X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;ds=sidebyside;f=vswitchd%2Fovs-vswitchd.8.in;h=9d66a61c7d6d15a1fb100efe565fdaf0f8c9c5b3;hb=5ca1ba484bd9ade5116a49cf241cb98219d7d696;hp=516e6da774da485fb8daeeea54df46c53cefd285;hpb=80df177a5f624a84f4c97bbe913511726c3e9bb8;p=sliver-openvswitch.git diff --git a/vswitchd/ovs-vswitchd.8.in b/vswitchd/ovs-vswitchd.8.in index 516e6da77..9d66a61c7 100644 --- a/vswitchd/ovs-vswitchd.8.in +++ b/vswitchd/ovs-vswitchd.8.in @@ -111,11 +111,25 @@ Causes \fBovs\-vswitchd\fR to gracefully terminate. .IP "\fBqos/show\fR \fIinterface\fR" Queries the kernel for Quality of Service configuration and statistics associated with the given \fIinterface\fR. -.IP "\fBcfm/show\fR \fIinterface\fR" +.IP "\fBcfm/show\fR [\fIinterface\fR]" Displays detailed information about Connectivity Fault Management -configured on \fIinterface\fR. +configured on \fIinterface\fR. If \fIinterface\fR is not specified, +then displays detailed information about all interfaces with CFM +enabled. +.IP "\fBcfm/set-fault\fR [\fIinterface\fR] \fIstatus\fR" +Force the fault status of the CFM module on \fIinterface\fR (or all +interfaces if none is given) to be \fIstatus\fR. \fIstatus\fR can be +"true", "false", or "normal" which reverts to the standard behavior. +.IP "\fBstp/tcn\fR [\fIbridge\fR]" +Forces a topology change event on \fIbridge\fR if it's running STP. This +may cause it to send Topology Change Notifications to its peers and flush +its MAC table.. If no \fIbridge\fR is given, forces a topology change +event on all bridges. .SS "BRIDGE COMMANDS" These commands manage bridges. +.IP "\fBfdb/flush\fR [\fIbridge\fR]" +Flushes \fIbridge\fR MAC address learning table, or all learning tables +if no \fIbridge\fR is given. .IP "\fBfdb/show\fR \fIbridge\fR" Lists each MAC address/VLAN pair learned by the specified \fIbridge\fR, along with the port on which it was learned and the age of the entry, @@ -144,15 +158,15 @@ value are then assigned to a single slave. .IP "\fBbond/list\fR" Lists all of the bonds, and their slaves, on each bridge. . -.IP "\fBbond/show\fR \fIport\fR" -Lists all of the bond-specific information about the given bonded -\fIport\fR: updelay, downdelay, time until the next rebalance. Also -lists information about each slave: whether it is enabled or disabled, -the time to completion of an updelay or downdelay if one is in -progress, whether it is the active slave, the MAC hashes assigned to -the slave, and the MAC learning table entries that hash to each MAC. -Any LACP information related to this bond may be found using the -\fBlacp/show\fR command. +.IP "\fBbond/show\fR [\fIport\fR]" +Lists all of the bond-specific information (updelay, downdelay, time +until the next rebalance) about the given bonded \fIport\fR, or all +bonded ports if no \fIport\fR is given. Also lists information about +each slave: whether it is enabled or disabled, the time to completion +of an updelay or downdelay if one is in progress, whether it is the +active slave, the hashes assigned to the slave. Any LACP information +related to this bond may be found using the \fBlacp/show\fR command. +. .IP "\fBbond/migrate\fR \fIport\fR \fIhash\fR \fIslave\fR" Only valid for SLB bonds. Assigns a given MAC hash to a new slave. \fIport\fR specifies the bond port, \fIhash\fR the MAC hash to be @@ -181,18 +195,64 @@ status of \fIslave\fR changes. Returns the hash value which would be used for \fImac\fR with \fIvlan\fR and \fIbasis\fR if specified. . -.IP "\fBlacp/show\fR \fIport\fR" +.IP "\fBlacp/show\fR [\fIport\fR]" Lists all of the LACP related information about the given \fIport\fR: active or passive, aggregation key, system id, and system priority. Also lists information about each slave: whether it is enabled or disabled, whether it is attached or detached, port id and priority, actor -information, and partner information. +information, and partner information. If \fIport\fR is not specified, +then displays detailed information about all interfaces with CFM +enabled. . +.so ofproto/ofproto-dpif-unixctl.man .so ofproto/ofproto-unixctl.man .so lib/vlog-unixctl.man +.so lib/memory-unixctl.man .so lib/stress-unixctl.man +. +.SH "LIMITS" +. +.PP +We believe these limits to be accurate as of this writing. These +limits assume the use of the Linux kernel datapath. +. +.IP \(bu +Approximately 256 bridges given the allowance of 5,000 file +descriptors that \fBovs\-ctl\fR(8) configures. (\fBovs\-vswitchd\fR +requires 17 file descriptors per datapath.) +. +.IP \(bu +65,280 ports per bridge. Performance will degrade beyond 1,024 ports +per bridge due to fixed hash table sizing. +. +.IP \(bu +2,048 MAC learning entries per bridge. +. +.IP \(bu +Kernel flows are limited only by memory available to the kernel. +Performance will degrade beyond 1,048,576 kernel flows per bridge with +a 32-bit kernel, beyond 262,144 with a 64-bit kernel. +(\fBovs\-vswitchd\fR should never install anywhere near that many +flows.) +. +.IP \(bu +OpenFlow flows are limited only by available memory. Performance is +linear in the number of unique wildcard patterns. That is, an +OpenFlow table that contains many flows that all match on the same +fields in the same way has a constant-time lookup, but a table that +contains many flows that match on different fields requires lookup +time linear in the number of flows. +. +.IP \(bu +255 ports per bridge participating in 802.1D Spanning Tree Protocol. +. +.IP \(bu +32 mirrors per bridge. +. +.IP \(bu +15 bytes for the name of a port. (This is a Linux kernel limitation.) +. .SH "SEE ALSO" .BR ovs\-appctl (8), -.BR ovs\-brcompatd (8), .BR ovsdb\-server (1), \fBINSTALL.Linux\fR in the Open vSwitch distribution.