Modem Disrupting By LAN Client?
Oct 22, 2012
We have a small office environment, about 8 wired connected PC, 2 IP printer and 2 modem/router (wireless).Most of the time, guests and other staff access our internet through Wifi. Few days back, i have notice the ON and OFF activity of our modem (satellite) causing to disrupt our communications. This activity been observed for the last couple of days. Later on, I found the culprit, some tech savy individual are messing around with our modem, accessing then rebooting the equipment.Is there any ways to hide or prevent clients to access to our modem? The satellite modem is DHCP (172.xx.xx.xx) enabled and unconfigurable.My present setup MODEM>> SWITCH>> ROUTER>> PC.
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Jun 15, 2012
Dell laptop over the last two weeks will not link to wifi at home.I use it at work and it's fine. Does not cause any issues for anyone else on wifi network at work. Hooks right up to their system, no problem.However, when I get home, it will not link back up to home wifi. It will also disengage the desktop computer from the wifi as well.Even if desktop is off, it will not link with home wifi.
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Aug 11, 2011
My computer's virus protection expired so I Googled a free one and downloaded it without doing much research on it. It contained a virus and now it's disrupting my computer. I ran Microsoft essentials security and found malware and it removed all threats. The virus is disrupting my connection to the Google server. I cannot use google web, images, or mail but I can maps. I tried following the steps suggested here but my host file name is different and contains different information.[CODE]
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Feb 2, 2013
I am planning to upgrade the current core switch(3750) to 6509 series switch. Since we have a production network running we have to plan for an online core switch upgrade.
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May 15, 2013
I've struggled now for a couple of days to setup a PPPoe connection on our cisco 887va box. I can setup straight away on a draytek box so i know the connection is good.I can't get the line protocol to come up? It's connected via ethernet port 0 to an external modem. One thing i can't figure out is if ethernet 0 and fast ethernet 0 is the same physical port?I've attached the running-config below.
Building configuration...
Current configuration : 3738 bytes!! Last configuration change at 16:16:56 UTC Thu May 16 2013version 15.2no service padservice timestamps debug datetime msecservice timestamps log datetime msecno service password-encryption!hostname **!boot-start-markerboot-end-marker!!no logging bufferedno logging consoleenable secret *************
enable password ***********!no aaa new-modelmemory-size iomem 10!crypto pki trustpoint TP-self-signed-15463827enrollment selfsignedsubject-name cn=IOS-Self-Signed-Certificate-15463827revocation-check nonersakeypair TP-self-signed-15463827!!crypto pki certificate chain TP-self-signed-15463827certificate self-signed 01 **** quit!!!!!!ip cefno ipv6 cef!!license udi pid ***************!!username ************** privilege 15 password 0 *****************!!!!!controller VDSL 0operating mode vdsl2!csdb tcp synwait-time 30csdb tcp idle-time 3600csdb tcp finwait-time 5csdb tcp reassembly max-memory 1024csdb tcp reassembly max-queue-length 16csdb udp idle-time 30csdb icmp idle-time 10csdb session max-session 65535!!!!!!!!!interface Ethernet0description
[code]....
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Apr 21, 2013
Do the problem caused by the modems itself or it just sign of faulty Ethernet switch (using 20 port Allied Telesis ethernet switch).
Sometimes I cannot connect to internet due to "unidentified network" buy i can resolve this problem by restarting my modem + switch.
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Mar 20, 2012
i have a question about tunneling a software EasyVPN client to a client ASA Network. It looks like this:
EasyVPN Server 192.168.202.0/24 Network extension mode to Client EasyVPN ASA 192.168.1.0/24 This works fine in both directions. But now i want to connect the client ASA network via EasyVPN software client from outside. The user are already able to connect to the ASA Server on its static outside IP obtaining an IP from a 192.168.21.0/24 pool. This works fine. But how am i able to connect to the 192.168.1.0/24 network from this client?
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Apr 18, 2013
how to make the java SSH thin client applet bigger in SSL VPN Clientless portal?It works and all that but the window is literally half the size of the monitor and unworkable. You can't even hit tab! (tab moves focus around the browser...)I am using the latest java applet (Oct 2012) and ASA OS 8.4(5)
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Aug 23, 2011
My Motorola SBG901 Modem/Router combo has stopped connecting to the internet. I have done all the troubleshooting with Comcast and with Motorola and it is out of warranty, so I will have to purchase a new one.In the mean time, I wanted to use it only as a wireless router connected to my Scientific Atlanta DPC2100R2 modem. Is there anyway to do this? Is there a way to disable the modem in the SBG901? Simply connecting with the ethernet cords has not worked. I connected the DPC2100 to the SBG901 via ethernet cord. My computer was able to pick up a wireless connection but there is no cable connection.
