LAN, short for Local Area Network, is a network that connects multiple devices in a limited geographical area, such as a room, an apartment or a building. Currently, most LANs are based on Wi-Fi or Ethernet transmission.
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2answers
25 views
Configure multiple lan interfaces for same subnet on sonicwall
We have a sonicwall 2400, Is there any way to assign multiple interfaces to the same lan subnet? Basically, we would like to have X1 for the wan and X0, X2, X3 and X4 connected to 4 devices that would ...
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0answers
21 views
peer-based distributed file sharing on windows xp/7 local network [closed]
In my office, i currently manage 10+ windows xp/7 computers, each having ~500gb space (with 20-30% space usage on average). I am interested in utilizing those "extra" space to build some kind of ...
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1answer
33 views
can netgear RP614 be configured to enable promisc listening? [closed]
can I confugure NetGear RP614 to be able to receive all packets (packets from and to all machines on my LAN) and inspect them in Wireshark?
I enabled promisc on eth0 and in Wireshark but still can ...
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0answers
13 views
How to performance QoS on each single host in LAN based on IP
I'm wondering if there's a way/software I can enable bandwidth control on both inbound/outbound LAN traffic between each connected host and the router?
Currently I have a CentOS box running as a ...
1
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1answer
43 views
How to split LAN into two separate LANs using same internet connection
I have a router ZyXEL P-660HN-T3A and Switch ZyXEL GS1100-24 and I need to separate 2 ports on switch so clients connected to this ports can't see/access the others. I need the same thing to do with ...
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1answer
33 views
TCP/IP routing: accessing a LAN device with wrong static IP configuration
I forgot to change the static IP of a network device before moving it from my datacenter network to my home LAN. Since it isn't configured properly for my LAN network, I'm not sure how to access it.
...
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0answers
40 views
Why is my local ip address not starting with 192.168…? [closed]
I am connected with my university network and we have ip addresses starting with 10.10.... My question is, since our college network is a local area network, why dont we have ip addresses starting ...
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2answers
65 views
Web server not accessible to other systems on LAN
I'm trying to test a web site being served via nginx on my Mac. Things work just fine accessing the server on that same Mac, but when I try to get to it from a couple of Windows machines on the same ...
1
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0answers
28 views
Pass / forward 8080 port on server with masquerade
There is server machine wich is connected to ISP only with modem, no router. Server got apache on 80port. Now on other ethernet card in my server i have cable going to my router, router serve ...
1
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1answer
56 views
VLAN over three switches
We are connecting three offices via fiber optics. For each office we have one switch. In each office there will be one PC which has to be isolated in a VLAN A. There will be other PCs but those three ...
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1answer
27 views
Wake on Lan (WOL) stopped working
My wake on lan stopped working for no apaprent reason.
I installed wireshark and from another machine sent a magic packet to the target computer and I could see the packet was coming through. ...
1
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1answer
68 views
What am I doing wrong with this cat 6 patch panel wiring?
top number is transmitter
bottom number is remote terminator
12345678
36145278
is this because I could be mixing T568A and T568B wiring? how do I know if my patch cord is A or B? Do I just look at ...
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2answers
71 views
How to connect 2 Physical Networks with 2 Separate WAN together
My customer has two small companies in two separate buildings that have merged. The buildings are 30ft apart, so they ran an outdoor, buried CAT6 cable between them. They want to use the main ...
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3answers
47 views
External hard drive connected to lan [closed]
Is there a way to connect an external driver to my lan network (direct connection, without having any PC opened) and then access it from any device from lan? Like a network drive?
If its not ...
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1answer
33 views
How to add access to a host via symbolic name?
From one LAN I have access to the host 10.0.0.*** via symbolic name say a007, which was added to my /etc/hosts as:
10.0.0.*/*/* a007
But now I need to use this host as a007 from another LAN and I ...
1
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3answers
88 views
Create a /16 (255.255.0.0) local network
My bare knuckles networking understanding led me to believe that if I set an IP address of, for example, 10.0.2.25 with netmask 255.255.0.0 on a machine, it should see all hosts in the subnet ...
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1answer
154 views
Broke my company's network, how do I get it set back up? [closed]
My dad moved his office. The new location will only have WiFi access, but he still needs his server setup and the other machines connected to it.
