Here are some troubleshooting guides for singular topics.
(1) Your Virtual Network Connection
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(2) Vpn Troubleshooting Error Messages
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(3) Vpn Modems Troubleshooting Guide
(4) Vpn Isp Troubleshooting Guide.
(1) Your Virtual private Network Connection
Having problem connecting to the Internet at home try these steps before calling for help.
1. Do you have an Ip address? Try ipconfig /all. If you do not have an Ip address reboot your Pc. If that doesnt work power cycle your Cable/Dsl modem and routers and reboot your Pc again after the network devices are up and stable. Be sure all of your network cables are plugged in tight.
2. After your Pc reboots check that your network adapter is active and packets are flowing. Perform the ipconfig /all check again.
3. Check your connectivity by pinging any Internet sites. If that does not work, ping the loopback address 127.0.0.1. If that fails, your adapter may not be working or it is not properly configured.
To check your Ip address. From command prompt enter ipconfig /all (as shown in the picture) you should see an Ip Address and any Dns Server addresses. The domain name ideas (Dns) is the way that Internet domain names are settled and translated into Ip addresses and is required for browsing the Internet.
Ping 127.0.0.1 - loopback Test (as shown in the picture). The loopback test is used to check if the Ip stack is responding. If it times out or you get an error the question may occur if any one or more of the following conditions is true:
*The Tcp drivers are corrupted
*The network adapter is not working
*Another aid is interfering with Ip
Check your network adapter, click the Start menu, Settings, Control Panel, and settle on Network Connections. Duplicate click on the Local Area relationship or the Wireless Adapter whichever one you are using. Be sure its Connected. If you have multiple network cards disable the one you are not using.
There should be Packets displayed in both the Sent and Received counters. If the Received counter is 0 check that the adapter has an Ip address. settle on Properties.
Click the check boxes for Show icon and apprise me below. A twin Pc icon will appear on the lower right measure of the taskbar in the tray area and will flash while sending and receiving packets. You can place your mouse over the icon to get the status and click on it to get more details.
Tracert displays the relationship path to the target location and the estimate of hops. Each hop is the trip from one router to another. Tracert is a handy tool both for understanding where problems are in the network and for determining latency in the middle of hops.
Ping is used to decide either a host exists and is active on the network and can decide the round trip time to the device. You can enter a host name or an Ip address if you know it. If the invite times out then the host is not reachable because it's offline or there is a question with the connection. Try any sites, if none work then ping the loopback address 127.0.0.1 Also, if your Dns is not working or properly configured you can only ping the host with an Ip address and you will not be able to browse the Internet.
If you are having intermittent problems, Perform a ping -t for 5 to 6 minutes then hit Ctrl C to see the results of the test to decide if you are dropping network packets (lost packets). If you are, this ordinarily indicates an Isp question or Cable/Dsl modem problem. See Vpn Isp Troubleshooting Guide
(2) Vpn Troubleshooting Error Messages
Q1 Error Message: Remote Host not responding: or Unable to decide the Ip address of the Remote Server
Cause: This indicates that the Contivity Vpn Switch never responded to the relationship attempt. The question could either be with the Contivity switch itself, (switch may be down) or your motor may be having a question resolving the Ip address.
Action: Try pinging your destination name (Example: Vpn.something.com). If you received a message that says "Request Timed Out" from the ping command, call your Isp to make sure that their Dns is functioning correctly.
Q2 Error Message: Maximum estimate of sessions reached
Cause: This indicates that the maximum estimate of users for the list you are using are currently logged on.
Action: If you are the only user with Vpn to your account, it is possible to get this error if you restarted a relationship immediately after losing the dial-up relationship to your Isp. This is because the Contivity Vpn Switch takes up to one hour to decide that your relationship has been dropped and log you off from your account.
Q3 Error Message: Login failed, Please consult the switch log for additional information
Cause: The User Name or the Password is incorrect for the user name entered.
Action: Verify that the User Name you entered is accurate and retype the Password before trying the relationship again.
Q4 Error Message: The bodily relationship has been lost
Cause: Your relationship to your Isp was disconnected.
Action: Re-establish your relationship to your Isp before you re-establish the Contivity relationship to the remote network.
Q5 Error Message: The gain Contivity relationship has been lost
This message can result due to a estimate of different reasons, and there are any recommended actions you can take to try and re-connect.
Cause(s):
If you receive this error before the client connects then something is blocking a needful port (such as Esp port 50). This can result if your firewall is not configured properly and is restricting the needful port(s).
If you receive this error while a relationship and you suddenly get the error it may mean one of the following:
1. Something ended the connection;
2. The Vpn Contivity switch where you were trying to associate to opinion your client was down or timed out;
3. Your local Isp did something that interrupted your network relationship long adequate for the Vpn Contivity switch to recognize your client was not responding;
4. The Vpn Contivity switch that you are related to has either logged your relationship off or the Switch is no longer responding, or a gadget that does not maintain Ipsec Nat Traversal is causing the relationship failure.
