Red Hat Bugzilla – Bug 464810
Cannot set mtu for pptp connections
Last modified: 2013-01-09 06:22:20 EST
Description of problem:
My cable provider uses pptp to tunnel to the ISP. However, the connection will not work well with the default MTU, so I need some way to override the pptp mtu.
Version-Release number of selected component (if applicable):
Steps to Reproduce:
1. Open pptp vpn config dialog
2. look for mtu
Any idea what your MTU needs to be? The testing builds of NM-pptp will set the MTU to 1400, which is the same value Windows XP and Windows Vista clients use.
I have a dispatched.d script that sets it to 1150. I can binary search it to a more accurate value, but need some way of clearing the pmtu cache so I don't need to reboot my end after each test.
Reporter, are you still running Fedora 9, or have you upgraded to Fedora 10 or
Rawhide? In either case, can you let us know whether the issue is still
happening, and give the current version of the kernel and NM packages you're
using. Thank you.
Fedora Bugzappers volunteer triage team
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