Cisco 2950G / Two SBS Networks - One Internet Connection
Mar 19, 2012
Basically I have 3 networks in the school - one of which I have no control over as it is a managed network. I also have a Microsoft Windows SBS network in the school which I look after myself. Both the managed network and what I class as my legacy network share a cisco router. The managed network is connected to wan port one and my 'legacy' network is connected to wan port 2. The cisco router has been set up in such a way by the managing company that the second wan port is for my legacy network and has an ip address of 10.127.40.1 and subnet 255.255.248.0 so my legacy network has IP ranging on the same subnet So far, everything works great in its current setup but I have now been given a task. The school canteen has had a Windows 2003 SBS server installed to operate their cashless system and I have been asked if they can get access to the internet. I could remove my 'legacy' network and connect their network but don't really wish to do so. This particular SBS server has been set up with ip addressing 192.x.x.x and subnet 255.255.255.0 Is there a way I can set up the two 'legacy' networks to 'share' this one internet connection. I need to keep the two legacy networks separate in terms of IP addressing. I also need to keep costs to a minimum. Minimum would be to disconnect my network but as I say, I don't wish to do so. I have access to some Cisco 2950G switches and I think from reading on the internet, that a layer 3 switch or router may be required?
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Mar 24, 2011
I've been trying to create a Minecraft server. I set up my static IP, it worked fine. Then I port forwarded, somehow something went wrong.I have Netgear, I put my gateway code in my browser, went to the settings, went to Port Forwarding, and did the following:
[code]...
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Dec 12, 2012
I am trying to set up two routers so that I can offer free wireless connectivity via three AP's in three adjoining rooms on a first floor and secured wireless and wired network connectivity in upstairs offices. The setup is like this:
Verizon DSL connectivity..static IP
The gateway modem/router is a Verizon DLink DSL 2750B with three ports connecting to three wired Access Points in three first floor adjoining rooms, and the 4th port connecting to a Cisco E1200 (wireless and ethernet router) located next to the Verizon Dlink. I would like the Verizon DLink to give open wireless connectivity via the access points and also connect to the adjacent E1200 router.
I would like the Cisco E1200 to offer secured wireless and ethernet connectivity to the upstairs offices. (connecterd to the Cisco E1200 is a 24 port Netgear switch.)I have spent considerable time talking with Verizon and Cisco/Linksys but have not been successful in just how to set this up.A former tech actually did have this setup but for what ever reason the settings were reset to factory defaults with no written record as to the necessary settings.
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May 28, 2012
I am trying to manage my Dell switch that is trunked from my Cisco 2950, I have trunked vlan 251 (management vlan) and 252,configs below
Cisco 2950 :-
Current configuration : 4794 bytes
!
version 12.2
no service pad
service timestamps debug uptime
service timestamps log uptime
no service password-encryption
[code]....
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Jan 3, 2013
Got 2 pcs. of C2950G-24-EI which are both running 12.1(9)EA1. Now I was thinking to upgrade them to the latest available (12.1.22-EA14), but before I do this task I'd like to know if there's a way to check in advance if those images will run. Any way to check about available memory or memory needs?
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Jul 20, 2011
getting radius to work on a 2950G switch with an older IOS of 12.1(22)EA1. I have radius setup on a windows 2k8 box and all of my other switches 2960's and above have no issues. I am unable to input the nas-identifier of 32 into the config using - radius-server 32 attribute 32 include-in-access-req format %h as well as the aaa session-id common commands. Doing a debug radius says that the radius server is not defined.
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Feb 3, 2013
I have mounted a cisco 2950G series switch in the network. we are working on Multicasting so I have LAN connectivity from one location ot other.
Situation:- 1- we do not have to do anything at remote location. its already done with final configuration and working fine because we other location witch are connected with this same HP switch at remote site and working fine but problem is only with one location where I have changed switch(cisco2960). when i connect cable from MUx to the switch cisco switch (Local) on particular port its does not response (LED continuously glowing amber color and does not go to green color) and communication does not start.for fixing this issue I have done so many things, vlan, duplex, speed- done everything but response.
situation 2:-when I changed this cisco device and use any other vendor's switch whether its manageable not manageable its get start proper communication. so I am unable to figure out whats the issue with. is there new or latest switch are not compatible with other vendor.
