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-rw-r--r--share/man/man4/if_bridge.43
1 files changed, 3 insertions, 0 deletions
diff --git a/share/man/man4/if_bridge.4 b/share/man/man4/if_bridge.4
index 4182113..45b362e 100644
--- a/share/man/man4/if_bridge.4
+++ b/share/man/man4/if_bridge.4
@@ -229,3 +229,6 @@ The
.Nm
driver currently supports only Ethernet and Ethernet-like (e.g., 802.11)
network devices, with exactly the same interface MTU size as the bridge device.
+.Pp
+The bridge implements version IEEE 802.1D 1998 of the Spanning Tree Protocol so
+newer features in IEEE 802.1D 2004 such as RSTP are not available.
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