From 8120b2f78445152497907b4d929393995f6e0b98 Mon Sep 17 00:00:00 2001 From: Justin Pettit Date: Fri, 3 Apr 2009 22:52:57 -0700 Subject: [PATCH] Mention SPAN and RSPAN in vswitchd.conf man page. The terms SPAN and RSPAN are often used in what we call mirroring. This change points out how to achieve SPAN and RSPAN configurations using our mirroring syntax. --- vswitchd/vswitchd.conf.5.in | 11 +++++++---- 1 file changed, 7 insertions(+), 4 deletions(-) diff --git a/vswitchd/vswitchd.conf.5.in b/vswitchd/vswitchd.conf.5.in index b9127eb5..1a00efe3 100644 --- a/vswitchd/vswitchd.conf.5.in +++ b/vswitchd/vswitchd.conf.5.in @@ -197,9 +197,11 @@ with physical network devices \fBeth2\fR and \fBeth3\fR: .fi .RE -.SS "Port Mirroring" +.SS "Port Mirroring (SPAN and RSPAN)" \fBvswitchd\fR may be configured to send selected frames to special -``mirrored'' ports, in addition to their normal destinations. +``mirrored'' ports, in addition to their normal destinations. Mirroring +traffic may also be referred to as SPAN or RSPAN, depending on the +mechanism used for delivery. .PP Up to 32 instances of port mirroring may be configured on a given bridge. Each must be given a name that is unique within the bridge. @@ -250,7 +252,7 @@ part of \fIbridge\fR; that is, it must be listed on Specifying a \fIport\fR in this way reserves that port exclusively for mirroring. No frames other than those selected for mirroring will be forwarded to \fIport\fR, and any frames received on \fIport\fR will be -discarded. +discarded. This type of mirroring may also be referred to as SPAN. .TP \fBmirror.\fIbrname\fB.\fIpmname\fB.output.vlan = \fIvid\fR . @@ -260,7 +262,8 @@ will be sent out all ports that trunk VLAN \fIvid\fR, as well as any ports with implicit VLAN \fIvid\fR. When a mirrored frame is sent out a trunk port, the frame's VLAN tag will be set to \fIvid\fR, replacing any existing tag; when it is sent out an implicit VLAN port, the frame -will not be tagged. +will not be tagged. This type of mirroring may also be referred to as +RSPAN. .ST "Example" The following \fBvswitchd\fR configuration copies all frames received on \fBeth1\fR or \fBeth2\fR to \fBeth3\fR. -- 2.30.2