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Mar 28, 2012
I have a Catalyst 2950G when I activate the switchport port-security, but I want to empty the black list of mac address because every time I connect a device, the port is automatically désacative, here is the port configuration:
!
interface FastEthernet0 / 2
switchport access vlan 17
switchport mode access
switchport voice vlan 51
[code]....
I tried the following commands to clear the blacklist mac address of that port, but the problem is still relevant:
# Clear mac-address-table dynamic int fa0 / 2
# clear port-security all int fastethernet 0/2
# clear errdisable interface fa0 / 2 vlan
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Feb 9, 2012
I am trying to make 2 COMPLETELY seperate networks with only 1 internet connection. We have routers, switches and all that. But we need to know how to set it all up. there are 2 companies in the same office, each company needs their own network at which they can view eachothers files but in no way view the other networks files.
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Jun 4, 2011
I have an Actiontec wireless router (from Verizon) connected to my FiOS. Can I connect a second wireless router to my FiOS to provide 2 different wireless networks and if so, how do I connect it?
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May 4, 2012
I cant find the local area connection in (change adapter settings).
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Feb 17, 2012
I have two separate wired networks. Network 1 has a wireless router (an adsl modem). Router of the Network 2 is not wireless. Can I replace router of network 2 with DIR-600 to make a wireless connection between these two network segments ?
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Dec 9, 2011
Social Networks, And E-mails Are Not Worked..... It Shows That This Connection Is Untrusted.
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Jul 11, 2011
My internet has been working fine until a few minutes ago, when my connection just vanished. I went to try and reconnect but my Belkin N Wireless USB adapter could not find any wireless networks to connect to. While searching for a connection, the light starts blinking like it is searching, but then it says that it can't find any. Also, when I plug in the adapter, a popup comes up saying that there are wireless networks nearby, but when I click it there are still none.
I've tried reinstalling drivers but still nothing. I'm not sure what else to try because I'm afraid I might mess something up even more.
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Aug 31, 2011
I have two different networks, out of which one is running with a DSL connection and the other one is not having internet, now I want to share the same internet connection in both the networks, I have a Maipu 810e router with two ethernet ports
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Jun 7, 2011
About a week ago my laptop stopped connecting to the internet for no apparent reason as it had connected just fine the night before. It's a Toshiba and the wireless router I use is a belkin. Every other wireless device from my brother's laptop to my Ipod can connect to the internet just fine. Even the PC connected to the router via ethernet cable can get online. I've tried unplugging the modem, resetting my IP address, directly connecting with an ethernet cable to the router, and resetting my router. My internet browser, IE, used to freeze up but I had a friend look at and he only managed to have it unfreeze[CODE]
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Oct 20, 2011
I want to share one broadband connection between network A 192.168.1.xxx and network B 192.168.0.xxx. Network A is SBS 2008 while B is Linux with static IPs.
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Apr 6, 2011
I have been running my new PC for about 2 weeks now, absolutly fine, until last Saturday.When I started it up, it would not connect to the internet; so I looked into it, and found it had 'split' (is the best word I can describe it), the LAN connection into 2 seperate networks, (one of them, an Unidentified Public LAN) and couldn't connect to the internet on either of them. I figured after a few minutes of fiddeling, that the only way to prevent this from happening was to disable the Network Card and restart it.This is to say, when I go to the Network and Sharing Center, it will show two active networks, both of which cannot access the internet, both LAN. To get around it, I click on the Local Area Connection link for any of the networks, and click the 'Disable' button in the Status window.I then click connect/disconnect, and follow the troubleshooting to re-activate the connection, and it is fine.
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Jul 10, 2011
I'm building a desktop PC from scratch, and since up until now I've always taken this for granted with a laptop, I'm a bit confused what it is I need to connect to the internet. First of all, I live in a student residence, so up until now I was able to just use an ethernet cable, connecting the wall to my laptop to gain access to the internet service I'm paying for, an I was also able to connect to wireless networks. So my question is what do I need to buy to get the same connectivity?Do I need to buy a network card, so that I will be able to connect from the wall to my computer and gain access to the internet (not wireless), or do motherboards have that capability already these days? This is the motherboard I'm buying, and if I buy a network card, this is probably the one I'm going with. Or should I go with one that has the IEEE 802.1p, as well?