The server (don't laugh) is an old Windows NT 4.0. ...
1
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1answer
34 views
Connecting to NAS boxes/printer located on local private WAN network
The set up
Here's a diagram of my network:
# Building 1 (Main)
---------
| MODEM |
--|------
|
|-[WIRED]
|
--|------------------------------------------
| DrayTek Vigor 2130N ...
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1answer
86 views
how to connect two different lans [closed]
I have in my office two different LANS with two different ISP. Lan A is faster than Lan B.
We want to share files and printers and everything as if it was only one LAN, the thing is that we don't ...
0
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1answer
81 views
Is Cisco Misquoting the Nexus 7000 specs [closed]
Looking at the following image:
http://blogs.cisco.com/wp-content/uploads/7000-family-550x358.png
Cisco is quoting the 7009 as having a 10GigE density of 336 and a backplane bandwidth of 550G/slot. ...
2
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1answer
53 views
Is a Fabric Module required for a Nexus 7009, or is it part of the Chassis?
I noticed that Cisco lists separate fabric modules for the Nexus 7009 switch. If I were to simply buy the Nexus 7009 Chassis (N7K-7009), what would I need at minimum? I just want to confirm, but I ...
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0answers
31 views
Effects of IW10 (initcwnd 10 initrwnd 10) on high speed LAN based TCP/IP communications?
What does changing the number of packets sent during the initial congestion window to 10 have on LAN connections?
Via:
ip route change default via GATEWAY dev INTERFACE initcwnd 10 initrwnd 10
Is ...
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1answer
33 views
Connect to a higher level gateway? [closed]
Currently the network in our building is setting up as:
PPPoE Router (192.168.1.1) -> A private DHCP/Router (10.0.0.1) -> My computer
Are there anyway posible that My Computer can access the higher ...
2
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1answer
50 views
May a low DRAM router be a bottleneck for a LAN?
I need to install a LAN that is a hybrid between a star LAN and a cascade LAN. There are two levels (I mean that the maximum number of link to go from the central switch to the most external switch is ...
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1answer
81 views
Multiple WAN to single LAN
I have a block of static external IPs and I'm trying to route them to a single internal server. We have a Sonicwall TZ-210; trying to set this up results in no outbound traffic and an error warning ...
2
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1answer
50 views
How to bind stackable switches
Let's say that I have a non modular switch, and that in future I might need to expand my LAN, connecting it to more switches. If I take stackable switches, physically how do I bind them? May I take a ...
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1answer
19 views
Adding some content to html response
I would like to know is it possible to achieve with (my guess is) a proxy server to add some content to users response?
Let's say I would like to add a div to each html document which is being ...
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4answers
54 views
LAN Load Balancing Router
Everything I find is for WAN load balancing. Our customer wants to have a setup where two servers are connected to the same router. To the outside network devices connected to the router, they think ...
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0answers
56 views
Smoothwall’s DHCP unavailable
We have a LAN connected through a VSAT satellite that was brought down by a storm a few days ago. We’re thinking it was a short and the lightning arrester didn’t work – a piece on the VSAT stopped ...
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3answers
50 views
How to find to which network i'm actually connected [closed]
In our office we have both LAN and Wi-Fi network. say i have now connected to both LAN and WiFi. now when i give ipconfig. It is showing both LAN IP and also WiFi IP. I want to know, to which network ...
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0answers
113 views
Remote Access Problems with DRAC 5 on Dell PowerEdge 1950
Today I received my first Dell PowerEdge 1950 server with a DRAC 5 card. On my local network I have static configurations on my Linux systems using this for instance:
iface eth0 inet static
...
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2answers
70 views
How to test a LAN port for failure? [closed]
Been having major network issues for over a year now. I keep getting dropped network connectivity on a computer on the network. Its running XP and the LAN port is directly on the motherboard. I ...
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2answers
83 views
How to implement firewall in LAN(out of users' os) like EC2 have done?
In aws ec2, users can set up security groups which works like a firewall, usually, firewall work behind a gateway/nat server, however, I found that firewall in EC2 works in the LAN, too.
For example, ...
