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Diffstat (limited to 'sbin/ifconfig/ifconfig.8')
| -rw-r--r-- | sbin/ifconfig/ifconfig.8 | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/sbin/ifconfig/ifconfig.8 b/sbin/ifconfig/ifconfig.8 index 344adc3..b24b6a0 100644 --- a/sbin/ifconfig/ifconfig.8 +++ b/sbin/ifconfig/ifconfig.8 @@ -2586,6 +2586,76 @@ argument is useless and hence deprecated. .El .Pp The following parameters are used to configure +.Xr vxlan 4 +interfaces. +.Bl -tag -width indent +.It Cm vxlanid Ar identifier +This value is a 24-bit VXLAN Network Identifier (VNI) that identifies the +virtual network segment membership of the interface. +.It Cm vxlanlocal Ar address +The source address used in the encapsulating IPv4/IPv6 header. +The address should already be assigned to an existing interface. +When the interface is configured in unicast mode, the listening socket +is bound to this address. +.It Cm vxlanremote Ar address +The interface can be configured in a unicast, or point-to-point, mode +to create a tunnel between two hosts. +This is the IP address of the remote end of the tunnel. +.It Cm vxlangroup Ar address +The interface can be configured in a multicast mode +to create a virtual network of hosts. +This is the IP multicast group address the interface will join. +.It Cm vxlanlocalport Ar port +The port number the interface will listen on. +The default port number is 4789. +.It Cm vxlanremoteport Ar port +The destination port number used in the encapsulating IPv4/IPv6 header. +The remote host should be listening on this port. +The default port number is 4789. +Note some other implementations, such as Linux, +do not default to the IANA assigned port, +but instead listen on port 8472. +.It Cm vxlanportrange Ar low high +The range of source ports used in the encapsulating IPv4/IPv6 header. +The port selected within the range is based on a hash of the inner frame. +A range is useful to provide entropy within the outer IP header +for more effective load balancing. +The default range is between the +.Xr sysctl 8 +variables +.Va net.inet.ip.portrange.first +and +.Va net.inet.ip.portrange.last +.It Cm vxlantimeout Ar timeout +The maximum time, in seconds, before an entry in the forwarding table +is pruned. +The default is 1200 seconds (20 minutes). +.It Cm vxlanmaxaddr Ar max +The maximum number of entries in the forwarding table. +The default is 2000. +.It Cm vxlandev Ar dev +When the interface is configured in multicast mode, the +.Cm dev +interface is used to transmit IP multicast packets. +.It Cm vxlanttl Ar ttl +The TTL used in the encapsulating IPv4/IPv6 header. +The default is 64. +.It Cm vxlanlearn +The source IP address and inner source Ethernet MAC address of +received packets are used to dynamically populate the forwarding table. +When in multicast mode, an entry in the forwarding table allows the +interface to send the frame directly to the remote host instead of +broadcasting the frame to the multicast group. +This is the default. +.It Fl vxlanlearn +The forwarding table is not populated by recevied packets. +.It Cm vxlanflush +Delete all dynamically-learned addresses from the forwarding table. +.It Cm vxlanflushall +Delete all addresses, including static addresses, from the forwarding table. +.El +.Pp +The following parameters are used to configure .Xr carp 4 protocol on an interface: .Bl -tag -width indent @@ -2790,6 +2860,7 @@ tried to alter an interface's configuration. .Xr pfsync 4 , .Xr polling 4 , .Xr vlan 4 , +.Xr vxlan 4 , .Xr devd.conf 5 , .\" .Xr eon 5 , .Xr devd 8 , |
