[2165] in Info-AFS_Redistribution

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dual network interfaces

daemon@ATHENA.MIT.EDU (Bob Dew)
Wed Nov 3 18:52:20 1993

Date: Wed,  3 Nov 1993 16:40:51 -0500 (EST)
From: Bob Dew <rdew+@alw.nih.gov>
To: Info-AFS@transarc.com


Our servers are connected to a local FDDI ring.  Also connected to the
ring are a number of special-purpose AFS clients.  These clients are
equipped with a second network interface that connects to an ethernet
subnet.

Server communications among the clients occur exclusively via the FDDI
ring, in that the clients and servers share the same subnet.  But remote
communications, such as telnet access, occur exclusively via the
ethernet interface, because the ethernet IP number is what we advertise
in the DNS as the client hostname. (Additionally, the shortest hop from
the campus backbone to the client is via the ethernet interface).

While this setup appears functional under sustained heavy use through
both network interfaces (simultaneously), we have been experiencing
peculiar problems over the span of days to weeks that lead us to
question whether the dual network configuration might somehow be
confusing the client cache manager.

Does anyone have experience running AFS clients with dual network interfaces?

Thanks,

Bob

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