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Back-to-Back SHDSL-Connection for IP-Routing with bintec R3800
This FAQ describes a 8 wire SHDSL connection between two locations using the routing mode.


Conditions:
  • Both locations have different IP Networks.
  • The SHDSL line works with a transit network.
  • The described 9,2 Mbit/s SHDSL connection is established via an 8 wire cable between the routers.
  • Both routers have software revision 7.3.6

Configuration bintec R3800 at location 1
The local IP address of the router is 192.168.0.254 with netmask 255.255.255.0 in this example.

To configure the SHDSL Interface you should open the Menu “SHDSL”. You have to change the “Equipment Type” to “Central Office (CO)” and the option “Wire Mode” to “8 wire IMA”.

R3800 Setup Tool                        Funkwerk Enterprise Communications GmbH
[SHDSL 8-WIRE][FCCA-3-0 PIN 4-5]: SHDSL settings                          r3800
_______________________________________________________________________________

          Physical Connection:          not established

          Equipment Type:               Central Office (CO)     

          Operating Mode:               region 2 (Annex B)

          Wire Mode:                    8 wire IMA

          Clock Rate Mode:              adaptive
          Minimum Rate (kbit/s):          768
          Maximum Rate (kbit/s):         9248

                    SAVE                               CANCEL
_______________________________________________________________________________
Following settings are configured in the menu "ATM" -> "Ethernet over ATM".

R3800 Setup Tool                        Funkwerk Enterprise Communications GmbH
[ATM][ETHOA][EDIT]                                                        r3800
_______________________________________________________________________________

     Description                        1-32 bridged-no-fcs            

     ATM Interface                      fcca-3-0

     Virtual path identifier (VPI)      1
     Virtual channel identifier (VCI)   32

     Encapsulation                      bridged-no-fcs

     IP and Bridging >

     MAC Address                        00a0f98cc47a

                    SAVE                               CANCEL
_______________________________________________________________________________
Open the menu “IP and Bridging” to configure the IP address for the transit network.

R3800 Setup Tool                        Funkwerk Enterprise Communications GmbH
[ATM][ETHOA][EDIT][IP]: Configure Ethernet over ATM                       r3800
_______________________________________________________________________________

      IP-Configuration            Manual             
           local IP-Number        10.10.10.1
           local Netmask          255.255.255.0
           Second Local IP-Number
           Second Local Netmask
           Encapsulation          Ethernet II

      MAC Address

      Bridging                    disabled
      Advanced Settings >
      Virtual Interfaces >

                SAVE                               CANCEL
_______________________________________________________________________________
Add the following route in the menu "IP" -> "Routing" to reach the network of the second location:

R3800 Setup Tool                        Funkwerk Enterprise Communications GmbH
[IP][ROUTING][EDIT]                                                       r3800
_______________________________________________________________________________

  Route Type                  Network route                                  
  Network                     LAN                            

  Destination IP-Address      192.168.10.0       
  Netmask                     255.255.255.0

  Gateway IP-Address          10.10.10.2
  Metric                      1

                    SAVE                               CANCEL
_______________________________________________________________________________
Configuration bintec R3800 at location 2
The local IP address of the router is changed to 192.168.10.254 with netmask 255.255.255.0 in the menu "Fast Ethernet".


The SHDSL interface is configured according to the previous router except the option "Equipment Type" which has to be set to "Customer Premise (CPE)".

R3800 Setup Tool                        Funkwerk Enterprise Communications GmbH
[SHDSL 8-WIRE][FCCA-3-0 PIN 4-5]: SHDSL settings                          r3800
_______________________________________________________________________________


          Physical Connection:          not established

          Equipment Type:               Customer Premise (CPE)  

          Operating Mode:               region 2 (Annex B)

          Wire Mode:                    8 wire IMA

          Clock Rate Mode:              adaptive
          Minimum Rate (kbit/s):          768
          Maximum Rate (kbit/s):         9248

                    SAVE                               CANCEL
_______________________________________________________________________________
The ATM settings are analog to the other router:

R3800 Setup Tool                        Funkwerk Enterprise Communications GmbH
[ATM][ETHOA][EDIT]                                                        r3800
_______________________________________________________________________________


     Description                        1-32 bridged-no-fcs            

     ATM Interface                      fcca-3-0

     Virtual path identifier (VPI)      1
     Virtual channel identifier (VCI)   32

     Encapsulation                      bridged-no-fcs

     IP and Bridging >

     MAC Address                        00a0f98cc448

                    SAVE                               CANCEL
_______________________________________________________________________________
The IP address of the transit network will be configured in the menu “IP and Bridging”:

R3800 Setup Tool                        Funkwerk Enterprise Communications GmbH
[ATM][ETHOA][EDIT][IP]: Configure Ethernet over ATM                       r3800
_______________________________________________________________________________

      IP-Configuration            Manual             
           local IP-Number        10.10.10.2
           local Netmask          255.255.255.0
           Second Local IP-Number
           Second Local Netmask
           Encapsulation          Ethernet II

      MAC Address

      Bridging                    disabled
      Advanced Settings >
      Virtual Interfaces >

                SAVE                               CANCEL
_______________________________________________________________________________
In order to reach the network of the first location it is necessary to add the following route in the menu "IP" -> "Routing":

R3800 Setup Tool                        Funkwerk Enterprise Communications GmbH
[IP][ROUTING][ADD]                                                        r3800
_______________________________________________________________________________

  Route Type                  Network route                                  
  Network                     LAN                            

  Destination IP-Address      192.168.0.0        
  Netmask                     255.255.255.0      

  Gateway IP-Address          10.10.10.1         
  Metric                      1   

                    SAVE                               CANCEL
_______________________________________________________________________________
Messages during connection establishment:
02:37:32 DEBUG/ATM: shdsl3-2: RSTATE SYNCING
02:37:32 DEBUG/ATM: shdsl3-3: RSTATE SYNCING
02:37:32 DEBUG/ATM: shdsl3-0: Link RX signal: SNR Margin -1 dB, Attn 3 dB
02:37:32 DEBUG/ATM: shdsl3-0: Link cell delineation state sync
02:37:32 DEBUG/ATM: shdsl3-0: RSTATE SHOWTIME
02:37:32 DEBUG/ATM: shdsl3-0: Bitrate 2304000 bps
02:37:32 DEBUG/ATM: shdsl3-1: Link RX signal: SNR Margin -1 dB, Attn 3 dB
02:37:32 DEBUG/ATM: shdsl3-2: Link RX signal: SNR Margin -1 dB, Attn 3 dB
02:37:32 DEBUG/ATM: shdsl3-3: Link RX signal: SNR Margin -1 dB, Attn 3 dB
02:37:33 DEBUG/ATM: shdsl3-0: Link RX signal: SNR Margin 23 dB, Attn 2 dB
02:37:33 DEBUG/ATM: shdsl3-1: Link RX signal: SNR Margin 23 dB, Attn 2 dB
02:37:33 DEBUG/ATM: shdsl3-2: Link RX signal: SNR Margin 22 dB, Attn 3 dB
02:37:33 DEBUG/ATM: shdsl3-3: Link RX signal: SNR Margin 23 dB, Attn 2 dB
02:37:44 DEBUG/ATM: CCT[00-00]  nfc delay measurement
02:37:44 DEBUG/ATM: CCT[00-00] MPAIR_DELAY 00 0F000000
02:37:44 DEBUG/ATM: shdsl3-0: ATM link up - speed 9216000 bps

 

wg

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