Action(s):
1. Try re-establishing the Contivity relationship by clicking the associate button. If this works, the relationship was probably lost due to the Idle Timeout configured on the Contivity Vpn Switch. If no data is transferred straight through the Contivity relationship for a long duration of time, 15 minutes or more, the Contivity Vpn Switch automatically disconnects the connection;
2. If you were unable to successfully re-establish the Contivity Connection, the dial-up relationship may be preventing data from traveling in the middle of the Contivity Vpn Client and the Contivity Vpn Switch. Hang up the dial-up relationship and reconnect before you try to re-establish a relationship to the Contivity Vpn Switch;
3. If you are still unable to associate to the Contivity Vpn Switch, open a Command Prompt and try pinging the Contivity Vpn Switch using the host name or address that you specified in the Destination field.
(a) If you receive a "Destination Unreachable error" there is a routing question at the Isp.
(b) If you receive a "Request Timed Out" error message, the Contivity Vpn Switch is probably not available, and you should perceive your Network Administrator.
4. If you keep getting this message and are unable to connect, then it may indicate that the Contivity Vpn Switch is unable to recap with the client because it is behind some kind of Nat (Network Address Translation) device. Nat (Network Address Translation) Traversal allows a estimate of devices on a private network to way the Internet simultaneously without each requiring its own external Ip address. Most hotels and airports that provide Internet connectivity use Nat to associate to the Internet.
Q6 Error Message: Cannot Alter Routing Table
Cause: Message means the you the user, an application on your machine, or your Isp attempted to change the routing table via an Icmp redirect effort and it was not successful. The client detects the effort to make the change, determines it's a protection breach and shuts down the client's connection. Any time you make a Vpn connection, you cannot change the routing table, because the Vpn Client views this as a protection risk and you will get disconnected.
Some applications want an Icmp redirection in order to work such as a game or other third party software.
Action: If you receive this error and cant associate due to an Icmp redirect attempt, shut down any other applications you are using which may be causing the Icmp redirect attempt. If it is the Isp that is doing it, you will need to block the Icmp redirect request. You can recognize that Icmp redirect has occurred, by seeing a message saying there has been an Ip address routing table change.
Q7 Error Message: Receiving Banner Text Information
Cause: Message means you are experiencing a Banner Sock issue, and will see a window displaying the "Receiving Banner Text" message and then gets disconnected.
Actions:
1. Disable the firewall fully to test. This is a port 500 issue and often means that the you have a personal Firewall that is blocking port 500 or you have a router that does not maintain Ipsec pass-through, and the you are connecting to a Vpn switch that does not have Nat Traversal enabled.
2. If using wireless, temporarily remove Wireless from the picture and focus on the Ethernet card. Check the Ethernet card speed and duplex parameters and then make sure that the hub, switch, or router that is on the other end has the same parameters. If not, the Vpn relationship will drop as the link goes up and down, or due to a large estimate of errors on the port from a duplex and or speed mismatch.
3. Firewall that blocks the connection, such that ideas will crash. (This will rarely happen) Nsdf (Norton Symantec Desktop Firewall) and Nspf (Norton Symantec Personal Firewall) can do this though, if you do not trust the Ip address of the Vpn connection.
If you do not trust the Vpn address of the Vpn client, the firewall will cause you to crash. In your Internet browser click on "Tools > Internet Options > protection > Trusted Sites > Sites" and add the destination Vpn address(es) to your trusted sites.
Q8 Error Message: You already have the maximum estimate of adapters installed
Cause: You may have installed to many virtual adapters in your Ip Stack
Actions:
1. remove any unnecessary adapters;
2. Generate multiple boot scenarios disabling the adapters that are not required for that function;
3. You may also get Banner Sock errors on Win 95 & 98 units with this condition;
4. For more information, see this Microsoft article: Kb217744: Unable to Bind Protocols to More Than 5 Network Adapters (copy and paste into the search tool bar > enter).
Q9 Upgrade Errors: The following are some errors that may occur when trying to upgrade / install the Nortel Vpn Client 4.65
Error (1): Failed to get Registry key value for Nt_Ipsecshm
Cause: This is caused because an prominent registry key that cannot be found in the ideas registry.
Actions:
1. Uninstall and Reinstall the Vpn Software
Error (2): Login Failure due to: Driver Failure
Cause: This is ordinarily caused by either not having Admin possession to the Pc or by trying to install/use a Nortel Vpn client that predates the operating system.
Actions:
1. Ensure that you have admin possession to the Pc.
2. Update/Install the most current version of the Nortel Vpn client.
Error (3): Generate socket failed with 10048.
Cause: This question ordinarily will occur whenever you have other Vpn client software installed on the system. The most noted conflicting clients are: Aol, Cisco Vpn Client(s), Ssh Sentinel and Pgp.
