Implement evpn advanced support (#324)

Author: Dan-Dev-Net

docs/data-sources/bgp_address_family_l2vpn.md

@@ -33,4 +33,6 @@ data "iosxe_bgp_address_family_l2vpn" "example" {
 
 ### Read-Only
 
+- `bgp_nexthop_trigger_delay` (Number) Set the delay to trigger nexthop tracking
 - `id` (String) The path of the retrieved object.
+- `rewrite_evpn_rt_asn` (Boolean) Enable rewrite RT in the BGP EVPN address-family

docs/resources/bgp_address_family_l2vpn.md

@@ -14,8 +14,10 @@ This resource can manage the BGP Address Family L2VPN configuration.
 
 ```terraform
 resource "iosxe_bgp_address_family_l2vpn" "example" {
-  asn     = "65000"
-  af_name = "evpn"
+  asn                       = "65000"
+  af_name                   = "evpn"
+  rewrite_evpn_rt_asn       = true
+  bgp_nexthop_trigger_delay = 10
 }
 ```
 
@@ -29,9 +31,12 @@ resource "iosxe_bgp_address_family_l2vpn" "example" {
 
 ### Optional
 
+- `bgp_nexthop_trigger_delay` (Number) Set the delay to trigger nexthop tracking
+  - Range: `0`-`100`
 - `delete_mode` (String) Configure behavior when deleting/destroying the resource. Either delete the entire object (YANG container) being managed, or only delete the individual resource attributes configured explicitly and leave everything else as-is. Default value is `all`.
   - Choices: `all`, `attributes`
 - `device` (String) A device name from the provider configuration.
+- `rewrite_evpn_rt_asn` (Boolean) Enable rewrite RT in the BGP EVPN address-family
 
 ### Read-Only
 

examples/resources/iosxe_bgp_address_family_l2vpn/resource.tf

@@ -1,4 +1,6 @@
 resource "iosxe_bgp_address_family_l2vpn" "example" {
-  asn     = "65000"
-  af_name = "evpn"
+  asn                       = "65000"
+  af_name                   = "evpn"
+  rewrite_evpn_rt_asn       = true
+  bgp_nexthop_trigger_delay = 10
 }

gen/definitions/bgp_address_family_l2vpn.yaml

@@ -9,6 +9,12 @@ attributes:
     example: 65000
   - yang_name: af-name
     example: evpn
+  - yang_name: l2vpn-evpn/rewrite-evpn-rt-asn
+    tf_name: rewrite_evpn_rt_asn
+    example: true
+  - yang_name: l2vpn-evpn/bgp/nexthop/trigger/delay
+    tf_name: bgp_nexthop_trigger_delay
+    example: 10
 test_prerequisites:
   - path: Cisco-IOS-XE-native:native/router/Cisco-IOS-XE-bgp:bgp=65000
     attributes: