[Info-vax] Update to TCP/IP problem with Alpha VMS 8.4

[vmsmangler at earthlink.net]

On Apr 14, 9:37 am, Neil Rieck <n.ri... at sympatico.ca> wrote:
> On Apr 4, 6:58 pm, "vmsmang... at earthlink.net"
>
>
>
>
>
> <vmsmang... at earthlink.net> wrote:
> > I am really embarassed about my original post. I know I should have
> > provided a great deal more information. Since I have been working with
> > and using VMS since 5.4 I know how important it is to have complete
> > information. So, here goes.
>
> > The Alphaserver DS20 has 1 GB memory, 1 cpu, and a mylex raid
> > controller. DRA0 is the VMS 7.3.2 system disk, DRA1 is a spare disk,
> > and DRA2 is a 3 member RAID 5 device with a spare drive.
>
> > The Apple iMac G5 is a Power Mac with 1 GB memory.
>
> > Both systems have a hosts file, TCPIP$HOST.DAT on the DS20 and etc/
> > hosts on the iMac. Here is the contents of that file and is the same
> > for both systems.
>
> > 10.1.1.1 cougar Cougar COUGAR
> > 10.1.1.3 imacg5 Imacg5 IMACG5
> > 10.1.1.10 printserver Printserver PRINTSERVER
>
> > Both systems and the Printserve are connected to a 5 port network
> > switch. 2 printers are attached to the Printserver, a laserjet and an
> > inkjet.
> > Both systems can print to both printers and can also ping each other
> > and the Printserver.
>
> > To prepare for the 8.4 upgrade I did an image backup from DRA0: to
> > DRA1:. I also did an image backup of DRA0: to mag tape.
> > The intent is to Upgrade DRA0: from 7.3-2 to 8.4.
>
> > This will be fairly long so I am going to break it down into several
> > smaller posts.
>
> > Again, my apologies to everyone who replied.
>
> > Bill LaCounte, aka VMSmangler
>
> Not sure if you are still having a problem, but remember than PING is
> a low level tool which does not involve TCP or UDP. This means if you
> can't "PING by ADDRESS" (pinging by name sometimes introduces other
> problems like typos in your host file, DNS problems, etc.) then you
> can forget about all the other stuff. At this point there are only a
> few things that make any difference:
>
> 1) your IP address
> 2) your NET mask
> 3) maybe your MAC address
>
> Going back to basics for a moment, remember that there are only a
> couple of decision points here:
> 1) use the netmask to compare your address with the destination
> address. This tells the stack if the destination is on is on your
> subnet or not.
> 2) if the destination device is not on your subnet, then you need to
> locate the nearest gateway which will handle the request for you. If
> you know the address of the gateway then you will still need to use
> ARP to locate the gateway's MAC address.
> 3) if on your subnet, then use ARP to determine the MAC address of he
> destination device.
> (I still remember a 5-day Synoptics class on networking back in 1992
> where the instructor forced us to learn the following mantra which was
> recited before every lecture: "All communications is done at the MAC
> layer)
>
> Okay so you say the Mac it working properly. Get a copy of WireShark
> (replaces Ethereal) and use it to monitor the traffic between the
> Alpha and the Printserver. Can you see the ARP request and response?
> Can you see the MAC-to-MAC ping and response?
>
> p.s. be sure to inspect the netmask of all devices involved.
>
> Just my 2 cents worth :-)
>
> Neil Rieck
> Kitchener / Waterloo / Cambridge,
> Ontario, Canada.http://www3.sympatico.ca/n.rieck/

On April 5th I submitted this information:

@sys$manager:tcpip$config
I selected Core services and got this information:

HP TCP/IP Services for OpenVMS Interface & Address Configuration Menu
Hostname Details: Configured=cougar, Active=cougar
Configuration options:
   0  -  Set The Target Node (Current Node: COUGAR)
   1  -  WE0 Menu (EWA0: TwistedPair 100mbps)
   2  -  10.1.1.1/24         COUGAR                Configured,Active
  [E] -  Exit menu
Enter configuration option:

I then did this:

TCPIP> ifconfig -a
LO0: flags=100c89<UP,LOOPBACK,NOARP,MULTICAST,SIMPLEX,NOCHECKSUM>
     inet 127.0.0.1 netmask ff000000 ipmtu 4096
TN0: flags=80<NOARP>
TN1: flags=80<NOARP>
WE0: flags=c43<UP,BROADCAST,RUNNING,MULTICAST,SIMPLEX>
    *inet 10.1.1.1 netmask ffffff00 broadcast 10.1.1.255 ipmtu 1500

localhost is set to 127.0.0.1

Herre is the host database:

10.1.1.1 cougar Cougar COUGAR
10.1.1.3 imacg5 Imacg5 IMACG5
10.1.1.10 printserver Printserver PRINTSERVER

I am back in the Seattle area and have the iMac with me. I won't be
able to use the DS20 until Tuesday when I get home to Coeur d'Alene,
Idaho.