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Network Horror - SCO

Weird one this. I have a network 126.x.x.x My server and all devices on the network are 126.x.x.x with subnet 255.0.0.0 I can see certain 126.x.x.x devices but some I can't The PC's can all see each other and the network prniters, but UNIX can only see a random selection. Heylp !!!!!! Cheers, Chaz...

  1. #1

    Default Network Horror

    Weird one this.

    I have a network 126.x.x.x

    My server and all devices on the network are 126.x.x.x with subnet
    255.0.0.0

    I can see certain 126.x.x.x devices but some I can't

    The PC's can all see each other and the network prniters, but UNIX can
    only see a random selection.

    Heylp !!!!!!

    Cheers,

    Chaz
    Chaz Guest

  2. #2

    Default Re: Network Horror

    Chaz <co.uk> wrote: 
     
     
     
     

    Truly random? Sure your mask is 255.0.0.0 ?

    --
    com Unix/Linux/Mac OS X resources: http://aplawrence.com
    Get paid for writing about tech: http://aplawrence.com/publish.html
    tony@aplawrence.com Guest

  3. #3

    Default Re: Network Horror

    How many devices are we talking about? a whole class A subnet?

    Mike

    "Chaz" <co.uk> wrote in message
    news:google.com... 


    Mikhael Guest

  4. #4

    Default Re: Network Horror

    Chaz wrote: 

    Perhaps you have one of those horrible switches that negotiates 10 or
    100 mbps for ALL ports at once? The machines that do show up - are they
    all 10 or all 100mbps??

    Maybe you put a hub closest to your server and switches her away -
    this always gets me into trouble...

    /dev/null Guest

  5. #5

    Default Re: Network Horror

    To add to the help request, I maybe should have added that the problem
    I am getting is on a UnixWARE 7.1.1 box, although I do have an OSR5
    box on the network which is not exhibiting any of these problems.
    Chaz Guest

  6. #6

    Default Re: Network Horror

    In article <google.com>,
    Chaz <co.uk> wrote: 
     

    Just because the 96.0.0.0 thru 126.255.255.255 is a reserverd
    block doesn't mean you should use them.

    Use the public blocks as the day the 126.x.x.x gets assinged you
    will have to renumber everything you have.
     
     

    You give not details. And since the 126.0.0.0 is a reserved block
    and isn't assinged [see Arin on that] you need to give more
    details.
     

    Are you saying you can not reach these machine by pinging the IP.

    What do your routing tables look like.

    Where does default or 0.0.0.0 point to?



    --
    Bill Vermillion - bv wjv . com
    Bill Guest

  7. #7

    Default Re: Network Horror

    Thanks for the reply, Bill.

    Now then.

    Obviously, I cannot give out the public IP address, but I have done a
    couple of route adds so that a 128.x.x.x external WAN can see via the
    gateway, and I have tried a route add 0.0.0.0 through the same gateway
    to try to acheive the desired result.

    For whatever reason, Win95 and Win98 machines can see the server and
    vice-versa, but WinME and WinXP machines can not.

    Also, I have installed UW7 in many places and not come across this
    before, but I feel I am missing something.

    In answer to your question on Routing tables, if you are referring to
    the arp structure, it looks fine, but cannot see the MAC address of
    the machines I am talking about.

    I can neither ping the devices nor can they ping me.

    Cheers,

    Chaz.
    comREMOVE (Bill Vermillion) wrote in message news:<com>... 

    >
    > Just because the 96.0.0.0 thru 126.255.255.255 is a reserverd
    > block doesn't mean you should use them.
    >
    > Use the public blocks as the day the 126.x.x.x gets assinged you
    > will have to renumber everything you have.


    >
    > You give not details. And since the 126.0.0.0 is a reserved block
    > and isn't assinged [see Arin on that] you need to give more
    > details.

    >
    > Are you saying you can not reach these machine by pinging the IP.
    >
    > What do your routing tables look like.
    >
    > Where does default or 0.0.0.0 point to?[/ref]
    Chaz Guest

  8. #8

    Default Re: Network Horror

    In article <google.com>,
    Chaz <co.uk> wrote: 
     
     

    If you are not going to give the real address in the posts be sure
    to mention you are using obfuscated addresses.

    Are all your address on the same subnet?
     

    Are the 95/98 on the same subnet as the ME and XP? In the past
    I've noted that some MS products totally ignore a netmask and will
    use a gateway anywhere inside the full block and not from just
    within the netmasked block as they are supposed to do. I've not
    used the XP so I have no clue. I just remembered that when I'd set
    up mixed networks for trade shows with mixtures of various MS
    products, Apple machines, and various brands of routers underneath
    the main blocks. Some days it was less than fun.
     
     

    The IP gets the MAC and communications are MAC to MAC so if you
    cant' seem the MAC you won't see anything.

    How many machines are you talking about on this network? How many
    subnets? Any intervening routers or smart switches.

     
    >> 
    >>
    >> Just because the 96.0.0.0 thru 126.255.255.255 is a reserverd
    >> block doesn't mean you should use them.
    >>
    >> Use the public blocks as the day the 126.x.x.x gets assinged you
    >> will have to renumber everything you have.
    >> 
    >> 
    >>
    >> You give not details. And since the 126.0.0.0 is a reserved block
    >> and isn't assinged [see Arin on that] you need to give more
    >> details.
    >> 
    >>
    >> Are you saying you can not reach these machine by pinging the IP.
    >>
    >> What do your routing tables look like.
    >>
    >> Where does default or 0.0.0.0 point to?[/ref][/ref]


    --
    Bill Vermillion - bv wjv . com
    Bill Guest

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