[Winpcap-users] winpcap performance

[Charu Agrawal]

yes

 

From: winpcap-users-bounces at winpcap.org
[mailto:winpcap-users-bounces at winpcap.org] On Behalf Of Gianluca Varenni
Sent: Wednesday, January 21, 2009 11:27 AM
To: winpcap-users at winpcap.org
Subject: Re: [Winpcap-users] winpcap performance

 

I guess you are using a gigabit card, right?

 

GV

	----- Original Message ----- 

	From: Charu Agrawal <mailto:cagrawal at altasens.com>  

	To: winpcap-users at winpcap.org 

	Sent: Wednesday, January 21, 2009 9:08 AM

	Subject: RE: [Winpcap-users] winpcap performance

	 

	Hello,

	 

	I am sending 30MB frame in nearly 22000 packets.

	 

	Yes. All frames are IP frames.

	I am trying to increase the efficiency of the system to like 2
frames per second. 

	Is there any way to do that ?

	 

	Thanks

	Charu

	From: winpcap-users-bounces at winpcap.org
[mailto:winpcap-users-bounces at winpcap.org] On Behalf Of Gianluca Varenni
	Sent: Tuesday, January 20, 2009 5:24 PM
	To: winpcap-users at winpcap.org
	Subject: Re: [Winpcap-users] winpcap performance

	 

	 

		----- Original Message ----- 

		From: Charu Agrawal <mailto:cagrawal at altasens.com>  

		To: winpcap-users at winpcap.org 

		Sent: Wednesday, January 14, 2009 5:40 PM

		Subject: [Winpcap-users] winpcap performance

		 

		Hi,

		 

		I am trying to get the best performance out of winpcap
library.

		 

		We are capturing huge frames(each frame is 30 MB) over
the Ethernet interface using winpcap library.

		 

	What do you mean by "30MB frame"?? A frame over Ethernet has a
maximum size of roughly 1500 bytes. Do you mean "conversation"?

		 

		I need to apply filtering to capture only relevant
frames. I use the following filter.

		 

		"src  192.168.x.x"

		 

		I am using a 1Gig dedicated Ethernet interface for the
packet capture. 1 frame comprises of nearly 22,330 packets ( for the
30MB frame).

		 

		I am able to capture 1 frame in nearly 20s. If I remove
the filtering time improves to 5s. 

		 

	What do you mean by that? Are all the frames IP frames? what's
the L4 protocol?

	 

	GV

		 

		But I need to use the filtering to get only specific
packets.

		Is there an alternate way to do this ? is there some way
I can improve the performance ?

		 

		I greatly appreciate your help

		 

		Thanks

		Charu Agrawal

		
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