Networking :: Subnetting Network DGND3700 For Increasing Performance

Apr 10, 2012

I wanna subnet my Network to increased performanced but im alil confused hereWhen looking at my ROUTER STATUS this is what i have.

INTERNET PORT
IP Address XX.XX.XXX.XX
gateway ip XX.XX.X.X
XX.XXX.XXX.XX
LAN PORT
ip address xxx.xxx.x.x

Which one of this ip addresses do i have to subbnet?,my router is a ,NETGEAR N600 Wireless Dual Band Gigabit ADSL2+ Modem Router DGND3700 Wireless router - 4-port switch (integrated) - EN, Fast EN, Gigabit EN, IEEE 802.11b, IEEE 802.11a, IEEE 802.11g, IEEE 802.11n.

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Networking :: WRT54G Very Slow Performance

Feb 24, 2012

I have a shitty WRT54G right now, and its slow as heck. I was thinking of getting this:

URLS ,I know the later is a modem and a router as opposed to just a router in the first link.I have comcast, I hear it uses Docsis 3.0 right? Mine is a 2.0 modem right now.

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Subnetting - How To Calculate Network Address

Jan 11, 2012

Given the IP address of 172.16.10.22 and the network mask of 255.255.255.240... answer the following:

What is the network address?

What is the broadcast address?

What is the valid host IP range?

What I have done so far:

Part 1 - Broadcast address
172.16.10.22 - 10101100.00010000.00001010.00010110
255.255.255.240 - 11111111.11111111.11111111.11110000

Researching different ways to find the Broadcast address I took the binary IP address and replaced all numbers with 1's for the host bits identified in the subnet mask and came up with:

172.16.10.31 - 10101100.00010000.00001010.00011111

Is that the correct Broadcast address?

Part 2 - Network address

I am not sure what is meant by the network address and all my research has come up with either MAC addresses (obviously wrong) or CIDR notation...How do I calculate the network address?

Part 3 - List of valid IP's

Using the same address 172.16.10.22/28 I did the following:

28 is closest to 32 (block wise) so 32 - 28 = 4... 2 ^ 4 = 16 (block size)

IP address listing:
172.16.0.0
172.16.16.0
172.16.32.0
172.16.48.0
172.16.64.0
and so on...

The IP address in question is 172.16.10.22 and falls in the 172.16.0.0 - 172.16.15.0 block...

Is this the correct list of valid IPs?

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Home Network :: Subnetting A Single Static Ip?

Jun 18, 2012

I am in the process of acquiring a static ip address from my isp time Warner. I only want to pay for a single static, but I have a number of machines I want to put on the internet, a web server and a e-mail-server. Using a cisco router, a Cisco Rv 120w. Can I assign the static ip address my isp gave me to the Rv 120w and then crate a vlan to assign addresses to various computers. Or is this something my ISP does. I get the impression from the tech guy at Time Warner that this is something they do.

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Jan 30, 2013

In the bottom floor there are three computers, an iMac computer that receives an average wireless Internet signal, desktop computer and a laptop.I want to take care of the desktop computer and buy a network card, the next card:TP-Link TL-WN951NNow it has three antennas, each of its reception range is 2 dbiI should buy three of the 10 dbi antennas and connect them to the network card?It will give a good solution strong wireless signal and good speed?

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Broadband :: Bytes Not Increasing In Network

Jun 7, 2012

This has been happening of late. When i check the status of my Internet Connection I notice that the sent bytes will be more than 200 and received bytes will be low as 2 to 4

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Increasing Bandwidth For Internal Network Not Internet?

Dec 4, 2012

ok i have setup a subnet on my uncles network on which i am running a domain with server 2008. i am using a dlink di 624 router and wanted to know if i upgraded to a 300mbps router would this increase the bandwidth within my network?i know i am limited to what i am receiving from my uncle who is also limited to what he is receiving from the ISP. im not worried about internet speed. i want to increase client to server speed for both lan and wireless.