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Jan 16, 2013
I want to connect my tata photon device to my bsnl wifi modem via a usb portavailable on the bsnl modem. This is to provide a wifi network that i can use to surf the net on my phone.
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Feb 28, 2013
i just bought a Netgear WNDR4000 router due to troubles with my current modem/router combo (D-Link DSL2730-B). The router doesnt have in built modem functionality obviously so I need to set up the modem/router as a dedicated modem.Also should I use the current modem/router as the dedicated modem or an older model i own (I think its a DSL 502T)? Because the current one often drops the internet connection. Don't know if its a problem with the modem functionality or something else. Will the older one serve better since i didn't have any problems with that one or will it be outdated? I only upgraded due it not having wireless capabilities. Otherwise it's fine.Or will I be even better off buying a dedicated modem? I really don't want to spend more money but if this is a far better alternative I guess i will.
EDIT: Ok so found out that I have to put the modem/router in bridge mode in order for this to be possible. However, looking up how to do this lead me to a dead end because i need to fill in some fields that i have no idea how to interpret.
VPI:
VCI: These 2 already came with presets. Should I just leave them?
Select DSL Link Type (EoA is for PPPoE, IPoE, and Bridge): Choices of EoA PPPoA and IPoA
Encapsulation Mode: Choices of LLC/SNAP-BRIDGING and VC/MUX
Service Category: UBR without PCR, UBR with PCR, CBR, Non Realtime VBR, Realtime VBR
[code]...
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Feb 7, 2012
I have a cable modem installed to my property but want to use my modem/router to go wireless. The proble is my cable modem output is a RJ45 and the router input is RJ11.
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Jul 5, 2012
my computer randomly disconnects from my modem and will not reconnect until I restart my computer (do not need to restart modem). When I check the modem, it always is still running. The lights on the modem do the exact same thing whether the internet is working or not. The disconnection is entirely random. Sometimes it will disconnect immediately, sometimes it will take up to a few hours. I do not have a router hooked up to the modem, and the only other thing the modem is hooked up to is our tv. But even when the tv box is off, we still randomly disconnect.
On the previous forum thread that I read, some of the comments asked for the person to paste their entire ipconfig and their entire ping list from command prompt I will post that below: [code] Could it possibly be a virus? I am currently performing a virus scan using Microsoft Security Essentials. I will report the results of that tomorrow, seeing that it will take several (up to 10) hours to finish and it is nearly midnight of me posting this.I should also note that whenever I unplug my Ethernet cord it gives me a symbol that looks like this other than the regular disconnect with the red "X" over the wire symbol.
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Jan 6, 2013
I'm switching to cable internet service instead of DSL. My Netgear router will not work with my cable modem; but it works like a charm with my DSL modem. Is it a problem with the router setup? Good thing I still have the DSL service.
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Oct 19, 2011
I have a setup involving 3 clustered AP541 running off a sg300 switch. The wireless network setup VAP has one entry for vlan 1 with station isolation disabled. Is there anything more I need to do to allow one wireless client to ping another wireless client - am I missing something - i assume this is possible.Needless to say wireless clients can ping non wireless clients and vice versa quite happily. Everything is running with factory default settings more or less.
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Mar 15, 2012
I have Desktop and Laptop connected to a Huawei-make,Model No Smart AX 882, ,via ethernet & USB port. Is it possible to convert the same ADSL wired modem into a wireless modem for my Laptop. the type of hardware to be used (e.g., wireless access point or a wireless router) through my USB port in the wired modem? what is the configuration change I have do in my wired broad band modem?
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Apr 23, 2012
i have a at&t modem and wireless router in one. its the source of my internet and is in my office room and i was wondering if i can use my old westell wireless modem router and hook it up in my bedroom so i can have a better signal for my laptop and use an ethernet cable for other things like the tv and ect
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Feb 10, 2011
I recently setup a vpn using netgear vpn/firewalls...got it working...but couldnt log on to the domain.then changed the dns server on the machine to my server on the othersidewas able to join the domain and logonfrom the otherside i can ping the server and gatewayBut i cant ping a machine (Camera security system) address 10.0.0.10no replyi have a software client that connects to the machine...and its working on the otherside.the addresses are in the same range 10.0.0.x as the camera system on the otherside
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Apr 17, 2011
I hv a ADSL Router with DHCP enabled and inturn connected to IB-WRX150N as wireless and wired router setup with DHCP "disabled". I have given SSID for wireless router. All this on 192.168.1.x range of IPs. I have DWL G730AP which Iwant to setup as wireless AP connecting to WRX150N. I am unable to do it even after speding significant time. Its Site Survey is not detecting any WIRELESS network even though DWLG730Ap is right beside WRX150N.
