Differential D549 Diff 977 share/man/man4/lagg.4

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share/man/man4/lagg.4

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	.Ic laggport Ar child-iface			.Ic laggport Ar child-iface
	option and removed using the			option and removed using the
	.Ic -laggport Ar child-iface			.Ic -laggport Ar child-iface
	option.			option.
	.Pp			.Pp
	The driver currently supports the aggregation protocols			The driver currently supports the aggregation protocols
	.Ic failover			.Ic failover
	(the default),			(the default),
	.Ic fec ,
	.Ic lacp ,			.Ic lacp ,
	.Ic loadbalance ,			.Ic loadbalance ,
	.Ic roundrobin ,			.Ic roundrobin ,
				.Ic broadcast ,
	and			and
	.Ic none .			.Ic none .
	The protocols determine which ports are used for outgoing traffic			The protocols determine which ports are used for outgoing traffic
	and whether a specific port accepts incoming traffic.			and whether a specific port accepts incoming traffic.
	The interface link state is used to validate if the port is active or			The interface link state is used to validate if the port is active or
	not.			not.
	.Bl -tag -width loadbalance			.Bl -tag -width loadbalance
	.It Ic failover			.It Ic failover
	Sends traffic only through the active port.			Sends traffic only through the active port.
	If the master port becomes unavailable,			If the master port becomes unavailable,
	the next active port is used.			the next active port is used.
	The first interface added is the master port;			The first interface added is the master port;
	any interfaces added after that are used as failover devices.			any interfaces added after that are used as failover devices.
	.Pp			.Pp
	By default, received traffic is only accepted when they are received			By default, received traffic is only accepted when they are received
	through the active port.			through the active port.
	This constraint can be relaxed by setting the			This constraint can be relaxed by setting the
	.Va net.link.lagg.failover_rx_all			.Va net.link.lagg.failover_rx_all
	.Xr sysctl 8			.Xr sysctl 8
	variable to a nonzero value,			variable to a nonzero value,
	which is useful for certain bridged network setups.			which is useful for certain bridged network setups.
	.It Ic fec
	Supports Cisco EtherChannel.
	This is an alias for
	.Ic loadbalance
	mode.
	.It Ic lacp			.It Ic lacp
	Supports the IEEE 802.1AX (formerly 802.3ad) Link Aggregation Control Protocol			Supports the IEEE 802.1AX (formerly 802.3ad) Link Aggregation Control Protocol
	(LACP) and the Marker Protocol.			(LACP) and the Marker Protocol.
	LACP will negotiate a set of aggregable links with the peer in to one or more			LACP will negotiate a set of aggregable links with the peer in to one or more
	Link Aggregated Groups.			Link Aggregated Groups.
	Each LAG is composed of ports of the same speed, set to full-duplex operation.			Each LAG is composed of ports of the same speed, set to full-duplex operation.
	The traffic will be balanced across the ports in the LAG with the greatest			The traffic will be balanced across the ports in the LAG with the greatest
	total speed, in most cases there will only be one LAG which contains all ports.			total speed, in most cases there will only be one LAG which contains all ports.
	In the event of changes in physical connectivity, Link Aggregation will quickly			In the event of changes in physical connectivity, Link Aggregation will quickly
	converge to a new configuration.			converge to a new configuration.
	.It Ic loadbalance			.It Ic loadbalance
	Balances outgoing traffic across the active ports based on hashed			Balances outgoing traffic across the active ports based on hashed
	protocol header information and accepts incoming traffic from			protocol header information and accepts incoming traffic from
	any active port.			any active port.
	This is a static setup and does not negotiate aggregation with the peer or			This is a static setup and does not negotiate aggregation with the peer or
	exchange frames to monitor the link.			exchange frames to monitor the link.
	The hash includes the Ethernet source and destination address, and, if			The hash includes the Ethernet source and destination address, and, if
	available, the VLAN tag, and the IP source and destination address.			available, the VLAN tag, and the IP source and destination address.
	.It Ic roundrobin			.It Ic roundrobin
	Distributes outgoing traffic using a round-robin scheduler			Distributes outgoing traffic using a round-robin scheduler
	through all active ports and accepts incoming traffic from			through all active ports and accepts incoming traffic from
	any active port.			any active port.
				.It Ic broadcast
				Sends frames to all ports of the LAG and receives frames on any port of the LAG.
	.It Ic none			.It Ic none
	This protocol is intended to do nothing: it disables any traffic without			This protocol is intended to do nothing: it disables any traffic without
	disabling the			disabling the
	.Nm			.Nm
	interface itself.			interface itself.
	.El			.El
	.Pp			.Pp
	Each			Each
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