From: Ciprian Niculescu <ciprian@promo.ro>
To: lartc@vger.kernel.org
Subject: Re: [LARTC] priority for voip
Date: Mon, 01 Jul 2002 22:30:21 +0000 [thread overview]
Message-ID: <marc-lartc-102560198724364@msgid-missing> (raw)
In-Reply-To: <marc-lartc-102551036413186@msgid-missing>
priorize udp trafic, or based on tos, if previously marked by the system
C
ganesh kumar godavari wrote:
>
> hello stef,
> this is the information i got from microsoft website
> (http://support.microsoft.com/default.aspx?scid=kb;EN-US;q158623)
>
>
> ***************************
> NetMeeting uses the following Internet Protocol (IP) ports:
> Port Purpose
> -------------------------------------
> 389 Internet Locator Server [Transmission Control Protocol (TCP)]
> 522 User Location Server (TCP)
> 1503 T.120 (TCP)
> 1720 H.323 call setup (TCP)
> 1731 Audio call control (TCP)
> Dynamic H.323 call control (TCP)
> Dynamic H.323 streaming [Realtime Transport Protocol (RTP) over
> User Datagram Protocol (UDP)]
> To establish outbound NetMeeting connections through a firewall, the
> firewall must be configured to do the following:
> Pass through primary TCP connections on ports 522, 389, 1503, 1720 and
> 1731.
>
> Pass through secondary UDP connections on dynamically assigned ports
> (1024-65535).
> *******************************
>
> so as u can see there is no way of determining the port if it were dynamic
>
> any pointers in this regard would be helpful
>
> thanks
> ganesh
>
>
> On Tue, 02 Jul 2002 Stef Coene wrote :
>
>> On Monday 01 July 2002 21:12, ganesh kumar godavari wrote:
>> > hai stef,
>> > i looked into your docum.org and lartc.org. for information on
>> > giving high priority for voice packets.
>> > i did check with the netfilter group for information on
>> > identifying if a packet is a voice/data packet.
>> >
>> > i received no response from them. so can u please tell me how i
>> > can identify if a packet is a voice/data packet so that i can
>> > mangle it and send to high priority queue.
>> I have no idea how you can identify voip packets. Is it using a fixed
>> dst
>> port of maybe host so you can use that in the filter?
>>
>> Stef
>>
>> --
>>
>> stef.coene@docum.org
>> "Using Linux as bandwidth manager"
>> http://www.docum.org/
>> #lartc @ irc.openprojects.net
>
>
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>
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prev parent reply other threads:[~2002-07-01 22:30 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-07-01 7:57 [LARTC] priority for voip ganesh kumar godavari
2002-07-01 10:16 ` Stef Coene
2002-07-01 22:30 ` Ciprian Niculescu [this message]
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