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Oct 12, 2011
i can't get my ping of client ip.
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Jan 20, 2012
I am in charge of a network that has two dns servers with directorys, one main and one for back up. I also have a cisco firewall.When I run a scan on my network, the scan results return clients that have two diffent IP addresses for one client or server etc.
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Jun 15, 2012
I am currently working on a project which purpose is to establish a TCP connection between a PC and a microcontroler.I configured (in C language) the µC as the server, and the PC as the client (in C#, using the TCPClient class).While running the codes, I capture the frames on the network with Wireshark.The client's ISN is chosen randomly by the TCPClient.Connect method.Since there will be only one TCP connection at a time, the server's ISN is always 0.The server's port is 0xC0C0 (49344) and the client's port is also chosen randomly by the TCPClient.Connect method.find the screenshot of the Wireshark's capture attached.In compliance with RFC793, the three-way-handshake should conclude with an ACK segment from the client.In my exemple, the client tries to connect three times, and then drops : the client sends no ACK segment.The µC's SYN-ACK reply may be bad configured .What kind of information did I miss ? Are there special data the client is expecting ? Why don't I get back an ACK segment from the client?
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Mar 15, 2011
We currently have a company network set up with a PC acting as a shared resource containing shared folders for everyone to access (approx 30 users)The network is comprised of a business internet connection to a 5 port router which is then connected to a 5 port switch connecting to 4 computers and another switch which is connected to another 4 computers and again to another switch - this continues for approx 30 - 35 computers.We have 2 shipping databases connected to the first switch (2 of the for first computers mentioned) and about 15 of the 30 clients need to access these. Because there is this many people on the network we are running really slow and losing access to the databases/shared files on the network.We do not have the expertise or time/money to set up a true server/client network.We are moving to a bigger building and potentially hiring 10-20 more people.We are thinking about having a small (5port router) and branching it off to 2 24 port gigabit switches and the business folder and having one switch contain the 2 databases and all the users who need to access it and the other switch containing all the other users.
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Aug 17, 2012
i keep getting the message install email client how do i do it
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Jun 8, 2011
Is there a way to check or record from where the Windows XP pro workstation is getting the wrong IP address and placing it into its DNS cache?
[code]...
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May 7, 2012
I insert data from two clients.(1 window server 2003,2 XP clients ) the two client print paper and the printer is shared printer. At the same time two clients print paper and the printer stop working. So I restart my two clients and server. After restart the clients cannot ping to server.
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Feb 2, 2011
My brother keeps downloading torrents and I don't want him to so I was wondering if there was a way to keep torrents from going from my router to his computer but still give him access to the internet. I have a Linksys WRT160N V3 router.
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Nov 20, 2012
What is the difference between AP, Client and Repeater. There is a switch on the back of my Access Point and I just wanted a little bit of knowledge of what they are and what are the best situation I would use them in?
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Mar 31, 2012
I have two wi-fi network, and i have written client server model in c (Linux), client has three threads and each thread having different physical wi-fi conection to server. But the problem is that, overall data rate is not increased by this, it is similar to using with one wi-fi connection.
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Oct 26, 2011
The message ID I can use to filter VPN clients connecting and disconnecting from the Firewall?
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Nov 17, 2012
We have a Cisco 5505 firewall and working to setup VPN through the firewall, what Cisco vpn client should we download for our users to have the right client on their desktop/latops.
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Jan 26, 2011
i have a 5510 with a working VPN but discovered that anyone connecting from a public IP can connect to VPN but can't go anywhere.so if i have say a linksys wifi on my cable modem and a private IP i can connect no problem. but if i'm on like a verizon data card which gives me a public IP i can connect to VPN but receive the below errors in my asa logs and can not reach anything on the network.What do i need added to allow remote ends without a nat device to also work?
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Jan 19, 2013
I have configured Clientless SSL VPN on 2821 router with IOS12.4//Its running fine and I am able to open local portals I have mentioned in the SSL URL List.
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