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Cisco Firewall :: ASA 5505 / DNS Not Resolving To New Machines On Network After Increasing DHCP?

Aug 14, 2012

I am having a very strange issue with connecting new machines to reach the internet.We have a ASA 5505 which the previous tech configured the DHCP pool to 192.168.1.60 - 192.168.1.110
 
We ended up reaching our limit which I changed it to: 192.168.1.60 - 192.168.187
 
Then next day when I arrived to work, our DC was hung from windows updates. Once we got everything back up, every computer currently on the network can reach the internet/VPN tunnels etc. So (continuing with my day) I created a new server in a VM (Hyper-V)I can ping everything internally (even the router) 192.168.1.1, but I cannot resolve DNS. I have configured a static IP, tried Dynamic IP.I have looked for any ACL indicating to block outside the range of the old DHCP pool but no luck.On my local maching I can ping the DNS addresses, but just not on the new server.

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Netgear DGND3700 - Switching To Non Compatibility

Oct 18, 2012

Running a small office and my Internet comes in via a Netgear DGND3700 wireless modem router. It has to be in a seperate room to the office so I have run a network cable to connect. I have a Brother network printer and 2 Macs which need to be on the same network. I own a small netgear FS105 but when I put it on the end of the ethernet cable from the router and connect everything into the switch nothing can get IP addresses from the router, which has DCHP on.If I plug the printer direct, it works and the macs work wirelessly.

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Cannot Connect To Netgear DGND3700 Wirelessly

May 5, 2012

I just bought a DGND3700, but can't get wifi working. It connects to the internet fine, but devices can only connect via ethernet cable. I can see the SSIDs - both 2.4GHz and 5GHz - but whenever I try to connect, after entering the password I'm told that "Windows was unable to connect to (SSID)". Of course, the Windows troubleshooter, but no luck. This problem happens across all my PCs and phones. The router has the latest firmware version. All blocking, access control, etc. settings are turned off.

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Any VPN Services That Can Connect To Netgear DGND3700 Router?

Jan 29, 2013

I'm looking to add a VPN service, and would prefer to have it right at the router rather then at the individual devices. With the ADSL Netgrear N600 DGND3700 router, any VPN that will interface with my router? I know many VPN's work with DD-WRT, but what about my stock FW on the router?

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Subnetting A Class C Ip Address?

Dec 13, 2011

I am looking a old exercise I did last year about subnetting and I am wondering if is possible to subnet:

198.18.9.1 /22

I wrote down, last year, that:

16 bit are assigned to network
6 to subnet
10 to hosts

when actually I see a class C ip address with 10 bit assigned to hosts. So, how many bit do I have for network, subnet and hosts?

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Understanding Subnetting And Classes?

Dec 8, 2012

I am currently trying to understand Subnetting via CCNA. My progress is going well,I understand the class below:

Class A 0-127 Max IP 2^24 = 16777216
Class B 128-191 Max IP 2^16 = 65536
Class C 192-223 Max IP 2^8 = 256

However I have seen an example from an ip calculator website, and noticed this :

Address: 192.168.1.0 11000000.10101000 .00000001.00000000
Netmask: 255.255.0.0 = 16 11111111.11111111 .00000000.00000000
Wildcard: 0.0.255.255 00000000.00000000 .11111111.11111111
=>
Network: 192.168.0.0/16 11000000.10101000 .00000000.00000000 (Class C) - I would have thought this would have been Class B?
Broadcast: 192.168.255.255 11000000.10101000 .11111111.11111111
HostMin: 192.168.0.1 11000000.10101000 .00000000.00000001
HostMax: 192.168.255.254 11000000.10101000 .11111111.11111110
Hosts/Net: 65534 (Private Internet)

Is this an invalid IP/masks as the max hosts is 65534 (which should be class B?). If so shouldnt the IP address range from 128-191- eg 172.16 (I know that CIDR is the amount of 1's. ).What calculates the class is it the netmask or the range of the first octet?

