SYNOPSIS

In netgraph/ng_fec.h

DESCRIPTION

The fec node implements Ethernet port trunking using the ``Cisco Fast EtherChannel'' protocol. Upon creation, a fec node creates a network interface associated with it. Interfaces are named ``fec0 '' ``fec1 '' etc. New nodes take the first available unit.

HOOKS

The fec node accepts any hooks. However it does not use them. Under normal operation, a fec node should not have any hooks.

CONTROL MESSAGES

Interface membership in the FEC group is configured with the following control messages:

NGM_FEC_ADD_IFACE (add_iface )

Attach interface to the FEC group. The target interface name is passed as a string argument.

NGM_FEC_DEL_IFACE (del_iface )

Remove interface from the trunk. The target interface name is passed as a string argument.

The following control messages define the forwarding method for a node:

NGM_FEC_SET_MODE_MAC (set_mode_mac )

Forwarding decisions will be based on the link-layer MAC address of the destination.

NGM_FEC_SET_MODE_INET (set_mode_inet )

Forwarding decisions will be based on the IP address of the destination.

SHUTDOWN

This node shuts down upon receipt of a NGM_SHUTDOWN control message.

EXAMPLES

The following example script creates an fec node, attaches four Ethernet interfaces to it and sets the forwarding method to be IP-address based:

/usr/sbin/ngctl -f- << SEQ
        mkpeer fec dummy fec
        msg fec0: add_iface "dc0"
        msg fec0: add_iface "dc1"
        msg fec0: add_iface "dc2"
        msg fec0: add_iface "dc3"
        msg fec0: set_mode_inet
SEQ

HISTORY

The fec node type was implemented in Fx 5.0 .

AUTHORS

An -nosplit The fec node was written by An Bill Paul Aq [email protected] . This manual page was written by An Gleb Smirnoff Aq [email protected] .