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Thread: Re: Problems with netgraph




Re: Problems with netgraph
country flaguser name
Finland
2008-05-10 09:39:19
Alexander Motin wrote:
> Oleksandr Samoylyk wrote:
>> Julian Elischer wrote:
>>>  this may be the issue:
>>>   http://
www.nabble.com/GRE-Mux-td16201899.html
>>
>> I think so. Should we hope for some progress in
this direction in future?
> 
> This is not an issue any more for mpd.
> Originally multiplexing based on peers addresses by
socket binding and 
> connecting was used. There was only problem with
multiplexing multiple 
> calls inside the same tunnel (having the same peer
addresses).
> Recent time (ng_pptpgre.c rev. 1.41 of Mar 24 2008) I
have improved 
> ng_pptpgre node to do multiplexing alike to the ng_l2tp
node does and 
> the latest mpd-5.1 is able to use this feature when it
is present at a 
> build time.
> 

  * $FreeBSD: src/sys/netgraph/ng_pptpgre.c,v 1.40.2.1
2008/03/30 
08:01:26 mav Exp $

-- 
  Oleksandr Samoylyk
  OVS-RIPE
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Re: Problems with netgraph
country flaguser name
Ukraine
2008-05-10 09:55:23
Oleksandr Samoylyk wrote:
> Alexander Motin wrote:
>> Oleksandr Samoylyk wrote:
>>> Julian Elischer wrote:
>>>>  this may be the issue:
>>>>   http://
www.nabble.com/GRE-Mux-td16201899.html
>>>
>>> I think so. Should we hope for some progress in
this direction in 
>>> future?
>>
>> This is not an issue any more for mpd.
>> Originally multiplexing based on peers addresses by
socket binding and 
>> connecting was used. There was only problem with
multiplexing multiple 
>> calls inside the same tunnel (having the same peer
addresses).
>> Recent time (ng_pptpgre.c rev. 1.41 of Mar 24 2008)
I have improved 
>> ng_pptpgre node to do multiplexing alike to the
ng_l2tp node does and 
>> the latest mpd-5.1 is able to use this feature when
it is present at a 
>> build time.
>>
> 
>  * $FreeBSD: src/sys/netgraph/ng_pptpgre.c,v 1.40.2.1
2008/03/30 
> 08:01:26 mav Exp $

As I can see you have build mpd before system build.
Probably mpd was 
built on a system without this feature present yet:

# uname -a
FreeBSD xxx.xxxxxxxxx.xxx 7.0-STABLE FreeBSD 7.0-STABLE #0:
Sat May  3
12:40:02 EEST 2008
xxxxx at xxx.xxxxxxxxx.xxx:/usr/obj/usr/src/sys/XXXX  amd64

# mpd5 -v
Version 5.1 (root at xxx.xxxxxxxxx.xxx 09:53  1-May-2008)

Try to rebuild mpd to be sure it uses this feature. Also you
can check 
this by observing the name of any ng_pptpgre hook used. If
it is 
"upper", then ng_pptpgre multiplexing is not used
and if it is 
"session_hhhh" then OK.

-- 
Alexander Motin
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