SUMMARY: Problem with SPARC-5 with two ethernet interfaces

From: Alfred Correira (unisql!alfred@cs.utexas.edu)
Date: Wed Feb 22 1995 - 10:30:45 CST


Original post:

> We have a Sparc-5 with two ethernet intefaces. The le0 interface is connected
> to the Internet via some ISDN hardware. The le1 interface is connected to the
> internal network via 10baseT. At unpredictable intervals, le1 hangs in this
> fashion: no incoming calls (i.e., from some other machine to this one) can be
> initiated, but sessions in progress proceed normally and ping, telnet, etc.,
> work fine _from_ this system _to_ anywhere else. Inetd claims that it can't
> register the service(s) because they time out.
>
> For instance, right now I can telnet or ftp from the Sparc-5 system with the two
> interfaces to an internate network host, but that host can neither telnet or
> ftp to the Sparc-5. A telnet session will get
>
> Trying w.x.y.z
> Connected to host
> Escape character is '^]'.
>
> and the session then hangs.
>
> After some random interval (several minutes to several hours :( ) the problem
> ``goes away''.
>
> During these incidents connectivity over le0 is unaffected.
>
> We've tried swapping in an le1 from another workstation (a Sparc-20) without
> any noticable change in behavior.
>
> OS version / patch info:
> SunOS 4.1.3_U1 Version B
> Patches:
> 101954-03
> 101508-06
> 101509-02
> 100444-58
> 100448-02
> 100452-61
> 100478-01
> 101434-03
> 101436-02
> 101440-01
> 101579-01
> 101587-01
> 101621-02
> 101665-02
> 101679-01
> 101558-02
> 101625-02
>
> Any help would be greatly appreciated; I generate a summary if I get anything
> worth summarizing :-) :-)

Thanks for replies from:

poffen@San-Jose.ate.slb.com (Russ Poffenberger)
don@alaska.opensys.COM (Don Lenamond)

Summary:

There is a known bug with inetd sometimes running out of file descriptors.

There are le0 and inetd patches. One we had already installed, but at a lower
rev level.

We installed them both. So far, so good.

The patches are:

Patch-ID# 101954-05 (for le0)
Patch-ID# 101618-01 (for inetd)

--
alfred
Internet: Alfred.Correira@unisql.com
    UUCP: cs.utexas.edu!unisql!Alfred.Correira

A synonym is a word you use when you can't spell the word you first thought of. -- Burt Bacharach



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