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I am seeing Network Stack differences on a mac Mini OS X Mountain Lion after installing WireShark.

What does Wireshark change in the system that might also effect my applications. Default socket buffer sizes? or something like that?

What I saw before installing Wireshark were errors in a TCP/IP connection under heavy load ( maxing out the 100MB switch between the two machines ).

As soon as I installed WireShark the errors suddenly disappeared.

Any Ideas would be greatly appreciated.

asked 15 Mar '13, 14:15

kcc's gravatar image

kcc
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accept rate: 0%


What does Wireshark change in the system that might also effect my applications.

The permissions on the BPF devices, and the set of StartupItems (it installs one that changes the permissions on the BPF devices on a reboot). Those permissions have no effect on the networking stack (they're stored in the devfs file system, not in the networking stack).

Default socket buffer sizes?

No, it does not change the default socket buffer sizes or any other sysctl value.

Perhaps this is just a coincidence.

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answered 15 Mar '13, 17:32

Guy%20Harris's gravatar image

Guy Harris ♦♦
17.4k335196
accept rate: 19%

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question asked: 15 Mar '13, 14:15

question was seen: 1,698 times

last updated: 15 Mar '13, 17:32

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