Re: how to disallow nis-client to broadcast on certain interfaces

Holger.VanKoll_at_SWISSCOM.COM
Date: 09/24/04

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    Date:         Fri, 24 Sep 2004 15:51:42 +0200
To: aix-l@Princeton.EDU

    Hello,
     
     
    there are different ethernets and different ip-subnets
     
    en1:
    flags=7e080863,10<UP,BROADCAST,NOTRAILERS,RUNNING,SIMPLEX,MULTICAST,GROU
    PRT,64BIT,CHECKSUM_OFFLOAD,CHECKSUM_SUPPORT,PSEG>
            inet 10.50.242.80 netmask 0xffffff00 broadcast 10.50.242.255
            inet 10.50.242.85 netmask 0xffffff00 broadcast 10.50.242.255
    en2:
    flags=7e080863,10<UP,BROADCAST,NOTRAILERS,RUNNING,SIMPLEX,MULTICAST,GROU
    PRT,64BIT,CHECKSUM_OFFLOAD,CHECKSUM_SUPPORT,PSEG>
            inet 192.168.31.26 netmask 0xffffff00 broadcast 192.168.31.255
    en3:
    flags=7e080863,10<UP,BROADCAST,NOTRAILERS,RUNNING,SIMPLEX,MULTICAST,GROU
    PRT,64BIT,CHECKSUM_OFFLOAD,CHECKSUM_SUPPORT,PSEG>
            inet 10.254.18.160 netmask 0xfffff000 broadcast 10.254.31.255

    en1 is where nis should talk to
    en2 is ip-heartbeat (hacmp)
    en3 is separate backup-network.
     
    nis binds to a host in en3-network and i want to restrict it to en1
    10.50.242/24
     

    ________________________________

    From: IBM AIX Discussion List [mailto:aix-l@Princeton.EDU] On Behalf Of
    Chafik,Basim
    Sent: Friday, September 24, 2004 3:17 PM
    To: aix-l@Princeton.EDU
    Subject: Re: how to disallow nis-client to broadcast on certain
    interfaces

    Holger,
     
    Are the network interfaces on different subnets or networks and it still
    doing this ?
     

    Basim Chafik
    Senior Systems Analyst
    IBM Certified Advanced Technical Expert (CATE)
    1.800.688.4895
    basim.chafik@plx.com
    plexus (Division of BancTec)

            -----Original Message-----
            From: Holger.VanKoll@SWISSCOM.COM
    [mailto:Holger.VanKoll@SWISSCOM.COM]
            Sent: Friday, September 24, 2004 4:34 AM
            To: aix-l@Princeton.EDU
            Subject: how to disallow nis-client to broadcast on certain
    interfaces
            
            

            Hello,

            to me it looks like that a nis-client broadcasts on all
    available interfaces for a nis-server.

            I want to disallow ypbind to broadcast on en2 (f.e.)

            Does anybody know how to do this?

            Regards,

            Holger

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