And then for the gaining access to wireless networks part. Do I just buy a router and that's it? For example, would buying just this router enable me to connect to wireless networks? Or can I just buy this PCI adapter?Would it also be possible to go from the wall directly to the router, then to the computer gain access to both the non-wireless and wireless networks?
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Mar 31, 2011
I need setting up two networks to use the same internet connection.Network A is on IP range 192.168.1.x and Network B is on 192.168.0.x and the firewall with internet connection is on Network A at 192.168.1.2.Network B must be on diffrent IP range that Network A can not access it, but the two networks are linked with a Linsys Cisco WAG120N router.Network A can access the internet fine as use gateway ip 192.168.1.2 but how do i get Network B to use that same gateway/internet connection?
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Feb 7, 2011
I have a big issue in providing internet service to the networks that are connected to a router. Also i do wanna know whether ipv6 can be used in 2811 routers.
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Aug 3, 2012
I've been having this issue for quite some time on my Windows 7 SP3 x64 machine. It's a desktop, connected via ethernet to a TP-Link WR740N router, that also provides wireless coverage. My ISP is a local one (the country is Latvia), and it offers a decent 100 MBps up/down optical fiber internet service. Now for the problem - there is only one home network on my computer, that seems to work, and that is 'Network 2'. Whenever I have to reboot the router for whatever reason, it attempts to reconnect, but sometimes reconnects to a 'Network 3' and once even to a 'Network 4' and 'Network 5'. None of these other networks have internet access. I tried to run the diagnostics tool on the issue, and usually it told me that there's a problem with the default gateway. Additionally, twice I've had the issue of the computer completely freezing when connected to one of the Internet-less networks (eg 'Network 3'), and trying to disable the network adapter, forcing a restart that consequently caused a fail boot - from there on I had to use System Restore to actually get my PC to function.
The way I've been fixing it, apart from random rebooting, reconnecting, and hoping for the best (that it decides it wants 'Network 2'), is by putting in the Resource Mini CD that came with my router, and running the Wizard for the WR740N router. It has 4 steps, the 2nd of which is 'Installing the router' (configuring the network adapter), at which point, my internet starts to work (always connects to 'Network 2'). If, I however, decide to continue this process to the step 'Configure router', and attempt to set up my wireless connection, it will begin to reset itself, and once again connect to 'Network 3', leaving me without internet access.
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Nov 24, 2011
I have a sonicwall firewall connected to the LAN port of the RV016 router and two DSL modems connected to the WAN ports.
Ip address allocation:
Firewall
192.168.50.9
RV016
LAN - 192.168.50.10
WAN - 192.168.60.1
WAN - 192.168.61.1
What configurations do I need to enter into the RV016 to allow other networks connected to the firewall(192.168.3.0, 192.168.2.0) to access the internet?
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Mar 21, 2011
I just bought a "DLink Xtreme N Gigabit Router DIR-655" I configured it correctly. It works well for the wireless connection but my Lan connection (wired connection) does not work. The Lan computer connects to the router but cannot access the internet. All of my machines work OK with a Netgear G router, including the Lan computer.
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Nov 5, 2011
I have problem with my Internet connection. Recently my Internet connection often get slow. There are 3 connections on the server running Windows Server 2003. 1st is External, 2nd is Internal and 3rd is VPN (please see attahement). There is nothing to do with External and Internal connections, and everytime the Internet connection get slow, I have to disconnection VPN (connection) and connect it again.
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May 13, 2012
Every time I boot up my computer, everything will be working fine for about 5 -10 minutes, but after this, all my browsers will lose connection to the Internet. All of them: IE, firefox, chrome, even the steam browser, all of them just lose connection.The weird thing is, my net connection is perfectly fine: I can still play online games, still use online chat services, still open and use programs like utorrent. It's like something is just blocking all my browser connections.When I run a network troubleshooter, it says "your computer appears to be correctly configured, but the device or resource (Microsoft Corporation: Software, Smartphones, Online, Games, Cloud Computing, IT Business Technology, Downloads) is not responding."I googled this and came across some apparent fixes like flushing and re-registering my dns and restarting my modem, niether of which has worked.In addition, this problem is showing up on two totally separate shared networks and has only affected my computer. Other netwworked devices, like friends/families computers and my iPhone (which I am using to type this) work fine.
