Routers / Switches :: Internet Not Working Properly
Feb 26, 2012
ive been having some issues with my internet, i had an attack on my pc recently by some american orginization, ive reinstalled new windows on my pc, reset my modem, and nothign seems to work, i have too many tunnel adapters in cmd ip config i think, bell canada hooked up my internet lines and they actually joined two or more wires together and strung them up on the neighbours fence and mine and even wrapped it around a tree branch, god knows why they would even do that, maybe they think when the tree grows it will cost me money to fix it and theyll earn from thier mistakes instead of learn from them... anyway this is my ipconfig test results as explained in previous post from someone.Windows IP Configuration[CODE]
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Jun 9, 2011
Is this known bug that you cannot backup (export) full running or startup config from this switch? Will this be fixed in next firmware? (btw, still no new firmware with CDP support for this script altough sales literature mentions that it should have already been available...)Switch does let you backup configuration as text file (which looks similar to normal IOS config syntax), but it doesn't contain all settings so the file is pretty much useless to restoring the config to another switch.At least following settings are missing from the file:
- management interface config (including DNS settings)
- passwords
- remote syslog server config
- SNTP server config
- IGMP config
- LLDP config
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Nov 7, 2011
At our office we use seven Cisco 300 Series Small Business Switches. One main switch in the server room and one in each room. They work great! But I’m having difficulties getting the Auto Voice VLAN to work correctly. In fact, it seems to works straight away on a PoE model, but not on the non-PoE models.
Switch (main server room):
Cisco SG 300-28 (PID:SRW2024-K9)-VSD
Switches (one in each room):
Cisco SG 300-10 (PID:SRW2008-K9)-VSDCisco SG 300-10 (PID:SRW2008-K9)-VSDCisco SG 300-10 (PID:SRW2008-K9)-VSDCisco SG 300-10 (PID:SRW2008-K9)-VSDCisco SG 300-10 (PID:SRW2008-K9)-VSDCisco SG 300-10P (PID:SRW2008P-K9)-VSD
All these switches use firmware v1.1.1.8. The switches in each room are connected to the central switch by Link Aggregation. The main switch is configured in Layer 3 mode and all the others in Layer 2 mode. We have a lot of VLAN’s configured. For this problem allow me to describe only the two that are relevant.
VLAN 102 - Internal Network (Clients)VLAN 104 - Internal Network (Voice) The switches on each room are mainly used for clients, printers and IP phones. The clients and printers should operate in VLAN 102. The IP phones should operate in VLAN 104. For this to work I have the 10 port switches configured as following.
GE1 – Trunk – 102U;104TGE2 – Trunk – 102U;104TGE3 – Trunk – 102U;104TGE4 – Trunk – 102U;104TGE5 – Trunk – 102U;104TGE6 – Trunk – 102U;104TGE7 – Trunk – 102U;104TGE8 – Trunk – 102U;104TGE9 – Trunk – 1P (LAG 1, with 1U;102T;104T)GE10 – Trunk – 1P (LAG 1, with 1U;102T;104T)
The network is fully routable. A DHCP Server is available. Each VLAN uses DHCP relaying. If we statically assign a VLAN to a port, that just works fine. Auto Voice VLAN is enabled with VLAN ID 104. All switches are configured the same. But this is what occurs…
When I connect an IP phone on the SG300-10P the IP phones are assigned to the Voice VLAN ID 104. If I would connect a desktop to that same port it is assigned to VLAN ID 102. Exactly as it should.But when I connect an IP phone on a SG300-10 the IP it is assigned to VLAN ID 102. But I also noticed that in some cases they are assigned to VLAN ID 1 and don’t get an IP Address. That depends in which order I change settings. The port its VLAN membership is then even changed to 1P. Although the port is recognized as an “IP Phone” by the smartport feature. I have noticed it does make difference if I modify the smartport macro and change the native_vlan paramater from "1" to "let's" say "102". That seems to affect it. Of course it may be just coincidence. What am I doing wrong? How should it work?How should you actually configure each port on a switch? (trunk?, Tagged/Untagged VLAN?)If you do not use Telephony OUI. Do you still need to configure the macros on the smartport defenitions?
