Add config leaf for bgp allocate-vpn-label for L3VPN IPv[46] unicast address families

[vall-arista]

Adding extra configuration parameters to /network-instances/network-instance/protocols/protocol/bgp/global/afi-safis/afi-safi/[l3vpn-ipv4-unicast|l3vpn-ipv6-unicast]/[config|state]

Arista CLI knob

router bgp 100
       address-family vpn-ipv4
               neighbor default encapsulation mpls next-hop-self received-vpnv4-routes
       !
      address-family vpn-ipv6
                neighbor default encapsulation mpls next-hop-self received-vpnv6-routes

Change Scope

• Adding leaf allocate-vpn-label-received-paths to specify if the allocation of locally computed VPN label is enabled for received VPN paths for L3VPN IPv[46] unicast address families.

The rendered network-instance tree looks like:

pyang -f tree -p release/models/*/* --tree-path=/network-instances/network-instance/protocols/protocol/bgp/global/afi-safis/afi-safi

module: openconfig-network-instance
  +--rw network-instances
     +--rw network-instance* [name]
        +--rw protocols
           +--rw protocol* [identifier name]
              +--rw bgp
                 +--rw global
                    +--rw afi-safis
                       +--rw afi-safi* [afi-safi-name]
                          +--rw afi-safi-name              -> ../config/afi-safi-name
                          +--rw config
                          |  +--rw afi-safi-name?         identityref
                          |  +--rw enabled?               boolean
                          |  +--rw send-community-type*   oc-bgp-types:community-type
                          +--ro state
                          |  +--ro afi-safi-name?         identityref
                          |  +--ro enabled?               boolean
                          |  +--ro send-community-type*   oc-bgp-types:community-type
                          |  +--ro total-paths?           uint32
                          |  +--ro total-prefixes?        uint32
[...]
                          +--rw l3vpn-ipv4-unicast
                          |  +--rw config
                          |  |  +--rw allocate-vpn-label-received-paths?   boolean
                          |  +--ro state
                          |  |  +--ro allocate-vpn-label-received-paths?   boolean
                          |  +--rw prefix-limit
                          |  |  +--rw config
                          |  |  |  +--rw max-prefixes?            uint32
                          |  |  |  +--rw prevent-teardown?        boolean
                          |  |  |  +--rw warning-threshold-pct?   oc-types:percentage
                          |  |  +--ro state
                          |  |     +--ro max-prefixes?            uint32
                          |  |     +--ro prevent-teardown?        boolean
                          |  |     +--ro warning-threshold-pct?   oc-types:percentage
                          |  |     +--ro prefix-limit-exceeded?   boolean
                          |  +--rw prefix-limit-received
                          |     +--rw config
                          |     |  +--rw max-prefixes?            uint32
                          |     |  +--rw prevent-teardown?        boolean
                          |     |  +--rw warning-threshold-pct?   oc-types:percentage
                          |     +--ro state
                          |        +--ro max-prefixes?            uint32
                          |        +--ro prevent-teardown?        boolean
                          |        +--ro warning-threshold-pct?   oc-types:percentage
                          |        +--ro prefix-limit-exceeded?   boolean
                          +--rw l3vpn-ipv6-unicast
                          |  +--rw config
                          |  |  +--rw allocate-vpn-label-received-paths?   boolean
                          |  +--ro state
                          |  |  +--ro allocate-vpn-label-received-paths?   boolean
                          |  +--rw prefix-limit
                          |  |  +--rw config
                          |  |  |  +--rw max-prefixes?            uint32
                          |  |  |  +--rw prevent-teardown?        boolean
                          |  |  |  +--rw warning-threshold-pct?   oc-types:percentage
                          |  |  +--ro state
                          |  |     +--ro max-prefixes?            uint32
                          |  |     +--ro prevent-teardown?        boolean
                          |  |     +--ro warning-threshold-pct?   oc-types:percentage
                          |  |     +--ro prefix-limit-exceeded?   boolean
                          |  +--rw prefix-limit-received
                          |     +--rw config
                          |     |  +--rw max-prefixes?            uint32
                          |     |  +--rw prevent-teardown?        boolean
                          |     |  +--rw warning-threshold-pct?   oc-types:percentage
                          |     +--ro state
                          |        +--ro max-prefixes?            uint32
                          |        +--ro prevent-teardown?        boolean
                          |        +--ro warning-threshold-pct?   oc-types:percentage
                          |        +--ro prefix-limit-exceeded?   boolean

• This change is backwards compatible.

[OpenConfigBot]

Major YANG version changes in commit bc2e6ee:

[rolandphung]

@dplore Any chance to look at this?

[dplore]

Hi, please provide references to implementations of this functionality.