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Date:      Sat, 20 Dec 2003 00:27:33 +0000
From:      Liam Foy <liamfoy@sepulcrum.org>
To:        freebsd-ipfw@freebsd.org
Subject:   Re: freebsd-ipfw Digest, Vol 39, Issue 3
Message-ID:  <3FE39775.6090207@sepulcrum.org>
In-Reply-To: <20031219200048.F08DF16A4F7@hub.freebsd.org>
References:  <20031219200048.F08DF16A4F7@hub.freebsd.org>

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freebsd-ipfw-request@freebsd.org wrote:

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>
>Today's Topics:
>
>   1. Re: IPFW for IPv6 (Hideki Yamamoto)
>   2. Re: IPFW for IPv6 (Luigi Rizzo)
>   3. Dummynet pipes and MRTG (Ganbold)
>
>
>----------------------------------------------------------------------
>
>Message: 1
>Date: Fri, 19 Dec 2003 08:06:02 +0900 (JST)
>From: Hideki Yamamoto <yamamoto436@oki.com>
>Subject: Re: IPFW for IPv6
>To: rizzo@icir.org
>Cc: freebsd-ipfw@freebsd.org
>Message-ID: <20031219.080602.26517061.yamamoto436@oki.com>
>Content-Type: Text/Plain; charset=us-ascii
>
>
>Dear Luigi,
>
>I am very happy to hear that you and your student are working 
>on this matter.  I hope you will release the beta or something
>as soon as possible.   
>By the way, does it run on FreeBSD 5.1 base or 4.9?
>
>Regards,
>Hideki Yamamoto 
>
>From: Luigi Rizzo <rizzo@icir.org>
>Subject: Re: IPFW for IPv6
>Date: Thu, 18 Dec 2003 08:26:05 -0800
>Message-ID: <20031218082605.A2252@xorpc.icir.org>
>
>  
>
>>On Fri, Dec 19, 2003 at 01:12:13AM +0900, Hideki Yamamoto wrote:
>>    
>>
>>>Hi, 
>>>	
>>>I am interested in ipfw for IPv6, especially on dummynet.  
>>>Does someone have information on ipfw for IPv6?  
>>>      
>>>
>>Two students of mine have a basically working version of
>>ipfw2 for ipv6 (with dummynet too). I need to review the code
>>before making patches available, though.
>>
>>In the detail, the layer2 version of the code (where ipv6 fields
>>are matched within ether_input()/ether_output(), are ok,
>>whereas the layer3 version (call from ip6input(), ip6output())
>>need a bit more debugging when used with dummynet because suspending
>>and resuming computation within ip6output() is tricky for the
>>amount of state around -- that was time consuming in ipv4 as well.
>>
>>	cheers
>>	luigi
>>    
>>
>
>------------------------------
>
>Message: 2
>Date: Fri, 19 Dec 2003 01:37:20 -0800
>From: Luigi Rizzo <rizzo@icir.org>
>Subject: Re: IPFW for IPv6
>To: Hideki Yamamoto <yamamoto436@oki.com>
>Cc: freebsd-ipfw@freebsd.org
>Message-ID: <20031219013720.C2830@xorpc.icir.org>
>Content-Type: text/plain; charset=us-ascii
>
>On Fri, Dec 19, 2003 at 08:06:02AM +0900, Hideki Yamamoto wrote:
>  
>
>>Dear Luigi,
>>
>>I am very happy to hear that you and your student are working 
>>on this matter.  I hope you will release the beta or something
>>as soon as possible.   
>>By the way, does it run on FreeBSD 5.1 base or 4.9?
>>    
>>
>
>it is 4.9 but since it is based on ipfw2 there should be
>no trouble in porting it to 5.x which is something we plan to
>do as well.
>
>	cheers
>	luigi
>
>  
>
>>Regards,
>>Hideki Yamamoto 
>>
>>From: Luigi Rizzo <rizzo@icir.org>
>>Subject: Re: IPFW for IPv6
>>Date: Thu, 18 Dec 2003 08:26:05 -0800
>>Message-ID: <20031218082605.A2252@xorpc.icir.org>
>>
>>    
>>
>>>On Fri, Dec 19, 2003 at 01:12:13AM +0900, Hideki Yamamoto wrote:
>>>      
>>>
>>>>Hi, 
>>>>	
>>>>I am interested in ipfw for IPv6, especially on dummynet.  
>>>>Does someone have information on ipfw for IPv6?  
>>>>        
>>>>
>>>Two students of mine have a basically working version of
>>>ipfw2 for ipv6 (with dummynet too). I need to review the code
>>>before making patches available, though.
>>>
>>>In the detail, the layer2 version of the code (where ipv6 fields
>>>are matched within ether_input()/ether_output(), are ok,
>>>whereas the layer3 version (call from ip6input(), ip6output())
>>>need a bit more debugging when used with dummynet because suspending
>>>and resuming computation within ip6output() is tricky for the
>>>amount of state around -- that was time consuming in ipv4 as well.
>>>
>>>	cheers
>>>	luigi
>>>      
>>>
>>_______________________________________________
>>freebsd-ipfw@freebsd.org mailing list
>>http://lists.freebsd.org/mailman/listinfo/freebsd-ipfw
>>To unsubscribe, send any mail to "freebsd-ipfw-unsubscribe@freebsd.org"
>>    
>>
>
>------------------------------
>
>Message: 3
>Date: Fri, 19 Dec 2003 19:14:39 +0800
>From: Ganbold <ganbold@micom.mng.net>
>Subject: Dummynet pipes and MRTG
>To: freebsd-ipfw@freebsd.org
>Cc: firewalls@securityfocus.com
>Message-ID: <6.0.0.22.2.20031219190701.02927da0@202.179.0.80>
>Content-Type: text/plain; charset="us-ascii"; format=flowed
>
>Hi,
>
>I need to view the traffic utilization of dummynet pipes in ipfw2. I'm 
>using FreeBSD 5.2 current.
>I'm also using MRTG to draw graphics from ipfw show rule-number command.
>Is there any method or program like MRTG to draw bandwidth utilizations of 
>dummynet pipes?
>Can I use MRTG for this purpose?
>I hope somebody in this list point me to the right direction.
>
>thanks in advance,
>
>Ganbold
>
>
>------------------------------
>
>_______________________________________________
>freebsd-ipfw@freebsd.org mailing list
>http://lists.freebsd.org/mailman/listinfo/freebsd-ipfw
>To unsubscribe, send any mail to "freebsd-ipfw-unsubscribe@freebsd.org"
>
>End of freebsd-ipfw Digest, Vol 39, Issue 3
>*******************************************
>
>  
>

On Fri, Dec 19, 2003 at 01:12:13AM +0900, Hideki Yamamoto wrote:

>Hi, 
>	
>I am interested in ipfw for IPv6, especially on dummynet.  
>Does someone have information on ipfw for IPv6?  
>  
>
Two students of mine have a basically working version of
ipfw2 for ipv6 (with dummynet too). I need to review the code
before making patches available, though.

In the detail, the layer2 version of the code (where ipv6 fields
are matched within ether_input()/ether_output(), are ok,
whereas the layer3 version (call from ip6input(), ip6output())
need a bit more debugging when used with dummynet because suspending
and resuming computation within ip6output() is tricky for the
amount of state around -- that was time consuming in ipv4 as well.

	cheers
	luigi


Once you have a somewhat stable working model of it running, I would
be pleased to test it before releasing it:).

Liam-Foy




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