I have tried about everything. I have also tried Telephony OUI, but it doesn't make any difference. I just can't get it to work properly on the non-PoE switch.
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Jul 1, 2011
I Have a Computer Ready for setup as a Server in the LAN Connection:
Windows 7 Professional.
Another 2 Computers for LAN Connection:
1st Computer is a Windows 7 Professional (Connect as LAN)
2nd Computer is also Windows 7 Professional (Must connect using a Wifi D-Link)
Another 2 Computer for LAN Connection:
Windows XP: Must Connect Using LAN port.
1 Computer:
Windows 7 Home Edition: Must Connect Using LAN port
2 Laptops:
1st Laptop is using Windows 7 Ultimate.
2nd Laptop is a Vista.
How to Connect these Computers to the above mentioned computer ready for setup as as Server?
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Apr 5, 2011
want to put local working apache server behind the edimax router.so i check Enable Port Forwarding and add it:Current Port Forwarding Table:1 192.168.2.100 TCP+UDP 80i check it and restart it and is not working. how to do it now?
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Jul 19, 2012
We are planning 3 Internet Connections into our building. 1 will be for actual Internet traffic, 2nd for Voip phone system, and 3rd for internal network for Active Directory...etc. Oh the AD servers are controlled by another business so technically this line is still considered and outside line and is a T1. What I need to know is how best to make this all work so that our internet phones use the VOIP system, computers can log into the domain and access that network but use the Internet network for actual internet traffic? We were considering a series of managed switches and creating 3 VLAN's but I'm thinking we instead need a new router that all 3 networks connect to and dishes out DHCP to computers and phonesn example network is below.192.168.1.x ----> Internet (all computers use for internet traffic)72.10.10.x ----> VOIP (All physical and software phones use this network)10.10.10.x -----> Connection to external company that controls our network and has domain controllers, mainframe...etc.
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Dec 23, 2011
I have my RV042 set up in Dual WAN mode and both WANs are working properly. I would like to configure WAN1 to handle all traffic, unless it fails and then have everything to go to WAN2. Pretty much what Smart Link Backup does, however with that enabled only 1 of the WANs is live at any given time. I'd like both WANs to always be live as I'm going to see the second one as a back-door into the network. Is this possible to do with routing? I tried setting a routing rule to have everything to go WAN1, but when WAN1 goes down, nothing is rounted via WAN2.
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Aug 30, 2011
My office pc internet ADSL router is connected on USB port and office intranet router is connected to LAN post throuh a CAT-5 cable.Both have different gateways.I have manually configured both USB and LAN but internet and intranet does nt work together.I am required to disable one connection to connect the othet one.I want to remotely connect to my office pc and work on intranet( oracle database) .i connect through team viewer but as internet is on,intranet does nt open.i tried to add intranet gateway throuh command line also but it did nt work.office pc is xp ..home pc is vista..
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Jun 2, 2011
Last night on the xbox 360 i was suddenly experiencing alot of lag on other peoples voices. i took no notice of it and the next day i went on my laptop and alot of websites wouldn't load properly.i can go on google,obviously this and my hotmail(after having to wait a long time for the hotmail to load), but others such as ebay will not load. I cannot even access my router settings by typing in my ip address, instead i get a message saying the page cannot be found. also i was disconnected from xbox live with the internet to xbox live part not working. Obviously the first thing i done was turn the router off and back on but it hasn't made any difference.
OS Version: Microsoft Windows Vista Home Premium , Service Pack 2, 64 bit
Processor: Pentium(R) Dual-Core CPU T4200 @ 2.00GHz, Intel64 Family 6 Model 23 Stepping 10
Processor Count: 2
RAM: 4055 Mb
Graphics Card: Mobile Intel(R) 4 Series Express Chipset Family, 1804 Mb
Hard Drives: C: Total - 290204 MB, Free - 141170 MB; E: Total - 14999 MB, Free - 5644 MB;
Motherboard: Dell Inc., 0G848F, , .5MDJWJ1.CN7016697U05OT.
