6c892301e2
Change-Id: I4ebd977672090f2a7fc08bb139832df39614564a Signed-off-by: Scott Keeler <skeeler@cisco.com>
226 lines
7.3 KiB
ReStructuredText
226 lines
7.3 KiB
ReStructuredText
.. _interface:
|
|
|
|
.. toctree::
|
|
|
|
Create Interfaces Commands
|
|
===========================
|
|
This section contains those interface commands that are associated to creating an interface:
|
|
|
|
* `Create Host-Interface`_
|
|
* `Create Interface Memif`_
|
|
* `Create Loopback Interface`_
|
|
* `Create Sub-Interfaces`_
|
|
|
|
.. note:: For a complete list of CLI Debug commands refer to the Debug CLI section of the `Source Code Documents <https://docs.fd.io/vpp/18.07/clicmd.html>`_ .
|
|
|
|
Create Host-Interface
|
|
++++++++++++++++++++++
|
|
Summary/Usage
|
|
-------------
|
|
|
|
create host-interface name <*ifname*> [*hw-addr <*mac-addr*>]
|
|
|
|
Description
|
|
------------
|
|
|
|
Create a host interface that will attach to a linux AF_PACKET interface, one side of a veth pair.
|
|
The veth pair must already exist. Once created, a new host interface will exist in VPP with the name
|
|
'host-<*ifname*>', where '<*ifname*>' is the name of the specified veth pair.
|
|
Use the `show interface` command to display host interface details.
|
|
|
|
This command has the following optional parameters:
|
|
|
|
hw-addr <*mac-addr*> - Optional ethernet address, can be in either X:X:X:X:X:X unix or X.X.X cisco format
|
|
|
|
Example Usage
|
|
-------------
|
|
|
|
Example of how to create a host interface tied to one side of an existing linux veth pair named vpp1:
|
|
|
|
.. code-block:: console
|
|
|
|
vpp# create host-interface name vpp1
|
|
|
|
host-vpp1
|
|
|
|
Once the host interface is created, enable the interface using:
|
|
|
|
.. code-block:: console
|
|
|
|
vpp# set interface state host-vpp1 up
|
|
|
|
Declaration and Implementation
|
|
-------------------------------
|
|
|
|
**Declaration:** af_packet_create_command (src/vnet/devices/af_packet/cli.c line 133)
|
|
|
|
**Implementation:** af_packet_create_command_fn
|
|
|
|
Create Interface Memif
|
|
+++++++++++++++++++++++
|
|
|
|
Summary/Usage
|
|
-------------
|
|
|
|
create interface memif [id <*id*>] [socket-id <*socket-id*>] [ring-size <*size*>] [buffer-size <*size*>] [hw-addr <*mac-address*>] <master|slave> [rx-queues <*number*>] [tx-queues <*number*>] [mode ip] [secret <*string*>]
|
|
|
|
Declaration and Implementation
|
|
-------------------------------
|
|
|
|
**Declaration:** memif_create_command (src/plugins/memif/cli.c line 258)
|
|
|
|
**Implementation:** memif_create_command_fn
|
|
|
|
|
|
Create Loopback Interface
|
|
++++++++++++++++++++++++++
|
|
|
|
Summary/Usage
|
|
--------------
|
|
|
|
create loopback interface [mac <*mac-addr*>] [instance <*instance*>]
|
|
|
|
Description
|
|
------------
|
|
|
|
Create a loopback interface. Optionally, a MAC Address can be provided. If not provided, de:ad:00:00:00:<*loopId*> will be used.
|
|
|
|
Example Usage
|
|
--------------
|
|
The following two command syntaxes are equivalent:
|
|
|
|
.. code-block:: console
|
|
|
|
vpp# loopback create-interface [mac <*mac-addr*>] [instance <*instance*>]
|
|
|
|
vpp# create loopback interface [mac <*mac-addr*>] [instance <*instance*>]
|
|
|
|
Example of how to create a loopback interface:
|
|
|
|
.. code-block:: console
|
|
|
|
vpp# create loopback interface
|
|
|
|
Declaration and Implementation
|
|
-------------------------------
|
|
|
|
**Declaration:** create_loopback_interface_command (src/vnet/ethernet/interface.c line 879)
|
|
|
|
**Implementation:** create_simulated_ethernet_interfaces
|
|
|
|
|
|
Create Sub-Interfaces
|
|
++++++++++++++++++++++
|
|
|
|
This command is used to add VLAN IDs to interfaces, also known as
|
|
subinterfaces. The primary input to this command is the *interface*
|
|
and *subId* (subinterface Id) parameters. If no additional VLAN ID is
|
|
provide, the VLAN ID is assumed to be the *subId*. The VLAN ID and
|
|
*subId* can be different, but this is not recommended.
|
|
|
|
This command has several variations:
|
|
|
|
- **create sub-interfaces** <*interface*> <*subId*> - Create a subinterface
|
|
to process packets with a given 802.1q VLAN ID (same value as the
|
|
*subId*).
