Yang Data Model for BGP extended features

module: ietf-bgp-extensions augment /bgp:bgp/bgp:global: augment /bgp:bgp/bgp:global/bgp:afi-safis/bgp:afi-safi: +--rw aggregate-addr | +--rw aggregate-address? inet:ip-address | +--rw summary-only? boolean | +--rw as-set? boolean | +--rw as-confed-set? boolean | +--rw route-policy? string +--rw aggregate-timer | +--rw enable? boolean | +--rw threshold? uint16 +--rw network | +--rw network? inet:ip-address | +--rw policy? string +--rw bgp-dampening | +--rw half-time? uint8 | +--rw reuse-limit? uint16 | +--rw supresss-limit? uint16 | +--rw max-supress-time? uint8 | +--rw policy? string | ... +--rw auto-summary? boolean +--rw advertise-best-external? boolean augment /bgp:bgp/bgp:neighbors/bgp:neighbor: +--rw propagate-dmzlink-bw? boolean augment /bgp:bgp/bgp:neighbors/bgp:neighbor/bgp:afi-safis/bgp:afi-safi: +--rw aigp | +--rw enable? boolean | +--rw send-med? boolean | +--rw send-cost-community | +--rw id? uint32 | +--rw igp-cost-transitive? boolean | +--rw point-of-insertion? enumeration +--rw soft-reconfig? enumeration augment /bgp:bgp/bgp:peer-groups/bgp:peer-group: +--rw propagate-dmzlink-bw? boolean augment /bgp:bgp/bgp:peer-groups/bgp:peer-group/bgp:afi-safis/bgp:afi-safi: +--rw aigp | +--rw enable? boolean | +--rw send-med? boolean | +--rw send-cost-community | +--rw id? uint32 | +--rw igp-cost-transitive? boolean | +--rw point-of-insertion? enumeration +--rw soft-reconfig? enumeration

<CODE BEGINS> file "ietf-bgp-extensions@2016-07-08.yang" module ietf-bgp-extensions { namespace "urn:ietf:params:xml:ns:yang:ietf-bgp-extensions"; // replace with IANA namespace when assigned prefix bgp-ext; import ietf-inet-types { prefix inet; } import ietf-bgp { prefix bgp; revision-date 2016-01-06; } organization "Cisco Systems 170 West Tasman Drive San Jose, CA 95134-1706 USA"; contact "Keyur Patel keyupate@cisco.com Dhanendra Jain dhjain@cisco.com Susan Hares shares@ndzh.com"; description "This YANG module defines the extensions to the base BGP yang model common across all of the vendor implementations of the protocol. It is intended that the model will be extended by vendors to define vendor-specific models. Terms and Acronyms AIGP (aigp): Accumulated IGP BGP (bgp): Border Gateway Protocol IGP (igp): Interior Gateway Protocol IP (ip): Internet Protocol IPv4 (ipv4):Internet Protocol Version 4 IPv6 (ipv6): Internet Protocol Version 6 MED(med): Multi Exit Discriminator MTU (mtu) Maximum Transmission Unit "; revision 2016-07-08 { description "Initial revision."; reference "RFC XXXX: A YANG Data Model for BGP extended features"; } // // AIGP parameters used in global mode and neighbor AF mode. // grouping bgp-aigp { description "A set of configuration parameters applicable for AIGP configuration"; container aigp { description "AIGP configuration parameters"; leaf enable { type boolean; description "Enable AIGP"; } leaf send-med { type boolean; description "Send AIGP value in MED"; } container send-cost-community { description "Send AIGP value in Cost Community"; leaf id { type uint32; description "Cost Community ID"; } leaf igp-cost-transitive { type boolean; description "Enable transitive cost community"; } leaf point-of-insertion { type enumeration { enum igp-cost { description "Cost community is used after IGP distance to next-hop"; } enum pre-bestpath { description "Cost community is first step in best-path calculation"; } } description "Point of insertion for best-path calculation"; } } } } // // DMZ link bandwidth params // grouping bgp-dmz-link-bw { description "A set of configuration parameters for DMZ link bandwidth"; leaf propagate-dmzlink-bw { type boolean; description "Propagate the DMZ link bandwidth."; } } // // BGP dampening params // grouping bgp-dampening-params { description "BGP dampening parameters"; container bgp-dampening { description "BGP Route Flap Dampening."; leaf half-time { type uint8 { range "1..45"; } description "Half Time (in minutes) to reduce the penalty assigned to a route by half."; } leaf reuse-limit { type uint16 { range "1..20000"; } description "A configurable numeric value that is compared with the penalty. If the penalty is less than the reuse limit, a suppressed route that is up will no longer be suppressed. "; } leaf supresss-limit { type uint16 { range "1..20000"; } description "A configurable numeric value that is compared with the penalty. If the penalty is greater than the suppress limit, the route is suppressed"; } leaf max-supress-time { type uint8 { range "1..255"; } description "The longest amount of time, in minutes, that a route can be suppressed."; } leaf policy { type string ; //TBD leafref to policy model description "Policy to specify criteria for dampening"; } } } // // Grouping for Aggregate address // grouping bgp-aggregate-addr { description "BGP aggregate address parameters grouping"; container aggregate-addr { description "Aggregate address configuration"; leaf aggregate-address { type inet:ip-address; description "Configure BGP aggregate address."; } leaf summary-only { type boolean; description "Filter more specific routes from updates"; } leaf as-set { type boolean; description "Generate AS set path information"; } leaf as-confed-set { type boolean; description "Generate AS confed set path information"; } leaf route-policy { type string; description "Policy to filter routes and specify conditions"; } } } // // Grouping for soft reconfig // grouping soft-reconfig { description "Soft reconfig parameters. Configuring this enables storing of routes as received by this node, prior to applying inbound route-policy"; leaf soft-reconfig { type enumeration { enum "always" { description "Use soft reconfig database upon neighbor reset even if route refresh is configured"; } enum "backup" { description "Use soft reconfig database as backup to route refresh"; } } description "Enable storing of unprocessed routes as received by this node"; } } // // Grouping for all AF extensions. // grouping bgp-af-extension-cfg { description "Grouping for configuration parameters which are applicable to all address families of the BGP router."; // Aggregate related uses bgp-aggregate-addr; // Aggregate Timer container aggregate-timer { description "Configure aggregation timer to specify time interval at which BGP routes will be aggregated for route aggregation."; leaf enable { type boolean; default "true"; description "Enable aggregate timer"; } leaf threshold { type uint16 { range "6..60"; } description "Threshold value in seconds"; } } //Network container network { description "Add networks to BGP table"; leaf network { type inet:ip-address; description "Specify a network to announce via BGP."; } leaf policy { type string; //TBD leaf to policy model. description "Modify route attribute as per policy"; } } // Dampening uses bgp-dampening-params; //Other leafs leaf auto-summary { type boolean; description "Enable automatic network number summarization"; } // Best external leaf advertise-best-external { type boolean; description "Advertise best external path to the internal peers."; } } // Global mode extensions can go here. grouping bgp-gbl-extension-cfg { description "BGP process global extensions grouping"; // BGP process global extensions here. } // Global address family specific extensions. grouping bgp-gbl-af-extension-cfg { description "BGP global address family specific extensions"; //AF extensions common to all AFs uses bgp-af-extension-cfg; } // Neighbor mode extensions. grouping bgp-nbr-extension-cfg { description "BGP neighbor specific extensions"; //NBR extensions go here uses bgp-dmz-link-bw; } // Neighbor address family specific extensions. grouping bgp-nbr-af-extension-cfg { description "BGP neighbor address-family specific extensions"; // NBR-AF extensions go here uses bgp-aigp ; uses soft-reconfig; } //----------------------------------- // Augment BGP model in various places. //------------------------------------ // BGP Global parameters augment "/bgp:bgp/bgp:global" { description "BGP global mode specific extensions"; //add BGP global extensions here uses bgp-gbl-extension-cfg; } // BGP Global Address Family Specific augment "/bgp:bgp/bgp:global/bgp:afi-safis/bgp:afi-safi" { description "BGP global address family mode specific extensions"; //add BGP global AF extensions here uses bgp-gbl-af-extension-cfg; } //BGP Neighbor Specific augment "/bgp:bgp/bgp:neighbors/bgp:neighbor" { description "BGP neighbor mode specific extensions"; // add nbr specific extensions here uses bgp-nbr-extension-cfg; } //BGP Neighbor address-family Specific augment "/bgp:bgp/bgp:neighbors/bgp:neighbor/bgp:afi-safis/bgp:afi-safi" { description "BGP neighbor address family mode specific extensions"; // add nbr AFI-SAFI specific extensions here. uses bgp-nbr-af-extension-cfg; } // BGP Neighbor Groups specific augment "/bgp:bgp/bgp:peer-groups/bgp:peer-group" { description "BGP peer-group mode specific extensions"; // add nbr specific extensions here uses bgp-nbr-extension-cfg; } // BGP Neighbor Group address-family Specific. augment "/bgp:bgp/bgp:peer-groups/bgp:peer-group/bgp:afi-safis/bgp:afi-safi" { description "BGP peer-group address family mode specific extensions"; // add nbr AFI-SAFI specific extensions here. uses bgp-nbr-af-extension-cfg; } } <CODE ENDS>