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fipvlan(8) [centos man page]

FIPVLAN(8)							  Open-FCoE Tools							FIPVLAN(8)

fipvlan - Fibre Channel over Ethernet VLAN Discovery SYNOPSIS
fipvlan [-c|--create] [-s|--start] [-m|--mode fabric|vn2vn] interfaces fipvlan -a|--auto [-c|--create] [-d|--debug] [-s|--start] [-m|--mode fabric|vn2vn] [-l|--link-retry count] fipvlan -h|--help fipvlan -v|--version DESCRIPTION
The fipvlan command performs Fibre Channel over Ethernet (FCoE) Initialization Protocol (FIP) VLAN Discovery over Ethernet interfaces. fipvlan can be used as a diagnostic tool to determine which VLANs have FCoE services available on a network, prior to configuring VLAN interfaces and the Open-FCoE initiator. fipvlan can also be used to create VLAN interfaces as they are discovered, and to start the Open-FCoE initiator. The --create and --start options are primarily intended to be used as part of an Open-FCoE boot solution. FCoE instances started in this way cannot be destroyed or reset by fcoeadm. fipvlan takes a list of network interface names to run the VLAN discovery protocol over, or the --auto option to use all available Ethernet interfaces. fipvlan will enable any interface which is found disabled. If no response is received on that interface it will be shutdown again when fipvlan terminates. OPTIONS
-a, --auto Use all Ethernet interfaces currently available -c, --create Create network interfaces for discovered FCoE VLANs. If a VLAN device already exists for a discovered VLAN, a new VLAN device will not be created. -d, --debug Enable debugging output -s, --start Start the Open-FCoE initiator on discovered FCoE VLANs -m, --mode fabric|vn2vn Specify whether VLAN discovery is performed in the default fabric mode, or in VN2VN mode. -f, --suffix suffix Append the specified string suffix to VLAN interface names. -l, --link-retry count Retry check for link up to count times. The link state is checked every 500 ms. The default number of retries is 20. -h, --help Display a help message with basic usage instructions -v, --version Display the fipvlan version string VLAN NAMING CONVENTIONS
If a new VLAN device is created, it will have the name dev.vlan; where dev is the name of the Ethernet parent device and vlan is the discovered VLAN ID number. An optional suffix may be appended to this with the the -f command line option. EXAMPLES
Display all discoverable VLANs with FCoE services fipvlan --auto Discover FCoE VLANs on interface eth2, create VLAN devices and start the Open-FCoE initiator fipvlan --create --start eth2 In this example if FCoE services were available on VLAN 101 of network interface eth2, then a VLAN interface eth2.101 would be created and used as the parent device for the initiator. SEE ALSO
fcoeadm(8) fcoemon(8) SUPPORT
fipvlan is part of the fcoe-utils package, maintained through the Open-FCoE project. Resources for both developers and users can be found at the Open-FCoE website Open-FCoE 03/18/2013 FIPVLAN(8)

Check Out this Related Man Page

VLAN(4) 						   BSD Kernel Interfaces Manual 						   VLAN(4)

vlan -- IEEE 802.1Q Virtual LAN network device SYNOPSIS
pseudo-device vlan DESCRIPTION
The vlan interface provides support for IEEE 802.1Q Virtual Local Area Networks (VLAN). This supports the trunking of more than one network on a single network interface. This is particularly useful on routers or on hosts which must be connected to many different networks through a single physical interface. To use a vlan interface, the administrator must first create the interface and then specify the VID (VLAN identifier, the first 12 bits from a 16-bit integer which distinguishes each VLAN from any others) and physical interface associated with the VLAN. This can be done by using the ifconfig(8) create, vlan, and vlanif subcommands from a shell command line or script. From within a C program, use the ioctl(2) system call with the SIOCSIFCREATE and SIOCSIFVLAN arguments. To be compatible with other IEEE 802.1Q devices, the vlan interface supports a 1500 byte MTU, which means that the parent interface will have to handle packets that are 4 bytes larger than the original Ethernet standard. Drivers supporting this increased MTU are: - drivers using the DP8390 core (such as ec(4), ne(4), we(4), and possibly others) - bge(4) - bnx(4) - ea(4) - eb(4) - epic(4) - etherip(4) - ex(4) - fxp(4) - gem(4) - hme(4) - le(4) - sip(4) - ste(4) - stge(4) - ti(4) - tl(4) - tlp(4) - vge(4) - vr(4) - wm(4) - xi(4) vlan can be used with devices not supporting the IEEE 802.1Q MTU, but then the MTU of the vlan interface will be 4 bytes too small and will not interoperate properly with other IEEE 802.1Q devices, unless the MTU of the other hosts on the VLAN are also lowered to match. EXAMPLES
The following will create interface vlan0 with VID six, on the Ethernet interface tlp0: ifconfig vlan0 create ifconfig vlan0 vlan 6 vlanif tlp0 After this set up, IP addresses (and/or other protocols) can be assigned to the vlan0 interface. All other hosts on the Ethernet connected to tlp0 which configure a VLAN and use VID six will see all traffic transmitted through vlan0. The same VLAN can be created at system startup time by placing the following in /etc/ifconfig.vlan0: create vlan 6 vlanif tlp0 SEE ALSO
ifconfig(8) HISTORY
The vlan device first appeared in NetBSD 1.5.1, and was derived from a VLAN implementation that appeared in FreeBSD and OpenBSD. BUGS
The vlan interfaces do not currently inherit changes made to the physical interfaces' MTU. BSD
December 16, 2010 BSD
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