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Creating a Point-to-Point Connection Between Two Netopia T-1 Routers

NIR_037

This quickquide details configuration of a point-to-point connect between two Netopia T-1 routers over a working leased line or in a test bench scenario.

Parameters

Below is a list of hardware and firmware loads that this Technical Note is based upon:

Hardware Firmware/Version
Netopia 4522 5.3.7 and later
Netopia 4622-XL 5.3.7 and later
Netopia R5300/R5300-T 4.8.4 and later

Assumptions

  • You are configuring two Netopia T-1 routers.
  • You are configuring a Point-to-Point WAN connection between two locations.
  • You are running current Netopia Firmware applicable to your hardware platform. To update your router firmware, go to our firmware update page.

Before you start

  • Establish a serial connection to the Netopia router's console using a communications program such as HyperTerminal or Z-Term. The settings should be 9600 Baud, 8 Data Bits, and 1 Stop Bit. Disable flow control.
  • Alternatively, you can use Telnet over your LAN to get to the console screens.
  • For detailed instructions on using Hyperterminal, Z-Term, or Telnet, please see Netopia Quick Guide NQG_21.

Tips

  • Do not change any settings other than the ones referred to below.
  • Pressing Return takes you into a page; pressing Escape takes you out.
  • Press Return after entering each setting to save it.
  • Both locations are referred to as Netopia A and Netopia B. Each router will need a Connection Profile for the opposite location.

Step-by-Step configuration

This configuration allows the IP connection between Netopia A and Netopia B. You may change the IP parameters in the following configuration to match the IP subnets your routers are actually addressed for. However, you must first confirm your routers are indeed addressed on two different IP subnets, as the following example illustrates. Note R-series Netopia routers do not have a bridge mode. You must have routable subnets on both sides of your connection or utilize proxy arp. We will assume for purposes of this technote that you are setting up a routed connection. For more information on ProxyARP and Netopia Routers, please see the following technote:

NIR_015: ProxyARP and Netopia Routers

Start from the Main Menu for both routers. Any field which is not specified to be changed should be left at its default value.

Netopia A Netopia B
1. Go to Easy-Setup
  • Line Encoding B8ZS
  • Number of DS0 Channels: 24
  • Channel Data Rate...Nx64k
  • Data Link Encapsulation PPP
1. Go to Easy-Setup
  • Line Encoding B8ZS
  • Number of DS0 Channels: 24
  • Channel Data Rate...Nx64k
  • Data Link Encapsulation PPP
2. Go to Next Screen.
  • Tab Address Translation Enabled to No.
  • IP Addressing... Unnumbered
  • Remote IP Address: 192.168.2.1
  • Remote IP Mask:255.255.255.0
  • PPP Authentication... to None.
  • Go to Next Screen
2. Go to Next Screen.
  • Tab Address Translation Enabled to No.
  • IP Addressing... Unnumbered
  • Remote IP Address: 192.168.1.1
  • Remote IP Mask:255.255.255.0
  • PPP Authentication... to None.
  • Go to Next Screen
3. Go to Next Screen
  • Ethernet IP Address: 192.168.1.1
  • Ethernet Subnet Mask: 255.255.255.0
  • Default IP Gateway: 192.168.2.1
  • IP Address Serving: Disabled
3. Go to Next Screen
  • Ethernet IP Address: 192.168.2.1
  • Ethernet Subnet Mask: 255.255.255.0
  • Default IP Gateway: 192.168.1.1
  • IP Address Serving: Disabled
4. Go back to the Main Menu by hitting Escape three times.
  • Go to Quick Menus
  • then Line Configuration
  • then T1 (Wan Module 1) Setup
  • arrow down to Clock Source...
  • change the Clock Source to Network
4. Go back to the Main Menu by hitting Escape three times.
  • Go to Quick Menus
  • then Line Configuration
  • then T1 (Wan Module 1) Setup
  • arrow down to Clock Source...
  • change the Clock Source to Internal
5. Go back to the Main Menu by hitting Escape three times.
  • Go to Utilities and Diagnostics...
  • then Restart System...
  • then Continue
  • the router will now reboot...
5. Go back to the Main Menu by hitting Escape three times.
  • Go to Utilities and Diagnostics...
  • then Restart System...
  • then Continue
  • the router will now reboot...

After the routers have been rebooted you should be able to ping from router to router. This will have conclude the use of this technote for a point to point configuration.

NOTE: If you have another gateway router providing internet access at one of the point to point locations then you may need to change the configuration.

In the case of an Internet router (Router B in the diagram above) at the main site a static route must be created. This is in order for traffic to return to the remote network where Netopia B is located. For static routing you need to add a static route in Router B for Netopia B's network via the Ethernet interface of Netopia A. The default gateway of Netopia A will need to point to Router B's Ethernet Interface at the main site.


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