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Jun 26, 2012
My hp laptop will no longer connect to the internet thru both a wifi connection or cable connection. I've also tried to do a system restore to an earlier date and it will not let mme do this either
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Jan 16, 2012
wireless internet connection connected no bit it says no internet access what is the problem
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Nov 6, 2011
I have a desktop computer that I have used for years and it has always worked just fine. We have AT&T (DSL, not cable) and it used to connect just fine but then I moved out, left everything plugged in exactly as it was and when I came back it wouldn't connect.It connects to the LAN but not to the internet. When I go in cmd to type ipconfig the DNS suffix is blank on that computer but says gateway.2wire.net on my wireless laptop. I eventually disabled UPnP on it because that's what alot of people were saying fixed the problem but it didn't fix anything. All it did was make the Internet Gateway Connection box disappear.Originally it was plugged in like so: Cable from wall > Cable Box > PC Now it is hooked up like this: Data cable from wall > DSL > Router > PC It stopped working BEFORE it was switched to DSL so that isn't the problem The DSL we have is "AT&T 2701HG-B 2Wire Wireless Gateway DSL Router Modem" and the Router it is plugged into that goes to my PC is a Linksys Wireless Router Model WRT54GS The PC is Windows XP Home, SP2?
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Dec 12, 2012
I have recently installed SDM in order to access the internet with my 837 ADSL. I have configured the router's ethernet interface with ip address 10.10.10.1/24 (Default Gateway) and my PC to 10.10.10.2/24, I can both ping & telnet to the router from my PC, I also have pinged 8.8.8.8 on the router and that came up to 100%. But I am not getting the internet, I will show any configs from the router & post these for further information.
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May 14, 2013
I have a brand new C1921 with EHWIC-4G-LTE-G using Vodafone to build an internet connection. First I did the setup like shown in the config guides and got the internet connection, but it was unstable.
Then I found some issues with the old LTE- card firmware in the support forum. Following that hint, I did an IOS upgrade to 15.2(4)M3 and the LTE- card update to Modem Firmware Version = SWI9200X_03.05.19.04. Post-checks after the update were all fine.
After that, I reconfigured the router again meeting the config guides. Establishing the internet connection, I get an IP address on the cellular profile, but it's not bound to the cellular interface.
sh cellular 0/0/0 profile Profile password Encryption level: 7
Profile 1 = ACTIVE*--------PDP Type = IPv4PDP address = 10.25.124.59Access Point Name (APN) =Authentication = None Username:Password: 05 Primary DNS address = 139.7.30.125 Secondary DNS address = 139.7.30.126
[code]......
Before the upgrade the IP- address was bound to the cellular0/0/0 interface and I was able to reach the internet.
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Jan 2, 2012
I nedd some Details for configuring the new internet connection from ISP.
I Will discribe the Curent network structre . We have a internet conection from one vendor That is comming to our router. we are using Cisco router 2600 that having two Ethernet ports.One port occupaid with connection from ISP ,One port going to ASA firewall.
We have a site site VPN conction with client between our ASA and thier ASA.
Now we need to configure one New internet Connection from another vendor .We need to use this new connection mainly for VPN.And once this connection is down we need to backup with old Connection.
how we will take the connection to the firewall or do we need to configure the new router.we have a new router.
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Feb 15, 2013
Case: My home has few laptops and mobile phones connected wireless to the home's Router -> & to cable modem.
Problem: When I turn-on this particular HP's PC and connect to the internet (wireless) - the whole house internet connection becomes intermittent (e.g. OFF / ON). The Internet connection is fine (no problem), if this PC is not connected to the Internet (not connected to ie or google).
Trouble Shoot (without success)
- I have reformatted the PC and scan the PC with Malware in safe mode (no infection).
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