Re: Fw: [Bugme-new] [Bug 1148] New: when using ipsec with DSL connections communication will hang if mtu is 1500(the default value)

From
Michael Richardson <hidden>
Date
2003-08-26 20:59:42
quoted
quoted
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"Andrew" == Andrew Morton [off-list ref] writes:
    Andrew> Distribution:
    Andrew> Hardware Environment:
    Andrew> Software Environment:
    Andrew> Problem Description:

    Andrew> Steps to reproduce: 
    Andrew> Startup a tunneling connection, if one of the gw interfaces has
    Andrew> mtu=1500, 
    Andrew> communication will hang after transfering some data through
    Andrew> tunnel. As far as I 
    Andrew> know the problem will occure with DSL connections only.

  If by "DSL", you mean PPPoE, then you are dealing with layers of tunnels.

  This sure sounds like a classif pmtud blackhole problem.

]      Out and about in Ottawa.    hmmm... beer.                |  firewalls  [
]   Michael Richardson, Sandelman Software Works, Ottawa, ON    |net architect[
] mcr@sandelman.ottawa.on.ca http://www.sandelman.ottawa.on.ca/ |device driver[
] panic("Just another Debian/notebook using, kernel hacking, security guy");  [
Thread (2 messages) 2 messages, 2 authors, last reply 2003-08-27
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