f503921033
* new version related changes * version compatibility changes * header changes from Dell EMC to Dell Inc. * bug fixes for new releases
127 lines
8.6 KiB
Markdown
127 lines
8.6 KiB
Markdown
# xSTP role
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This role facilitates the configuration of xSTP attributes. It supports multiple version of spanning-tree protocol (STP), rapid spanning-tree (RSTP), rapid per-VLAN spanning-tree (Rapid PVST+), multiple spanning-tree (MST), and per-VLAN spanning-tree (PVST). It supports the configuration of bridge priority, enabling and disabling spanning-tree, creating and deleting instances, and mapping virtual LAN (VLAN) to instances. This role is abstracted for Dell EMC PowerSwitch platforms running Dell EMC OS9.
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The xSTP role requires an SSH connection for connectivity to a Dell EMC OS9 device. You can use any of the built-in OS connection variables.
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Role variables
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--------------
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- Role is abstracted using the `ansible_network_os` variable that can take `dellemc.os9.os9` as the value
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- If `os9_cfg_generate` is set to true, the variable generates the role configuration commands in a file
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- `os9_xstp` (dictionary) contains the hostname (dictionary)
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- Hostname is the value of the *hostname* variable that corresponds to the name of the OS device
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- Any role variable with a corresponding state variable set to absent negates the configuration of that variable
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- Setting an empty value to any variable negates the corresponding configuration
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- Variables and values are case-sensitive
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**hostname keys**
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| Key | Type | Description | Support |
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|------------|---------------------------|---------------------------------------------------------|----------------------|
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| ``type`` | string (required) | Configures the type of spanning-tree mode specified including STP, RSTP, PVST, and MSTP | os9 |
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| ``enable`` | boolean: true,false | Enables/disables the spanning-tree protocol specified in the type variable | os9 |
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| ``stp`` | dictionary | Configures simple spanning-tree protocol (see ``stp.* keys``) | os9 |
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| ``stp.bridge_priority`` | integer | Configures bridge-priority for the spanning-tree (0 to 61440 in multiples of 4096) | os9 |
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| ``stp.state`` | string: absent,present\* | Deletes the configured STP if set to absent | os9 |
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| ``rstp`` | dictionary | Configures rapid spanning-tree (see ``rstp.*``) | os9 |
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| ``rstp.bridge_priority`` | integer | Configures bridge-priority for the spanning-tree (0 to 61440 in multiples of 4096) | os9 |
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| ``rstp.state ``| string: absent,present\* | Deletes the configured RSTP in os9 devices if set to absent | os9 |
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| ``pvst`` | dictionary | Configures per-VLAN spanning-tree protocol (see ``pvst.*``) | os9 |
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| ``pvst.vlan`` | list | Configures the VLAN for PVST (see ``vlan.*``) | os9 |
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| ``vlan.range_or_id`` | string | Configures a VLAN/range of VLANs for the per-VLAN spanning-tree protocol | os9 |
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| ``vlan.bridge_priority`` | integer | Configures bridge-priority for the per-VLAN spanning-tree (0 to 61440 in multiples of 4096); mutually exclusive with *vlan.root* | os9 |
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| ``pvst.state`` | string: absent,present\* | Deletes the configured PVST if set to absent | os9 |
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| ``mstp`` | dictionary | Configures multiple spanning-tree protocol (see ``mstp.*``) | os9 |
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| ``mstp.mstp_instances`` | list | Configures a MSTP instance (see ``mstp_instances.*``) | os9 |
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| ``mstp_instances.number`` | integer | Configures the multiple spanning-tree instance number | os9 |
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| ``mstp_instances.vlans`` | string | Configures a VLAN/range of VLANs by mapping it to the instance number in os9 devices | os9 |
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| ``mstp_instances.bridge_priority`` | integer | Configures the bridge-priority for the spanning-tree (0 to 61440 in multiples of 4096); mutually exclusive with *mstp_instances.root* | os9 |
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| ``mstp_instances.vlans_state`` | string: absent,present\* | Deletes a set of VLANs mapped to the spanning-tree instance if set to absent | os9 |
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| ``mstp.state`` | string: absent,present\* | Deletes the configured MSTP if set to absent | os9 |
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| ``intf`` | list | Configures multiple spanning-tree in an interface (see ``intf.*``) | os9 |
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| ``intf <interface name>``| dictionary | Configures the interface name (see ``intf.<interface name>.*``) | os9 |
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| ``intf.<interface name>.stp_type`` | list: stp,mstp,pvst,rstp | Configures the list of spanning-tree in an interface | os9 |
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| ``intf.<interface name>.edge_port`` | boolean: true,false | in os9 devices according to the stp_type EdgePort is configured; | os9 |
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> **NOTE**: Asterisk (_*_) denotes the default value if none is specified.