Antivirus: AVG Anti-Virus Free Edition 2011, Updated and Enabled
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Aug 8, 2011
Some Trouble With My Wired Internet Connection,basically it worked somedays other days it cut off and didnt work for a few days,i phoned virgin media who sent me a new modem.Everything is set up and activated and it worked for about a day,now it has stopped working even though the computer says im connected,everytime i try internet explorer or firefox i get a white screen and every webpage i try fails,but if i bring up utorrent i can see that my internet is connected because it begins to download the ebooks
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Jun 13, 2011
I have configured my CIsco 2911 router and there seems to be something wrong with my configuration regarding subinterface 0/0.102 The hosts on this subnetwork cant access the Internet and i cant spot the error.
Here is my running config on this matter.
class-map type inspect match-any LAN_TO_WAN
match access-group name LAN_TO_WAN
class-map type inspect match-any WAN_TO_LAN
match access-group name WAN_TO_LAN
class-map type inspect match-any GRE_TO_WAN
match access-group name GRE_TO_WAN
class-map type inspect match-any WAN_TO_GRE
[code]....
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Jun 3, 2012
Im having a problem with my wireless. My whole family is connented. to wireless. But when we all use it together it goes so slow. Like 4 some times only 2 people using it at the same time.
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Mar 29, 2011
access-list <#> permit/deny <protocol> <sourceAddress> <sourceMask> <destinationAdd> <destinationMask>Say I applied an ACL inbound on Fa0/0, would the source address be the outside the LAN?So if took the same ACL and applied it as outbound, would the source need to be change to an IP inside the LAN?I am a bit confused by the data flow I'm seeing in packet tracer simulation mode to. I set up an ACL for testing purposes "access-list 199 permit ip 193.20.30.0 0.0.0.63 any" set as inbound, the idea being it permits any traffic from the .0 subnet.When I watch the packet in the simulation, it makes it to the destination address then is dropped by the router on it's way back out to the sender.
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Jun 25, 2011
I'm trying to set up 2 separate networks in my home, both of which have access to the internet through a single ISP.I have set up my networks using 2 routers as described in the "Version 2" scenario found here: url...The problem is, a computer connected to the LAN side of Router 2 is able to ping and map shared folders on computers connected to the LAN side of Router 1. According to the writeup (last paragraph), this should not be the case.I have been over the setup multiple times to ensure it is per the writeup but each time, I am able to ping and map.Is there some additional router/computer settings that I may be missing?FWIW, here's my take on what is happening (with the ping): When a computer on the LAN side of Router 2 (submet 192.168.1.x) does a ping to a computer on the LAN side of Router 1 (subnet 192.168.0.x), Router 2 sends the request to its Default Gateway (since it's a different subnet).Router 1 however, recognizes this as its LAN side subnet and forwards the request to that computer. The ping response is then routed back from Router 1 to Router 2.
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Feb 8, 2011
I have Windows 7 x64 and I'm using ICS to share my internet connection (cable-modem router from Comcast) with another 4 computers in my LAN.Today I decided to install a VPN free program called HOTSPOT SHIELD, and after installing it I can browse fine the Internet with this main computer, but the others in the LAN lost internet connection, although File-sharing still works fine and I can see the Networked computer in Windows Explorer or access them remotely with Remote Desktop Connection.I noticed that the Hotspot Shield program added several routes to my routing table, most of them in the IP-Range 10.31.X.X with a Mask of 255.255.248.0so this virtual Network-card that is created has a VARIABLE IP address 10.31.X.X, the first time I monitored it was 10.31.40.20.
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Mar 25, 2012
i had an extra network under my wireless networks that was just called "network" which was not connected to anything, but since i had this, on the bottom right of my screen where it normally showed the bars for the wireless connection, it had the bars grey with a red X on them, but my connection worked fine still.I am using windows 7 64x bit. I always use a wireless connection on my laptop.
