package vpnc severity 575188 normal thanks You should be able to work around the problem by creating a custom script which sets INTERNAL_IP4_MTU to 88 less than the mtu reported by ip route. Full instructions for using a custom script are in /usr/share/doc/vpnc/README.gz under "Using a modified script".
It's really easy and it's expected usage of the package that for proper connectivity you may need to set these values in a custom script. However, I do agree that debian should know about its own 'ip route' output enough that you shouldn't have to do this, which is why I'm only marking this bug 'normal' instead of 'grave', and not just closing it. Eric
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