ITEM: AE8541L

Bootp network interface problems from a gateway machine - sa tag

Question:


   Env: AIX 3.2.5  xstation manager 1.4  xstation model 130

   Desc: After adding an ethernet card to the boot host machine
        on their ethernet/token-ring network, the xstation was
        unable to boot and gave the could not read configuration
        file error message.

        The network configuration is as follows.

      -----------------                     -----------------   
      |  192.192.192.2 |====================| 192.192.192.1 |   
      |  Xstation 130  |        Ethernet    |   Gateway     |
      ------------------                    |   9.11.2.2    |
                                            -----------------
                                                   ||           
                                                   || Token Ring
                                                   ||
                                            ------------------
                                            |  9.11.2.1       |
                                  Ethernet  | Boot host, which|
                                  ==========| has token \^ and |        
                                            | ethernet adapter|
                                            |  192.192.193.1  |
                                            -------------------
        
        
   Action: I had Louis put bootp in debug and we discovered that
        the boot host was putting in the ethernet IP address
        for the boopt_siaddr instead of the correct token-ring address.

        I contacted Level 2 who suggested that we add
        the sa flag to the network type line of the /etc/bootptab
        file to force the bootpd to talk out of the token-ring interface.

        example /etc/bootptab entry with the sa flag added:

        x_st_mgr.tok130:ht=tr:hd=/etc/x_st_mgr:bf=tok130:T170=2328:sa=9.11.2.1:

        
        After adding this line the Xstation 130 booted successfully.

  

 



Support Line: Bootp network interface problems from a gateway machine - sa tag ITEM: AE8541L

Dated: January 1995 Category: N/A

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