[OpenAFS] OpenAFS, Dreamweaver and VPN

Douglas E. Engert deengert@anl.gov
Thu, 26 Mar 2009 12:48:26 -0500

With OpenAFS-1.4.8 on Mac OS 10.5.6 how can I set the max mtu to
be less then 1292?

Jeffrey Altman wrote:
> Douglas E. Engert wrote:
>> We are having some issues using Dreamweaver (Adobe web design tool)
>> with its data stored in AFS when used from off site via Cisco VPN.
>> We are seeing this in a Mac client but have seen similar issues on Windows
>> too.
>> The machines work fine when connected locally, so I am speculating that
>> there
>> is some time out issue with Dreamweaver if the network is slow, or AFS
>> is slow
>> in retrieving data over a slower then normal network.
>> Has anyone seen any issues with Dreamweaver and AFS?
> As soon as you say Cisco VPN I have to ask "which version" and "what
> is the max mtu size that you can send across the VPN"?
> Cisco VPN software prior to version 5.0 requires that the max mtu
> of the AFS client be set at a value smaller than 1292.  Otherwise
> the packets are fragmented and dropped.
> Jeffrey Altman


  Douglas E. Engert  <DEEngert@anl.gov>
  Argonne National Laboratory
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