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Windows 8 Can't Connect To Netgear N600 - DGND3700 Router

Feb 17, 2013

My son just got an Asus Laptop from his school. It is running Windows 8.It connects to other peoples WIFI, just not my home WIFI.When he got it home he found the network, entered the password and nothing happened. Now it can't even find the network.There is nothing wrong with the router as every other device connects fine.The router is a Netgear n600 - DGND3700?

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Replace Speedtouch 330 Modem With Netgear Router Dgnd3700?

Dec 16, 2012

install a new N600 Wireless Dual Band Gigabit ADSL2+ Modem Router - Model DGND3700, to replace a Thompson Speedtouch USB Modem.

PC Windows XP Home Premium Media addition - Main PC X2 Laptops Win7 & Vista - fully working on wireless no issues.

I have managed to get two laptops working wirelessly with no problems, my main problem is the master pc needs to be able to use this router as well, but I cannot get it to work via the Ethernet cable!! I can get to to the Routers config page, I have done the following:

unplugged and removed the speedtouch modem, the old dial up connection is still available on the pc along with the speedtouch software and driver, I left this in place just in case the pc needs to revert back to the speedtouch modem, if I am unable to resolve this issue.

I have set the ip address on the PC to static and input the relavent Subnet and Gateway I can ping the Routers address 192.168.0.1 even though I have reserved the PC's Mac address and IP Adress I am unable to get to the internet. I have tried setting up a new internet connection via windows wizard.

when i look into the nework connections section in windows the local area connection is 100mb and there seems to be another connection which looks like another internet connection this indicates I am connected however I still cannot get an actual google session running.

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Cisco :: Subnetting Directly Connected Networks?

Feb 29, 2012

Why isn't it possible to make following configuration:

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Cisco :: Subnetting According To Number Of Hosts VLSM

Jun 1, 2011

you can subnet to meet the number of networks required, or you can subnet to meet the number of hosts required. In which circumstances would you use either one? or are they both the same? am kinda confused.Is subnetting according to the number of hosts VLSM? and subnetting according to the number of networks required is not VLSM subnetting? Also I'm on CCNA 1 chapter 6, if the other CCNA 2, 3 and 4 has chapters explaining subnetting better cos It's totally confusing me atm.Also, is my understanding correct, when a company wants a LAN made, a network designer see's how many hosts they require in each of their LANS and then chooses an appropriate address class and subnets it? and to connect the LAN to the internet he implements NAT on the router that connects to the internet, and that router translates the internal addressing scheme that was created into a public registered IP address from an ISP? Also does he just make the address up? for example if he decides to use class C, he just picks any random number in the class C range and subnets it?

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Cisco Switching/Routing :: Subnetting On ASA 5505

Apr 5, 2012

we currently use the ASA 5505 router. We would like to create another subnet inside our LAN because we are running out of IP addresses.
 
current subnet info:
 
subnet:10.1.1.X
submark: 255.255.255.0
gateway: 10.1.1.251
 
we want to make another subnet, which we plan to use for all our network printers for now( other use in the future) PCs at 10.1.1.X will be able to print on the new subnet. the new subnet will be able to connect to the internet.
 
What's the best options we can do for the subneting? how can we configure the router? is possible to set another DHCP on the new subnet. we currently have one DHCP on the 10.1.1.X

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Netgear DGND3700 USB Storage - Unable To Edit Settings For Shared Folder?

Dec 13, 2011

Have just had a stab at using my Netgear DGND3700's USB drive sharing - I had a spare external HDD + I want to be able to access files on it both over the 'net and from local network. Both work fine, very easy to set up, however I am unable to edit settings for the shared folder, which means I am unable to password protect it.

