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NGM_FEC_SET_MODE_(MAC|INET). Approved by: re@ (bmah)
110 lines
3.4 KiB
Groff
110 lines
3.4 KiB
Groff
.\" Copyright (c) 2004 Gleb Smirnoff
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.\" All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.\" $FreeBSD$
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.\"
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.Dd July 22, 2004
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.Dt NG_FEC 4
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.Os
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.Sh NAME
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.Nm ng_fec
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.Nd netgraph Fast EtherChannel node
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.Sh SYNOPSIS
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.In netgraph/ng_fec.h
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.Sh DESCRIPTION
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The
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.Nm fec
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node implements Ethernet port trunking using the
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.Dq Cisco Fast EtherChannel
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protocol.
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Upon creation, a
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.Nm fec
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node creates a network interface associated with it.
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Interfaces are named
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.Dq Li fec0 ,
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.Dq Li fec1 ,
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etc.
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New nodes take the first available unit.
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.Sh HOOKS
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The
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.Nm fec
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node accepts any hooks.
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However it does not use them.
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Under normal operation, a
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.Nm fec
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node should not have any hooks.
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.Sh CONTROL MESSAGES
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Interface membership in the FEC group is configured with the following
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control messages:
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.Bl -tag -width indent
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.It Dv NGM_FEC_ADD_IFACE Pq Dq Li add_iface
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Attach interface to the FEC group.
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The target interface name is passed as a string argument.
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.It Dv NGM_FEC_DEL_IFACE Pq Dq Li del_iface
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Remove interface from the trunk.
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The target interface name is passed as a string argument.
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.El
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.Pp
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The following control messages define the forwarding method for a node:
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.Bl -tag -width indent
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.It Dv NGM_FEC_SET_MODE_MAC Pq Dq Li set_mode_mac
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Forwarding decisions will be based on the link-layer MAC address of the destination.
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.It Dv NGM_FEC_SET_MODE_INET Pq Dq Li set_mode_inet
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Forwarding decisions will be based on the IP address of the destination.
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.El
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.Sh SHUTDOWN
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This node shuts down upon receipt of a
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.Dv NGM_SHUTDOWN
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control message.
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.Sh EXAMPLES
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The following example script creates an
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.Nm fec
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node, attaches four Ethernet interfaces to it and
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sets the forwarding method to be IP-address based:
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.Bd -literal -offset indent
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/usr/sbin/ngctl -f- << SEQ
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mkpeer fec dummy fec
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msg fec0: add_iface "dc0"
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msg fec0: add_iface "dc1"
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msg fec0: add_iface "dc2"
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msg fec0: add_iface "dc3"
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msg fec0: set_mode_inet
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SEQ
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.Ed
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.Sh SEE ALSO
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.Xr netgraph 4
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.Sh HISTORY
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The
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.Nm fec
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node type was implemented in
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.Fx 5.0 .
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.Sh AUTHORS
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.An -nosplit
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The
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.Nm fec
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node was written by
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.An "Bill Paul" Aq wpaul@FreeBSD.org .
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This manual page was written by
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.An "Gleb Smirnoff" Aq glebius@FreeBSD.org .
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