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Connection variables
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--------------------
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Ansible Dell EMC network roles require connection information to establish communication with the nodes in your inventory. This information can exist in the Ansible *group_vars* or *host_vars* directories or inventory or in the playbook itself.
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| Key | Required | Choices | Description |
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|-------------|----------|------------|-------------------------------------------------------|
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| ``ansible_host`` | yes | | Specifies the hostname or address for connecting to the remote device over the specified transport |
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| ``ansible_port`` | no | | Specifies the port used to build the connection to the remote device; if value is unspecified, the `ANSIBLE_REMOTE_PORT` option is used; it defaults to 22 |
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| ``ansible_ssh_user`` | no | | Specifies the username that authenticates the CLI login for the connection to the remote device; if value is unspecified, the `ANSIBLE_REMOTE_USER` environment variable value is used |
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| ``ansible_ssh_pass`` | no | | Specifies the password that authenticates the connection to the remote device |
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| ``ansible_become`` | no | yes, no\* | Instructs the module to enter privileged mode on the remote device before sending any commands; if value is unspecified, the `ANSIBLE_BECOME` environment variable value is used, and the device attempts to execute all commands in non-privileged mode |
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| ``ansible_become_method`` | no | enable, sudo\* | Instructs the module to allow the become method to be specified for handling privilege escalation; if value is unspecified, the `ANSIBLE_BECOME_METHOD` environment variable value is used |
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| ``ansible_become_pass`` | no | | Specifies the password to use if required to enter privileged mode on the remote device; if ``ansible_become`` is set to no this key is not applicable |
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| ``ansible_network_os`` | yes | os9, null\* | Loads the correct terminal and cliconf plugins to communicate with the remote device |
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> **NOTE**: Asterisk (\*) denotes the default value if none is specified.
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Example playbook
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----------------
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This example uses the *os9_xstp* role to configure different variants of spanning-tree. Based on the type of STP and defined objects, VLANs are associated and bridge priorities are assigned. It creates a *hosts* file with the switch details, and a *host_vars* file with connection variables. The corresponding role variables are defined in the *vars/main.yml* file at the role path. The hosts file should define the `ansible_network_os` variable with corresponding Dell EMC OS9 name.
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It writes a simple playbook that only references the *os9_xstp* role. By including the role, you automatically get access to all of the tasks to configure xSTP. When `os9_cfg_generate` is set to true, the variable generates the configuration commands as a .part file in build_dir path. By default, this variable is set to false. The example writes a simple playbook that only references the *os9_xstp* role.
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**Sample hosts file**
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spine1 ansible_host= <ip_address>
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**Sample host_vars/spine1**
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hostname: spine1
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ansible_become: yes
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ansible_become_method: xxxxx
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ansible_become_pass: xxxxx
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ansible_ssh_user: xxxxx
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ansible_ssh_pass: xxxxx
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ansible_network_os: dellemc.os9.os9
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build_dir: ../temp/os9
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**Sample vars/main.yml**
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os9_xstp:
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type: rstp
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enable: true
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stp:
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bridge_priority: 4096
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state: present
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rstp:
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bridge_priority: 4096
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pvst:
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vlan:
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- range_or_id: 10
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bridge_priority: 4096
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mstp:
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mstp_instances:
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- number: 1
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vlans: 10,12
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bridge_priority: 4096
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vlans_state: present
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intf:
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fortyGigE 1/25:
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stp_type:
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- stp
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- mstp
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edge_port: true
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**Simple playbook to setup system — spine.yml**
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- hosts: spine
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roles:
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- dellemc.os9.os9_xstp
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**Run**
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ansible-playbook -i hosts spine.yml
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(c) 2017-2020 Dell Inc. or its subsidiaries. All rights reserved.
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