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Conference noted::decnis

Title: DEC Network Integration Server (DECNIS)
Notice:Please read note 1 to use this conference effectively
Moderator:MARVIN::WELCH
Created:Wed Sep 18 1991
Last Modified:Thu Jun 05 1997
Last Successful Update:Fri Jun 06 1997
Number of topics:3660
Total number of notes:15082

3606.0. "ip over psdn by nis500 possible?" by HGOM22::DAVYSUN () Tue Apr 15 1997 00:43

  Hi, How are you!

  I have a customer who has probelms of configuring NIS500 to transfer tcp/ip

packets over PSDN to Sun workstations.The following is their connfiguration :

    ____  
   |    |-->vax7000
   |    |   
   |____|   (load host and x25 client)
     |
     | 
_____|__________________________________________
                                |
                                |
                             ___|____
                            |       |-->nis500 
                            |       |             
                            |_______|
                                  |     1. one static outgoing ciruit configed
                                  |---->   for decnet
                                  |     2. another circuit configured as X.25
                                x.25       dynamically routing for tcp/ip.
                              network
                              |     |
                              |     |_
                              |       |
                              |       |_______
                             sun              |
                            workstaion1        Sun workstation2

   We configure the above on port 1 of nis500. We can use decnet to sethost

to another host though the psdn by the static outgoing circuit.we also

trace the packets on the x25 dynamically routing corcuit and prove that the x.25

datalink and physical layer has no probelm. But we couldn't ping from the 

vax7000 to the sun workstation over x.25 network while the sun stations can 

communicate with each other over psdn without any probelms while we can ping

the nis500 alive.

   I'd checked the counter of the routing circuit and can't see any packets

had ever been put on this circuit.It seems that the ip layer can't communicate 

with the x.25 layer.

   Can anyone pls give me any advices ? Thank you very much in advance .


       

           Regards!


           Davy Sun


    
T.RTitleUserPersonal
Name
DateLines
3606.1MARVIN::PATELTue Apr 15 1997 05:337
When you say you have configured an X.25 circuit for dynamically routing IP, I assume
you mean a DA circuit. If this is correct have you set up the static IP reachable
addresses on the circuit ? Check the routing tables on the DECNIS and make sure it
knows how to get to the SUNs. Do the SUNs have a path back to the VAX ? Trace the
routing circuit on the DECNIS when you ping the SUN(s).
As a matter of interest why are you not using the static circuit for both IP and DECnet ?