Wireshark mailing list archives
Re: How much overhead does a Wireshark capture file contain ?
From: Bill Meier <wmeier () newsguy com>
Date: Thu, 11 Feb 2010 10:26:30 -0500
Henry Meleg wrote:
So I need to measure the traffic in bytes between two endpoints. If I set up Wireshark on a laptop whose interface is enabled for promiscuous mode and specify a capture filter between the source and destination IP addresses that I am interested in and capture to a file then will that file size be an accurate reflection of the traffic between the two endpoint. Does Wireshark add any overhead to the capture file that I need to take into account by subtracting it from the captured file size to get a accurate traffic figure which I require to set up bandwidth management filters. Can anybody help ?
May I suggest using capinfos (a Wireshark tool) to get information about the capture file. Example output from capinfos File name: [...] File type: NA Sniffer (Windows) 2.00x File encapsulation: Ethernet Number of packets: 27796 File size: 3979202 bytes Data size: 2867234 bytes Capture duration: 55732 seconds Start time: Mon Nov 17 11:10:59 2003 End time: Tue Nov 18 02:39:50 2003 Data byte rate: 51.45 bytes/sec Data bit rate: 411.58 bits/sec Average packet size: 103.15 bytes Average packet rate: 0.50 packets/sec SHA1: 042a82ca1d53abbfebff210d9a1eb7121bd531b2 RIPEMD160: 444e0a11404e2424d51ab3c915d9c684b06b721a MD5: b044be576c4206885a4165eae3264d29 See the capinfos man page.... ___________________________________________________________________________ Sent via: Wireshark-users mailing list <wireshark-users () wireshark org> Archives: http://www.wireshark.org/lists/wireshark-users Unsubscribe: https://wireshark.org/mailman/options/wireshark-users mailto:wireshark-users-request () wireshark org?subject=unsubscribe
Current thread:
- How much overhead does a Wireshark capture file contain ? Henry Meleg (Feb 11)
- Re: How much overhead does a Wireshark capture file contain ? Jeff Morriss (Feb 11)
- Re: How much overhead does a Wireshark capture file contain ? Henry Meleg (Feb 11)
- Re: How much overhead does a Wireshark capture file contain ? Bill Meier (Feb 11)
- Re: How much overhead does a Wireshark capture file contain ? Bill Meier (Feb 11)
- Re: How much overhead does a Wireshark capture file contain ? Henry Meleg (Feb 11)
- Re: How much overhead does a Wireshark capture file contain ? Bill Meier (Feb 11)
- Re: How much overhead does a Wireshark capture file contain ? Jeff Morriss (Feb 11)