|
|
- **create sub-interfaces** <*interface*> <*subId*> default - Adding the
|
|
*default* parameter indicates that packets with VLAN IDs that do
|
|
not match any other subinterfaces should be sent to this
|
|
subinterface.
|
|
- **create sub-interfaces** <*interface*> <*subId*> untagged - Adding the
|
|
*untagged* parameter indicates that packets no VLAN IDs should be
|
|
sent to this subinterface.
|
|
- **create sub-interfaces** <*interface*> <*subId*>-<*subId*> - Create a
|
|
range of subinterfaces to handle a range of VLAN IDs.
|
|
- **create sub-interfaces** <*interface*> <*subId*> dot1q|dot1ad <*vlanId*>|any
|
|
[exact-match] - Use this command to specify the outer VLAN ID, to
|
|
either be explicited or to make the VLAN ID different from the
|
|
*subId*.
|
|
- **create sub-interfaces** <*interface*> <*subId*> dot1q|dot1ad <*vlanId*>|any
|
|
inner-dot1q <*vlanId*>|any [exact-match] - Use this command to
|
|
specify the outer VLAN ID and the innner VLAN ID.
|
|
|
|
When *dot1q* or *dot1ad* is explictly entered, subinterfaces can be
|
|
configured as either *exact-match* or *non-exact match*. *Non-exact match* is
|
|
the CLI default. If *exact-match* is specified, packets must have the
|
|
same number of VLAN tags as the configuration. For *non-exact-match*,
|
|
packets must at least that number of tags. L3 (routed) interfaces must
|
|
be configured as exact-match. L2 interfaces are typically configured as
|
|
non-exact-match. If *dot1q* or *dot1ad* is NOT entered, then the
|
|
default behavior is *exact-match*.
|
|
|
|
Use the **show interface** command to display all subinterfaces.
|
|
|
|
Summary/Usage
|
|
-------------
|
|
|
|
.. code-block:: shell
|
|
|
|
create sub-interfaces <interface> {<subId> [default|untagged]} | {<subId>-<subId>} | {<subId> dot1q|dot1ad <vlanId>|any [inner-dot1q <vlanId>|any] [exact-match]}
|
|
|
|
Example Usage
|
|
--------------
|
|
|
|
Example of how to create a VLAN subinterface 11 to process packets on 802.1q VLAN ID 11:
|
|
|
|
.. code-block:: console
|
|
|
|
vpp# create sub-interfaces GigabitEthernet2/0/0 11
|
|
|
|
The previous example is shorthand and is equivalent to:
|
|
|
|
.. code-block:: console
|
|
|
|
vpp# create sub-interfaces GigabitEthernet2/0/0 11 dot1q 11 exact-match
|
|
|
|
Example of how to create a subinterface number that is different from the VLAN ID:
|
|
|
|
.. code-block:: console
|
|
|
|
vpp# create sub-interfaces GigabitEthernet2/0/0 11 dot1q 100
|
|
|
|
Examples of how to create q-in-q and q-in-any subinterfaces:
|
|
|
|
.. code-block:: console
|
|
|
|
vpp# create sub-interfaces GigabitEthernet2/0/0 11 dot1q 100 inner-dot1q 200
|
|
vpp# create sub-interfaces GigabitEthernet2/0/0 12 dot1q 100 inner-dot1q any
|
|
|
|
Examples of how to create dot1ad interfaces:
|
|
|
|
.. code-block:: console
|
|
|
|
vpp# create sub-interfaces GigabitEthernet2/0/0 11 dot1ad 11
|
|
vpp# create sub-interfaces GigabitEthernet2/0/0 12 dot1ad 100 inner-dot1q 200
|
|
|
|
Examples of *exact-match* versus non-exact match. A packet with outer VLAN 100 and inner VLAN 200 would match this interface, because the default is non-exact match:
|
|
|
|
.. code-block:: console
|
|
|
|
vpp# create sub-interfaces GigabitEthernet2/0/0 5 dot1q 100
|
|
|
|
However, the same packet would NOT match this interface because *exact-match* is specified and only one VLAN is configured, but packet contains two VLANs:
|
|
|
|
.. code-block:: console
|
|
|
|
vpp# create sub-interfaces GigabitEthernet2/0/0 5 dot1q 100 exact-match
|
|
|
|
Example of how to created a subinterface to process untagged packets:
|
|
|
|
.. code-block:: console
|
|
|
|
vpp# create sub-interfaces GigabitEthernet2/0/0 5 untagged
|
|
|
|
Example of how to created a subinterface to process any packet with a VLAN ID that does not match any other subinterface:
|
|
|
|
.. code-block:: console
|
|
|
|
vpp# create sub-interfaces GigabitEthernet2/0/0 7 default
|
|
|
|
When subinterfaces are created, they are in the down state. Example of how to enable a newly created subinterface:
|
|
|
|
.. code-block:: console
|
|
|
|
vpp# set interface GigabitEthernet2/0/0.7 up
|
|
|