Re: [Openvpn-users] Re: OpenVPN failing over GPRS [was: (no subject)]

[glynn t. <gt...@dc...>]

Tom Monaco wrote:

>One of the users I support is having the same problem (I think). 
>Since the connection established fine, I just assumed that the
>software the GPRS card uses under Windows ignores changes to the
>routing table after the GPRS link is brought up.
>
>I'll be thrilled if it's just an MTU setting...but in that case, would
>not the GPRS interface just fragment them for you?
>
>-Tom
>
>
>On Sat, 26 Mar 2005 20:15:50 -0600, Charles Duffy <cd...@sp...> wrote:
>  
>
>>On Sun, 27 Mar 2005 09:42:49 +0800, lilixinCQU wrote:
>>
>>    
>>
>>>HELP !
>>>I test openvpn V2  in ADSL ,all is ok. But when a client use GRPS,it's
>>>wrong.Can anyone give advice?
>>>      
>>>
>>Well, you're not really giving enough information for a useful diagnosis.
>>That said, I'd try tuning your MTU settings -- likely GPRS doesn't allow
>>very large UDP packets.
>>
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>>    
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>
>
>  
>

Just to shine a ray of hope without adding anything to the technical side of this discussion: I use OpenVPN all the time over Verizon EVDO from Linux (Suse9.2Pro) and Windows XP Pro.  I did not make any MTU or other changes to get it to work.

gt

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