueHost, and it provides me configuring multiple dedicated IP addresses and multiple SSL ...
3
votes
2answers
400 views

Wordy IP for internal devices

Hi I would like to have a ip to connect to devices on my network at home, however I don't want to have to remember lots of numbers instead I would like to have address that uses words. For example I ...
0
votes
0answers
49 views

How can I connect to a router through a switched ethernet network?

I have a computer and a router connected at different positions to a switched ethernet network. I want to connect them as if I had plugged my computer directly into the router. As I understand it, ...