From the "shoot yourself in the foot" department ...


We had some small issues trying to configure AFS file servers for correct functioning with a firewall, and -maxmtu 1260 finally fixed the problem, as it used to for older versions of Cisco VPN software on Windows. [Which is why I thought of it, thank you Mr. Altman]

After getting things working I moved data onto the fileserver behind the firewall. Of numerous Solaris 9 clients that connect via VPN and run antique cache managers (3.6 2.53) -- only two failed to function correctly. The two that failed to function either timed out when accessing volumes on the fileserver in question, or succeeded after lengthy delays.

Cause:

fileserver -maxmtu 1260
ifconfig bge0 mtu 1260

This may be immediately obvious to others, but it was the last place I looked.

Once I reset the bge0 interface to mtu 1500 everything started working.

I can't say I understand the interaction, but thought mentioning it might help someone somewhere sometime.

Cheers.

Kim



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