Actions:
1. Removing these clients will in most cases, decide the issue.
(3) Vpn Modems Troubleshooting Guide
Q1 Are Cable Modems supported for Vpn Access?
Yes, you can use cable modems for Vpn access. Any way you must be aware of the following conditions and be able to work within them:
*Some cable modems want that you log into an Nt network to get authenticated.
*Some cable modems use a client similar to the Extranet Client for Vpn and both will not run at the same time.
*Some cable modem Contracts/Acceptable Use Policies specify that you cannot use them for company purposes or they want to fee you other fee to use them for company purposes. Make sure you read your covenant thoroughly.
*Your Cable modem supplier is your Isp. Please see the Vpn-connection-guide.html">Isp Troubleshooting Guide for more information.
Q2 Why does my modem seem to Perform erratically?
Always make sure that you do not let the operating ideas settle on a generic modem. If required, go to the appropriate web site for the seller of the modem and get the updated Inf file so that the proper parameters are configured for the modem.
Q3 Why do I all the time seem to get a slower relationship speed than others with the same modem?
1. all the time check the modem configuration to verify that its maximum speed has been selected.
2. It is common when auto-installing modems that the top speed is not selected automatically.
3. Do not check the box that says run at maximum speed only.
Q4 I plugged my modem into the phone line at the hotel or customers office and now it does not work.
Always make sure that the phone line you are plugging into when visiting somewhere is an analog line not a digital one. Plugging into a digital line can permanently damage your modem, requiring a change unit. To avoid these situations please perceive the local site phone maintain personnel.
Q5 Why cant I get a 56Kb V.90 relationship from some locations that I go to?
Here are some of the reasons why you might not get a 56K connection:
1. You are settled more than 3 ½ miles from your telephone companys central office (Co).
2. A Slick or Subscriber Loop ideas is used in your area.
3. You are calling from a digital Pbx system, which creates a Digital to Analog conversion and then an Analog to Digital conversion.
4. Your line contains digital pads or Robbed Bit Signaling (Rbs), which can degrade your relationship speeds.
5. Your wiring may be of poor quality.
6. Your modem's firmware may not be up-to-date. Check that your modem has the newest V.90 code installed with all the patches from the vendor's web site.
Q6 Why cant I get higher speed on my 56K v.90 modem into some Nag?
Here are some possible reasons:
1. A 56k v.90 modem is asymmetric by construct where download speed can be as much as 56k but upload speed will be up to 33.6bps. For 56k to work, there must be only one analog-to-digital (A/D) conversion in your local phone loop. Thus when modems at both ends are analogue, 56k speeds will never be achieved as most Pstn exchanges run digital routing in the middle of the exchanges.
2. Some Nag sites use analog phone lines with Cisco and appropriate 56k modems, and most Pc's dial-ups use a similar modem. in the middle of the two modems, it limits the download speed to about 33.6kbps maximum.
3. Also, many users might perceive lower relationship speeds due to other reasons, such as more poor line quality. These factors will also lead to the capability and speed of the line.
(4) Vpn Isp Troubleshooting Guide
Q1 If you are getting the message "Unable to decide the Ip address of the Remote Server. Verify the Host Name in the destination field is correct." when trying to associate with the Extranet Client.
Try pinging your destination name (Example: Vpn.something.com) and if it fails call your Isp to make sure that their Dns is functioning correctly.
Q2 Why do I get No Domain ready when dialing my Isp?
On your Internet aid Providers (Isp) dial connection. Right click the mouse and settle on the properties button. Click on the Server Type tab and make sure that the Log On To Network box is unchecked.
Q3 Why do I seem to be running moderately straight through my Vpn connection?
Try turning off the Software Compression selection on your Internet aid Providers (Isp) dial relationship as the Vpn client has it's own compression. Right click the mouse and settle on the properties button. Click on the Server Type tab and uncheck the
Q4 I keep getting busy signals when trying to associate to my Isp, what should I do?
Contact your Isp giving the numbers you are trying to associate to. Many times you will find that can give you an alternate estimate not published yet that will work just fine. If not you may need to find other Isp that provides better service.
Q5 When configuring the dial icon for my Isp what should I put in the Dns/Wins settings?
Your Isp should provide you with the Dns/Wins settings of your dial connection. Most only give you Dns, in this case just leave the Wins settings blank.
Q6 Why when I load the Extranet Client on my Pc and Winpoet is installed on my motor it crashes or does not work properly?
There are issues running Winpoet software on the Pc with the Nortel Extranet (Vpn) Client.
To mend your system, boot in safe mode and uninstall the Winpoet Software.
A straightforward clarification is to install the Linksys Befsr41 hardware router. It has a firmware Pppoe connector, which eliminates Winpoet from the Pc and provides the added advantage a Nat firewall with the capability to hook up to three other Pcs.
A second selection is to find a Pppoe Client that does not interfere with Vpn Clients.
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