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Diffstat (limited to 'static/netbsd/man4/agr.4')
| -rw-r--r-- | static/netbsd/man4/agr.4 | 172 |
1 files changed, 172 insertions, 0 deletions
diff --git a/static/netbsd/man4/agr.4 b/static/netbsd/man4/agr.4 new file mode 100644 index 00000000..d3c98902 --- /dev/null +++ b/static/netbsd/man4/agr.4 @@ -0,0 +1,172 @@ +.\" $NetBSD: agr.4,v 1.12 2023/10/11 11:00:17 wiz Exp $ +.\" +.\" Copyright (c)2005, 2007 YAMAMOTO Takashi, +.\" All rights reserved. +.\" +.\" Redistribution and use in source and binary forms, with or without +.\" modification, are permitted provided that the following conditions +.\" are met: +.\" 1. Redistributions of source code must retain the above copyright +.\" notice, this list of conditions and the following disclaimer. +.\" 2. Redistributions in binary form must reproduce the above copyright +.\" notice, this list of conditions and the following disclaimer in the +.\" documentation and/or other materials provided with the distribution. +.\" +.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND +.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE +.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS +.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) +.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT +.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY +.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF +.\" SUCH DAMAGE. +.\" +.\" ------------------------------------------------------------ +.Dd February 23, 2010 +.Dt AGR 4 +.Os +.\" ------------------------------------------------------------ +.Sh NAME +.Nm agr +.Nd link aggregation pseudo network interface driver +.\" ------------------------------------------------------------ +.Sh SYNOPSIS +.Cd pseudo-device agr +.\" ------------------------------------------------------------ +.Sh DESCRIPTION +.Em The driver described in this manual page is obsolete +.Em and will be removed from a future version of the system. +.Pp +.Xr lagg 4 +.Em should be used instead. +.Pp +The +.Nm +driver provides link aggregation functionality (a.k.a. L2 trunking +or bonding). +.Pp +It supports the IEEE 802.3ad Link Aggregation Control Protocol +(LACP) and the Marker Protocol. +.Pp +The +.Nm +driver supports the following link specific flags for +.Xr ifconfig 8 : +.Bl -tag -width "-link0" +.It Cm link0 +Use the round-robin distribution algorithm. +Don't use it unless you're really sure, +because it violates the frame ordering rule. +.It Cm -link0 +Use the default distribution algorithm, which is based on the hash +of DA/SA, TCI, and, if available, some upper layer protocol +information like +.Xr ip 4 +DA/SA. +.It Cm link1 +Disable LACP. +Prevents any LACP or Marker messaging which leaves +the ports in the default static configuration. +Set this prior to adding ports. +.El +.\" ------------------------------------------------------------ +.Sh EXAMPLES +Create an +.Nm +interface, +.Sy agr0 , +and attach +.Sy re0 +and +.Sy re1 +to it. +In other words, aggregate +.Sy re0 +and +.Sy re1 +so that they can be used as a single interface, +.Sy agr0 . +The physical interfaces which are attached to the +.Nm +interface must not have any IP addresses, neither IPv4 nor IPv6. +.Bd -literal -offset indent + ifconfig re0 inet xxx.xxx.xxx.xxx delete + ifconfig re0 inet6 fe80::xxxx:xxxx:xxxx:xxxx delete + ifconfig re1 inet xxx.xxx.xxx.xxx delete + ifconfig re1 inet6 fe80::xxxx:xxxx:xxxx:xxxx delete + + ifconfig agr0 create + ifconfig agr0 agrport re0 + ifconfig agr0 agrport re1 +.Ed +.Pp +Destroy an interface created in the above example. +.Bd -literal -offset indent + ifconfig agr0 -agrport re0 + ifconfig agr0 -agrport re1 + ifconfig agr0 destroy +.Ed +.\" ------------------------------------------------------------ +.Sh SEE ALSO +.Xr lagg 4 , +.Xr ifconfig 8 +.\" ------------------------------------------------------------ +.Sh STANDARDS +IEEE 802.3ad Aggregation of Multiple Link Segments +.\" ------------------------------------------------------------ +.Sh HISTORY +The +.Nm +driver first appeared in +.Nx 4.0 +and was obsoleted in +.Nx 10.0 . +.Pp +The +.Nm +driver will be removed from +.Nx 11.0 . +.\" ------------------------------------------------------------ +.Sh AUTHORS +The +.Nm +driver was written by +.An YAMAMOTO Takashi . +.\" ------------------------------------------------------------ +.Sh BUGS +There is no way to configure LACP administrative variables, including +system and port priorities. +The current implementation of the +.Nm +driver always performs active-mode LACP and +uses 0x8000 as system and port priorities. +.Pp +The +.Nm +driver uses the MAC address of the first-added physical +interface as the MAC address of the +.Nm +interface itself. +Thus, removing the physical interface and using it for another purpose +can result in non-unique MAC addresses. +.Pp +The current implementation of the +.Nm +driver doesn't prevent unsafe operations like some ioctls against +underlying physical interfaces. +Such operations can result in unexpected behaviors, and are strongly +discouraged. +.Pp +There is no way to configure +.Nm +interfaces without attaching physical interfaces. +.Pp +Physical interfaces being added to the +.Nm +interface shouldn't have any addresses except for link level address. +Otherwise, the attempt will fail with +.Dv EBUSY . +Note that it includes an automatically assigned IPv6 link-local address. |
