Nortel IP Phones I2004 and 1140e lose connectivity
Our IP phones lose connection and does re-connect to the Sig. server. They will go through the retry and then says DHCP server unreachable. We have separatesubnets and VLANs for the IP phones. We are doing Full DHCP, 802.1Q. We have verified everything on the network switches, power, Portfast, available IP address on the DHCP server, lease times are set for 3 months on that subnet,
, a manual reboot has to be performed before the phones come back on-line. It doesn't happen everyday but occasionally. The last time is happen over 100 phones had the issue. We are suspecting there an issue with the DHCP server but not sure... any suggestions
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Add a computer to your network, and install Microsoft Windows Server on that computer, and enable its "DHCP-server" component. Then, this computer will supply IP-addresses for all the other computers connected to your switch.
The switch is _NOT_ a DHCP-server; therefore, you need to add a DHCP-server.
1. Reset the phone by disconnecting and re-connecting power.
2. When the Nortel logo appears, press each of the four soft keys in sequence.
3. If no other configuration changes are required, press OK repeatedly until the “PC
Port? 1-ON 0-0FF” option appears.
4. Press 1 to enable the PC Port or 0 to disable the PC Port.
5. Select OK to confirm the change.
6. Restart the IP Phone.
When the IP Phone is restarted, the firmware sets the PC Port status accordingly
The Netopia Is a business-class router. Not clear from you question are you running Small Business Server or Windows Server 2003? If its the former, it has a wizard that will configure your LAN & the Netopia.
You can configure the Local IPs on the Netopia in the DHCP settings in expert mode.
The VP (VOIP?) phones are acting as a DHCP server & re-configure the network to their defaults.
Any 1/2 decent IT person (witth some real qualifications) could figure straiten this out...beware of "Techs"
Nortel Contivity will work with the your D-Link router, however its functionality depends on the authentication type (AH will not work), NAT compatibilty mode, and disabling keep alives on the server. Contact your Network Administrator to find out how your VPN is configured.
Step 1 Verify that you are using the latest version of firmware on your router.
Step 2 Login to the Web Management for your router by entering its IP address (192.168.0.1) in your web browser. The default username is admin, and the password is blank.
Step 3 Click the Advanced Tab to access the Virtual Server Settings. There is a list of pre-defined Virtual Server Rules towards the bottom of the page. Find the IPSec Rule. Click the pen and paper icon to edit its settings. Enable the rule, enter the IP address of the computer attempting to connect to the VPN in the Private IP field, then Apply the changes.
Step 4 Create a new Virtual Server entry. Name the Virtual Server, "NortelVPN". Enter the IP address of the computer attempting to connect to the VPN in the Private IP field. For the Protocol Type, select Both. Enter 9550 for both the Public and Private Ports. Set the Schedule to always, then Apply the settings.
Step 5 Access the Tools Page, then click the Misc button. Disable IPSec Pass-through, then click Apply.
If the VPN Server is properly configured to work with clients behind NAT routers you should be able to connect to the VPN.