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Apr 7, 2011
I have 2 computers, One running Vista 32, Desktop.Another, Laptop, Win 7 64bit.Both computers have given Error 651 when using PPPoE wired connections, usually at the peak of the day.My ISP says that Error 651 is the problem, while I am starting to think its the amount of bandwidth their giving my neighborhood/home.Also, can that dosen't work,how to fix the overall problem of my Internet shutting off at peak hours?
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Mar 11, 2012
when I couldnt turn on the wifi from the switch. It remained orange(which is its off state) and so I went to the device manager and the wifi adapter was shown there but with an exclamation mark. Showing the error "the device cannot be started(code 10)". So I uninstalled and rebooted, only to get the same error when it got reinstalled.
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Jan 12, 2011
I have a Netgear CVD31T modem delivered by my internet provider. I can't change any settings on the modem. My connection speed is 30 gb up and 5 GB down.Until now I used a Linksys WRT54GV ver. 2 router to share my connection between my computers and NAS server and it worked ok. In speed tests I normally get approx 25 - 28 GB speed. To optain more speed on my LAN I want to buy a GB router. And here started my problems. First I tried a D-link DIR655, then a Netgear WNDR3700 and latest a Linksys E3000. I all 3 occations my WAN speed droped drasticaly down to between 3 - 5 GB speed, at under a ping test I have a loss of between 10 - 30 % and time on approx 50 ms.If I connect my PC directly to the modem or re-connect my old router it works perfect. I have tried to replace cables etc. etc.
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Jan 29, 2012
I bought a TP-Link TL-WR841N which i have managed to setup up properly, i am able to connect to the wireless and get internet access. However the minute i walk out of the room or a few meters away i am disconnected and i can't re-connect, i get the "windows cannot connect to TP-LINK" message. The signal strength in on excellent and i know it works because when i stand near it, it works perfect.I phoned TP-LINK technical support who were pretty useless and couldn't fix the problem.
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Jul 7, 2011
how u would evaluate the effectiveness of the home entertainment (PC,console, Windo media centre
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Dec 6, 2011
The modem Time Warner gave me several years ago was dying, I took it in, they gave me a Cisco modem, I plugged it into the computer, works fine, so then I plugged it into my airlink 101 wireless router, the computer recognizes the router but says there is no internet access, i.e. the modem and router are not communicating. Why would change of modem cause lack of communication with the router, is there something different about modems now compared with roughly 5 years ago? And what can i do to fix it so i can have wireless access again? If it matters, I have no protection on my wireless (because I never figured out how).
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Nov 15, 2012
So I have an HP Pavilion dv9000 laptop with window 8 installed and when I try to connect to the internet I keep getting an error that says the "Ethernet" Adapter is not working properly. I used to be able to go on the internet and then my dad had my computer for a while and now it's not working.
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Sep 13, 2011
I recently replaced a Linksys wireless router with a Netgear wireless router(provided by Comcast) to the modem in my house. I used my HP Pavilion as the computer to run the setup disk and the wireless wizard to link the new router to the modem. I unplugged my HP from the router and proceeded to setup my computer on the wireless network.
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Jan 24, 2012
When I check the strength sometimes it indicates it's good if I'm practically sitting on top of the router, this seems to eventually degrade to low until finally the connection drops.Repairing' with XP repair facility doesn't work. I can forget about getting a connection if I move further away from the router. At the moment I'm relying on using an ethernet cable snaking across the dining room, which isn't really practical with a toddler and a dog racing around. Recently a friend put a bigger HD in and before this it was working fine, so I suspect that it may be due to this. I think it's due to the wirless card in the laptop, as I have a number of other devices in the house which all work fine.
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Jan 8, 2011
I've been able to copy files to the WD drive attached to my DIR-655 router but Ghost gets an error even though is recognizes the drive is connected.
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Nov 30, 2011
I have a an issue with one particular VPN user. They are using the built in Windows Vista client to connect to my ASA 5510.