I don't need a password for local sharing but obviously it isn't ideal to have files freely available on the Internet, have looked into troubleshooting but can't find any similar stories with Netgears.I click "edit" or "create network folder" and it loads for a second or two but just stays on the same page. There is only one option to select but I have tried clicking the radio button first anyway, then clicking edit, same result.

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Cisco Firewall :: ASA 106001 Error Most Likely Due To Interface Subnetting

Sep 16, 2012

I have a slew of 106001 messages coming into ASA log, from the outside interface. it appears like most of them are for standard traffic, such as TCP 80/443. i suspect these messages are from clients on the inside who have initiated connections to the internet, but then the client abruptly terminates application of something similar. Server side finally issues a close connection, reset or something else. Here is an example, with the ASA address being 1.1.1.195 (changed to protect the innocent ).
 
Another theory is that the NAT ip for clients is different than the actual interface IP, so that is behaving differently. For example, once the xlate times out, the IP used for the xlate is no longer active and any return packets to the interface would also error out - be refused. If the xlate was using the interface IP, that it would always respond in some way?
 
I can bump 106001 down to notification (5) or informational (6) level.

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Remote Network Performance Monitoring

Feb 2, 2011

I need to track and record all functionality, connectivity speeds and applications of a remote laptop. Here's the basic set up of my problem:We have 40 medical facilities in five Western States, each with up to 30+ pieces of hardware including thin clients, PCs, laptop computers and wall mounted touch screen kiosks operating on a variety of OS including primarily XP pro, then Linux and transitioning into Win 7.We have installed Aruba wireless network in each building on which our mobile medical cart laptops connect. Each facility has a different mix of primary and backup/failover ISP from DSL, Cable, T1 to Bonded T. All are at or exceed 22MB down, 5MB up save the T1s at their dedicated 1.5 and we monitor speeds and network stats trhough our gateway device. PfSense.All employees connect through an RDP (Remote Connection) to our hosting company in Atlanta, GA where the farm of about 28 servers reside hosting our medical, email and office applications.We regularly are contacted by nursing and clinical office staff complaining that "the network is slow". We review connection speeds, loads, ping times and confirm that there are no ISP Speed issues that are causing the "Slowness". However when we review exactly what the nurses mean by "slow" it invariably turns to how long it takes to log in to the RDP sessions and access then run their medical applications in the RDP. They often sit and wait for the RDP to load for five minutes or more and complain of waiting for their typing to catch up in the applications they work in.

We believe the slowness occurs once they are connected in the RDP and that their problems are occurring at the hosting company's facility, getting through their firewall, through profile management and server hardware/software but we can not prove this is the case because the hosting company always claims they see perfectly acceptable speeds and access on their side and we are locked out from access to monitor tehir environment. Changing hosting companies is probelmatic because they are specialised in our industry and leaving would be diffcult. I need some software that I can install on a few machines in a select few of our facilities that will track and record the actual user experience so that we can watch and review exactly what is happening, what the network stats look like and precisely where the user is experiencing "slowness".

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Feb 26, 2013

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Poor Network Performance On Belkin Router?

Nov 30, 2012

I run my virgin broadband through an old NTL modem and a Belkin router. I haveit all attached to a computer in my study along with a new 6TB Buffalo Nas drive. The computer has GIGABIT LAN. I use Belkin powerline units to relay the network around the house. In my lounge i have a blu ray player, AV amp and my sky box attached to the network via the Belkin powerline units and all run ok. This week i have added a Cambridge audio streamer but i am suffering now from a lot of dropouts and network failures escpecially when trying to stream music from my NAS. all seem to be set up correctly as per the manuals. I have spent a lot on this unit specificallly to stream my music so this is really important to get working correctly The powerline units can flash blue (fast ) or orange (slower) but i only see the orange light .My local dealer says i need to upgrade my Modem/Router and has suggested an ASUS RT-N66U which I understand is a modern 2.5/5ghz model . he says my system is overloaded

A few questions.