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0answers
80 views
Clients suddenly stop receiving data from the network
I'm facing a connection problem on a small network:
10 clients connected to a Netgear WNR612v2 WiFi router with DHCP disabled;
4 clients connected to a Linksys WRT160NL router with DHCP active and ...
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1answer
89 views
MySQL over wireless LAN is Too slow [closed]
I have developed software using vbnet 2010 and it works on localhost with Mysql5.5 and MySQL Workbench and all things are fine with out problem.
Now I want to try my software over LAN:
I install ...
1
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2answers
210 views
How can I configure my network to allow bi-directional traffic between two lans?
Here's my current setup: (and it may require reworking):
2 LAN networks - 192.168.41.0, 192.168.21.0
2 Public IP's (they are assigned to us by specifying MAC Addresses -
not subnetted) ...
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4answers
105 views
local SSH works when using “localhost”, but not using IP address
I'm having difficulty setting up ssh for a laptop on my LAN. I think I have done all the obvious things. On the server:
ps -A | grep sshd
18278 ? 00:00:00 sshd
and
ss -lnp
shows sshd ...
8
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3answers
268 views
Migrate raw disk image over LAN
Here is my situation:
Two dedicated servers in the same datacenter with gigabit ethernet between them.
Both dedicated servers booted into a rescue environment based on Debian Squeeze with extra ...
0
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2answers
102 views
how can I block all traffic that is coming to and from an IP address using iptables
I am trying to block all traffic that is both coming and going to an internal IP address (this server acts as a router for the network). so far I have tried the following: iptables -A INPUT -s ...
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1answer
138 views
How to set up office LAN and block one segment from internet access? [closed]
My employer has asked me to advise on setting up a small network in a new office in another country.
Unfortunately networking is not my speciality; my experience is limited mainly to kludging things ...
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2answers
69 views
OpenVPN as a service, client physically connected to network
I've got OpenVPN running as a service on a client's computer, however oftentimes he will be in the office and able to physically connect to the network. The issue I have with this, is that even when ...
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0answers
26 views
Requiring all network traffic go through VPN in Windows 7
I have a VPN service that I can can connect to through Network and Sharing Center manually and this works great, but sometimes I forget to enable it or it goes down and then my traffic is not tunneled ...
-1
votes
1answer
65 views
Any hardware recommendations or suggested changes for our server cluster design? [closed]
My primary role is as a software engineer, but I want to put forth some recommendations to our team regarding changes to our server cluster. With our current setup, each server only has one NIC active ...
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2answers
108 views
How do I send hostname info to Airport DNS from Linux? [closed]
My router is an Airport Extreme. I can easily ssh to other OS X machines via hostname.local (example1.local, exmaple2.local, etc) once it is set in in the preferences.
But despite the fact that my ...
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1answer
101 views
Dual-port server acting as router, but LAN can't see WAN
Using Windows Server 2012 Essentials.
I've got two ethernet ports. One is connected to a router which is connected to the internet. This portion of the network is fine. The router runs DHCP on the ...
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2answers
95 views
What do I request from the LAN upgrade contractor to avoid simple oversights? [closed]
The company for which I work have allowed me to hire a LAN wiring contractor to completely overhaul the building LAN. Currently there are old 10MBit Ethernet cables and switches running and I ...
0
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2answers
113 views
LAN users not listed over wifi
I recently created a small office network with 10+ computers. 9 of them are desktop computers so I used Ethernet cable to connect them.. The computers are connected to a switch via a patch panel and ...
1
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1answer
246 views
Subversion server behind firewall and Apache reverse proxy exhibits intermittent hanging
Here's my situation:
1) DMZ: I have an self-signed SSL Cert on an Apache server (our bastion host) configured to run as a reverse proxy for 7 other LAN servers (subversion, ldap, jenkins, ...
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1answer
86 views
ubuntu set up as router lan pc can ping one direction and get shares but other direction can not ping or connect shares
I have ubuntu router questions.
you can see tracert can complete on way but not other way.
How to make that work?
(a better visual layout exists here)
...
1
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1answer
142 views
2 nic cards in ubuntu PC, one to router, one to win7 pc, make connected pc on router talk to win7 on 2nd nic
There are 2 win7 pc, 2 100 mb/s routers and 1 ubuntu 12.04 pc.
I scanned a diagram of the Lan setup with IP's
...
