20030919: LDM - HPUX 10.20 - ldmping

Mark,

> To: address@hidden
> From: "Mark M. Ziemer" <address@hidden>
> Subject: LDM - HPUX 10.20 - ldmping
> Organization: UCAR/Unidata

The above message contained the following:

> Institution: NOAA NWS NCRFC
> Package Version: 5.2.2
> Operating System: HPUX 10.20
> Hardware Information: HP 9000 J Class
> Inquiry: While trying to troubleshoot transfer problems have found that
> I an not able to ldmping all of the servers in network.
> 
> I am able to ldmping some ldm servers on two different networks, but
> not all.  I have not checked all of the other servers, but the ones I
> have can ldmping to me.  I can traceroute to the firewalls for all ldm
> servers.

Your situation is consistent with a misconfigured firewall.  A firewall
between two LDM-s must not restrict packets whose source OR destination
port is 388.  Check with your network administrators to verify this
condition.

Regards,
Steve Emmerson