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| author | Zhenlei Huang <zlei@FreeBSD.org> | 2023-04-10 10:07:04 +0000 |
|---|---|---|
| committer | Zhenlei Huang <zlei@FreeBSD.org> | 2023-04-10 10:07:04 +0000 |
| commit | 3fdb40d1befe7b561e7e5fa0b5c80aac41adc50d (patch) | |
| tree | 2849d52c4c0876ca5394e07a20e88904590d6741 | |
| parent | af67f36a9288480f2545fec9f6813ed38196f41a (diff) | |
| download | src-3fdb40d1befe7b561e7e5fa0b5c80aac41adc50d.tar.gz src-3fdb40d1befe7b561e7e5fa0b5c80aac41adc50d.zip | |
bridge.4: Document the net.link.bridge.log_mac_flap sysctl variable
It was introduced in 2d3614fb132b (bridge: Log MAC address port flapping).
Reviewed by: gbe (manpages)
MFC after: 2 weeks
Differential Revision: https://reviews.freebsd.org/D39465
| -rw-r--r-- | share/man/man4/bridge.4 | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/share/man/man4/bridge.4 b/share/man/man4/bridge.4 index e5313430b407..b4dabcbb79bc 100644 --- a/share/man/man4/bridge.4 +++ b/share/man/man4/bridge.4 @@ -35,7 +35,7 @@ .\" .\" $FreeBSD$ .\" -.Dd September 7, 2022 +.Dd April 10, 2023 .Dt IF_BRIDGE 4 .Os .Sh NAME @@ -118,6 +118,15 @@ interfaces that are part of the bridge. For unicast traffic, the bridge learns which MAC addresses are associated with which interfaces and will forward the traffic selectively. .Pp +By default the bridge logs MAC address port flapping to +.Xr syslog 3 . +This behavior can be disabled by setting the +.Xr sysctl 8 +variable +.Va net.link.bridge.log_mac_flap +to +.Li 0 . +.Pp All the bridged member interfaces need to be up in order to pass network traffic. These can be enabled using .Xr ifconfig 8 |