# Changes in Release 1.2

## New Functionality in Release 1.2.5

* [VXLAN](../module/vxlan.md) configuration module implemented on Arista EOS, Cisco Nexus OS, Dell OS 10, Nokia SR Linux and VyOS
* [EVPN](../module/evpn.md) configuration module implemented on Arista EOS, Nokia SR Linux and VyOS.
* [MPLS configuration module](../module/mpls.md) got 6PE address family implemented on Arista EOS and Cisco IOS/IOS XE.
* IS-IS on VyOS
* VLAN and VRF on Cisco Nexus OS
* VRF support for Nokia SR Linux
* Device-specific module requirements (example: VXLAN on Nokia SR Linux works only with EVPN)
* Custom interface index on node-to-link attachments

## New Functionality in Release 1.2.4

* [VLAN support](../module/vlan.md) for Mikrotik RouterOS and VyOS (contributed by Stefano Sasso)
* Routed VLANs and [routed VLAN subinterfaces](module-vlan-creating-interfaces)
* ebgp_utils plugin (contributed by Stefano Sasso)
* User-modifiable templates used in Vagrantfile creation

## New Functionality in Release 1.2.3

* Add VLAN support for SR Linux (contributed by Jeroen van Bemmel)

## New Functionality in Release 1.2.2

* [VLAN configuration module](../module/vlan.md) supporting access VLANs, VLAN trunks, and native VLANs -- implemented on Cisco IOS, Arista EOS, VyOS, and Dell OS10 (VyOS and OS10 support contributed by Stefano Sasso)
* [External topology provider](../providers.md) allows you to use *netlab* with hardware labs (contributed by Stefano Sasso)
* Support for [additional VRF loopback interfaces](vrf-loopback) (contributed by Stefano Sasso)
* [netlab restart](../netlab/restart.md) command restarts or reconfigures the lab
* [Use the snapshot file to start a lab](../netlab/up.md) from a topology previously modified through CLI arguments
* [Specify NIC model used by *libvirt* virtualization provider](../nodes.md#libvirt-attributes) (by Stefano Sasso)
* [Set device type or configuration modules in groups](../groups.md#setting-device-type-or-list-of-modules-in-groups)
* Persistent Linux network provisioning (by Stefano Sasso)
* Debian supported by the [installation scripts](../netlab/install.md) (by Jody Lemoine)

## New Functionality in Release 1.2.1

* Graphite GUI by Stefano Sasso
* New platform: [Dell OS10 on *libvirt*](../labs/dellos10.md) (including BGP, OSPFv2, OSPFv3 and VRF Lite) by Stefano Sasso
* [Mikrotik RouterOS support for VRFs, MPLS, and MPLS/VPN](platform-dataplane-support) by Stefano Sasso
* [VyOS support for VRFs, MPLS, and MPLS/VPN](platform-dataplane-support) by Stefano Sasso
* [Containerlab support for Cumulus NVUE](platform-provider-support) by Julien Dhaille
* [Simple VRF-Lite support](module-vrf-platform-support) (no inter-VRF route leaking) on Cumulus NVUE by Julien Dhaille

## New Functionality in Release 1.2.0

* [VRF definitions and layer-3 VRFs](../module/vrf.md)
* [VRF-aware OSPF, IS-IS and BGP](../module/vrf.md#interaction-with-routing-protocols)
* [Traditional MPLS with LDP](../module/mpls.md#label-distribution-protocol-ldp) (SR-MPLS was already available)
* [BGP Labeled Unicast](../module/mpls.md#bgp-labeled-unicast-bgp-lu)
* MPLS/VPN: [VPNv4 and VPNv6 address family](mpls-l3vpn-supported-platforms) support
* [OSPFv3](../module/ospf.md) support on Juniper vSRX
* Use topology snapshot file in **[netlab down](../netlab/down.md)**

## Minor Changes in Release 1.2.0

* Use **selective** Ansible callback in **[netlab up](../netlab/up.md)** and **[netlab initial](../netlab/initial.md)**

## New Developer Resources in Release 1.2.4

* [VRF developer guide](../dev/config/vrf.md)
* Implement "VLAN device model" instead of convoluted decision tree
* VLAN integration test cases

## Bug Fixes in Release 1.2.5

* VyOS BGP configuration syntax changed _local-as_ to _system-as_ in release 1.4.
* Unnumbered BGP sessions over IPv6 LLA interfaces

## Bug Fixes in Release 1.2.4

* Fix VLAN support in platform overview document
* Use topology groups as graph clusters
* Fix the merge of interface- and VLAN subinterface data
* Implement complete vlan.mode inheritance
* Remove 'vlan_name' attribute from links and interfaces
* Update routed VLAN subinterface name in neighbor lists
* Link-level attributes are propagated to attached nodes based on configuration modules used by those nodes
* Propagate global VLAN attributes to VLAN access links
* Doc fix: updated description of vlan.trunk dictionary
* Set VLAN mode on routed virtual links, not on parent interfaces
* Copy VLAN data into routed subinterfaces
* Use parent interface and subinterface data to create subinterface name (needed to get VLAN ID into subinterface name)

## Bug Fixes in Release 1.2.3

* Don't create bogus VLAN data for single-node VLANs
* Don't copy provider-specific attributes into VLAN interfaces
* Disable Ansible deprecation warnings
* Don't use **sudo** for Ansible installed in Python virtual environment
* User default file has been renamed to `~/.netlab.yml`

## Bug Fixes in Release 1.2.2

* Create *libvirt* UDP tunnels based on the number of nodes attached to a link, not link type
* Use **auto** Python interpreter setting for FRR containers
* Don't create VRF OSPF instances if the VRF has no OSPF neighbors
* Don't try to advertise VRF prefixes in the global BGP table
* Generate more concise error messages on invalid topology-level attributes
* Add empty 'modules' and 'custom_configs' groups to Ansible inventory to prevent superfluous warnings
* Refactor Linux initialization script to support distro-specific scripts
* Revert to non-collection Ansible module names to work with Ansible 2.9
* Remove interfaces without a usable IPv4/IPv6 address from IGP processes
* Load more than one plugin from a subdirectory

## Bug Fixes in Release 1.2.1

* Link prefix in transformed data structure should always be a dictionary of address families
* Containerlab configuration template crashed on a topology with no links
* Use DHCP-supplied DNS server in Ubuntu VMs
* Quote node names in Graphviz files
* Fix Python interpreter on Linux and Cumulus NVUE devices
* Even more addresses in *vagrant-libvirt* DHCP pool
* Add comments to RouterOS IP addresses
* Remove interfaces without usable IPv4/IPv6 addresses from IGP routing processes
* Load more than one plugin from a subdirectory

## Bug Fixes in Release 1.2.0

* Rewrite configuration deployment code to work around [Ansible "optimization" attempts](https://blog.ipspace.net/2022/03/ansible-reorder-list-values.html).