All other users do not have an issue and i receive the following error at roughly the same time of day when the drop happens. Authentication is done by my AD Server which handles all logins.
[code]...
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Feb 27, 2012
I not familiar with the ASA 5510 product. I having trouble since last 24 hours and still cant find out the root cause yet. Here is my scenario, my network should be
WAN --- ASA5510 (FW) --- SERVER (192.168.1.0/24)
Now I face the problem, all the NAT static 1-to-1 is working OK. All my public IP can be ping from outside internet. But the problem happen when I try to telnet to port 80 on each server. I had try telnet from my PC to public IP 124.xxx.179 80, it's work fine, but failed on 124.xxx.180 80, then on 124.xxx.181 80, its work fine.
Then I do try on my colleague PC, in same network as mine, I face another case where the public IP 124.xxx.179 80 cannot be telnet, but it's ok for 124.xxx.180, then failed on 124.xxx.181 80.
FYI.. all our PC can ping to the Public IP and no packet lose.
The scenario is very weird, I cant find any other solution as had review my configuration few times.
check does my configuration is working perfectly or not.
ASA Version 8.2(5)
!
hostname fw-asa
enable password xxx encrypted
[Code].....
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Sep 27, 2012
I have one Flex WLC 7510 using software version 7.0.220, And all APs are 1131.
I have some sites with H-Reap, where H-Reap is configured properly.
The Access Points are set with AP Group. AP Group is configured properly too.
Each AP Group was configured for one site, and they was configured with 2 SSIDs. All sites has 2 differents SSIDs. During some basic tests, in one site with 9 APs, I saw:
1. When the Access Points are registred on WLC, all APs are working fine. All APs has your 2 SSID added on slot 0 (radio 0)
2. If I disable the link between WLC and Access Points, 7 access points delete SSIDs on your AP Groups and replace it with 16 SSIDs (SSIDs on Default Group) configured on WLC.
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Mar 7, 2012
The Network icon in the notification area in the bottom right hand corner of my screen will almost always look like this:Quite frequently, though, I will get an exclamation mark inside a triangle with a message instead saying No internet access (I don't have a screenshot). If I give it a few seconds, usually never more than a minute (30 seconds on average it seems), it corrects itself and gives me back internet access.
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Jan 13, 2013
I recently made an old router into a repeater by using DD-WRT. It seems to be working fine if I use LAN, but I cannot get WLAN to function properly. When I go to add a virtual interface and all the proper info, I all of a sudden cannot connect to the Internet. More specifically it seems to not assign me an IP address.
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Nov 21, 2012
i am trying to connect wifi .i have two wifi hotspots. it just connects with one hotspot and if i try to to switch to other one it just shows windows was unable to connect. and it does not switch back to the previous connection. even it does no go to communicate with access point. directly shows widows was unable to connect.
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Nov 18, 2012
I checked what she needed, updated her drivers for Ethernet and Wireless, and the Device Manager is stating that they are both working fine. (no ! or ? on them)When I plug in an ethernet cable it works fine. It gets connection pretty well through my BT Infinity modem.However the wireless will not pick up any connections at all. I attempted troubleshooting, and all it says, "Your network adapter is experiencing problems" etc.I thought that I may need to turn on Wireless Association on the modem, but that didn't work. My dads laptop is also a Windows 7 Laptop and that works fine and will bring up all connections in the area, including mine.
So I googled around, and I found that I may need to turn on a wireless switch. After looking around the laptop, I noticed two things. 1) There is no wireless switch, and 2) There is an orange light above the WIFI symbol.So I googled around a bit more, and found it might be turned off in the FN+f8 Flash card feature. At first I couldn't actually bring this up, so I reinstalled the flash card, and it began to work. It claims the wireless connection is "On".I am not sure what to do next. I have checked the services to make sure WLAN Autoconfig is on Automatic, and Started, and it is. I also tried disabling, then enabling both ethernet, and wireless connections, which did nothing.
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