Is this a suitable modem for me to use on my Virgin cable broadband? (apparently there are two alternatives types of modem/router)
Is there a better alternative unit ?
Could there be another cause for my problems and if so how do i diagnose them ?

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Jun 13, 2011

I have a Cisco 881W router.  It has historically run IOS 12.4 (20.T3) without issue.  I recently upgraded the IOS to version 12.4 (24.T5).  Once I made that upgrade, my ability to fully throttle my downstream bandwidth became seriously limited and variable going from a steady 6Mbps to an unreliable 2-3Mbps.  No other changes were made to my environment.  The degredation in performance was so bad that my AppleTV would no longer stream Netflix or YouTube.I downgraded back to the original IOS 12.4 (20.T3) and the downstream bandwidth and variability issues disappeared.  As well, my ability to stream movies or videos with my AppleTV on Netflix or YouTube returned without issue.I wonder if upgrading to IOS 12.4.24.T5 enabled some new commands that I'm not catching or there is something else at play that I'm totally missing. 

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Jan 14, 2013

i built a mini NAS system with a Intel D945GSEJT mother board (atom cpu) -

1 x FSP 12V 5A 60W AC Adapter
1 x EPC-01 Case
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i have installed debian squeeze (headless shell only) on a 1gb pen drive that is readonly (using aufs)it its a great setup for me?i use it for file server, webserver (local only), SAN server etc...the only problem i have is that sometimes the drive access is slow when using iscsi from it, or coping files.on samba i get about 30MB/s NFS i get about 55MB/s using iperf i get max 61MB/s (but if i setup the server on it - 114MB/s can be transferred to it) is there any way to increase network performance on it? if you have this board what type of transfer speeds do you get?

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Dec 5, 2011

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May 2, 2012

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Jun 3, 2013

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Jun 20, 2012

I've recently changed my DSL connection to HSPA because of low speed of DSL connection (2000).

Anyway, I need to build up 5 Ghz networking at home but there is no dual band HSPA modem router on the market. I need a router which supports DLNA/UPnP for NAS Server. So, I have couple of solutions...

1- I can purchase dual-band Asus RT-N66U and use HSPA/UMTS stick to use this router as main router. I can do this because RT-N66U supports sticks via USB.

2- I can connect my HSPA modem to a dual-band router via LAN and by changing IP adresses I can use dual-band router again as a main modem router. This can be no problem via WAN but my modem has no WAN connection. Is this possible via LAN?

Or do you have any other solution how I can get my 5 Ghz netwroking at home using HSPA connection.

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Jul 12, 2011

My problem is that my XP network cannot access my Win7 server, but its not the same problem that has so many solutions around on the internet.Here is my situation:I have 2 networks in my office.

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Jun 25, 2012

What is the difference between networking and network programming? Is it the same? If no, then does networking involve programming using languages such as c++ and java? Im thinking of doing a networking course and I don't know basics in any computer languages such as C++, Java and stuff. Can the course be done w/o any knowledge of languages I mentioned above whatsoever?

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Mar 5, 2012

Plan a network to Connect 2 buildings 3 storey high with a distance of 500m between each building. Each floor is occupied by the Finance Department, Administration Department and Computing Department.the report should have the following items. Anything extra is encouraged.

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Jun 30, 2013

I am used to lan testing with QCheck and Passmark's Performance Test (Network Test). But recently I upgraded to a 10 GbE switch (Netgear M7100), and it broke QCheck; basically, QCheck gave me an infinity as the result of my throughput test. Passmark performed fine, but it's just a hassle to use (or at least it's not as straight forward as QCheck).

Is there another free tool for network lan speed tests? Or is there a really cheap tool for it?Let's say I have less than 20 devices to test on.I've already tried Totusoft's lan speed test and find that its free version is useless.I'm having an itch write my own software now, but if it comes to that, I'd rather pay for a cheap software.Spent too much money on upgrading already - switches, servers, and computers)

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