openconfig-pf-forwarding-policies

This submodule contains configuration and operational state relating to the definition of policy-forwarding policies.

  • Version: 2018-11-21

    openconfig-pf-forwarding-policies@2018-11-21


    
      submodule openconfig-pf-forwarding-policies {
    
        yang-version 1;
    
        belongs-to
          openconfig-policy-forwarding {
            prefix oc-pf;
        }
    
        import openconfig-extensions {
          prefix oc-ext;
        }
        import openconfig-packet-match {
          prefix oc-pmatch;
        }
        import openconfig-yang-types {
          prefix oc-yang;
        }
        import openconfig-inet-types {
          prefix oc-inet;
        }
    
        include openconfig-pf-path-groups;
    
        organization "OpenConfig working group";
    
        contact
          "OpenConfig working group
        www.openconfig.net";
    
        description
          "This submodule contains configuration and operational state
        relating to the definition of policy-forwarding policies.";
    
        revision "2018-11-21" {
          description
            "Add OpenConfig module metadata extensions.";
          reference
            "0.2.1";
    
        }
    
        revision "2017-06-21" {
          description
            "Amend policy forwarding model based on ACL changes.";
          reference
            "0.2.0";
    
        }
    
        revision "2017-02-28" {
          description
            "Initial public release of policy forwarding.";
          reference
            "0.1.0";
    
        }
    
        revision "2016-11-08" {
          description "Initial revision";
          reference
            "0.0.1";
    
        }
    
        oc-ext:openconfig-version "0.2.1";
    
        grouping pf-forwarding-policy-structural {
          description
            "Structural grouping defining forwarding policies under the
          policy- forwarding module.";
          container policies {
            description
              "Forwarding policies defined to enact policy-based forwarding
            on the local system.";
            list policy {
              key "policy-id";
              description
                "A forwarding policy is defined to have a set of match
              criteria, allowing particular fields of a packet's header to
              be matched, and a set of forwarding actions which determines
              how the local system should forward the packet.";
              leaf policy-id {
                type leafref {
                  path "../config/policy-id";
                }
                description
                  "Reference to the identifier for the forwarding-policy.";
              }
    
              container config {
                description
                  "Configuration options relating to the forwarding
                policy.";
                uses pf-forwarding-policy-config;
              }  // container config
    
              container state {
                config false;
                description
                  "Operational state parameters relating to the forwarding
                policy.";
                uses pf-forwarding-policy-config;
              }  // container state
    
              container rules {
                description
                  "The criteria that should be matched for a packet to be
                forwarded according to the policy action.";
                list rule {
                  key "sequence-id";
                  description
                    "A match rule for the policy. In the case that multiple
                  criteria are specified within a single rule, all criteria
                  must be met for the rule to be applied to a packet.";
                  leaf sequence-id {
                    type leafref {
                      path
                        "../config/sequence-id";
                    }
                    description
                      "A unique sequence identifier for the match rule.";
                  }
    
                  container config {
                    description
                      "Configuration parameters relating to the match
                    rule.";
                    uses pf-forwarding-policy-rule-config;
                  }  // container config
    
                  container state {
                    config false;
                    description
                      "Operational state parameters relating to the match
                    rule.";
                    uses pf-forwarding-policy-rule-config;
    
                    uses pf-forwarding-policy-rule-state;
                  }  // container state
    
                  uses oc-pmatch:ethernet-header-top;
    
                  uses oc-pmatch:ipv4-protocol-fields-top;
    
                  uses oc-pmatch:ipv6-protocol-fields-top;
    
                  uses oc-pmatch:transport-fields-top;
    
                  container action {
                    description
                      "The forwarding policy action to be applied for
                    packets matching the rule.";
                    container config {
                      description
                        "Configuration parameters relating to the forwarding
                      rule's action.";
                      uses pf-forwarding-policy-action-config;
                    }  // container config
    
                    container state {
                      config false;
                      description
                        "Operational state parameters relating to the
                      forwarding rule's action.";
                      uses pf-forwarding-policy-action-config;
                    }  // container state
    
                    uses pf-forwarding-policy-action-encapsulate-gre;
                  }  // container action
                }  // list rule
              }  // container rules
            }  // list policy
          }  // container policies
        }  // grouping pf-forwarding-policy-structural
    
        grouping pf-forwarding-policy-config {
          description
            "Configuration parameters relating to the forwarding policy.";
          leaf policy-id {
            type string;
            description
              "A unique name identifying the forwarding policy. This name is
            used when applying the policy to a particular interface.";
          }
        }  // grouping pf-forwarding-policy-config
    
        grouping pf-forwarding-policy-rule-config {
          description
            "Configuration parameters relating to a policy rule.";
          leaf sequence-id {
            type uint32;
            description
              "Unique sequence number for the policy rule.";
          }
        }  // grouping pf-forwarding-policy-rule-config
    
        grouping pf-forwarding-policy-rule-state {
          description
            "Operational state parameters relating to a policy rule.";
          leaf matched-pkts {
            type oc-yang:counter64;
            description
              "Number of packets matched by the rule.";
          }
    
          leaf matched-octets {
            type oc-yang:counter64;
            description
              "Bytes matched by the rule.";
          }
        }  // grouping pf-forwarding-policy-rule-state
    
        grouping pf-forwarding-policy-action-config {
          description
            "Forwarding policy action configuration parameters.";
          leaf discard {
            type boolean;
            default 'false';
            description
              "When this leaf is set to true, the local system should drop
            packets that match the rule.";
          }
    
          leaf decapsulate-gre {
            type boolean;
            default 'false';
            description
              "When this leaf is set to true, the local system should remove
            the GRE header from the packet matching the rule. Following
            the decapsulation it should subsequently forward the
            encapsulated packet according to the relevant lookup (e.g., if
            the encapsulated packet is IP, the packet should be routed
            according to the IP destination).";
          }
    
          leaf network-instance {
            type leafref {
              path
                "../../../../../../../../config/name";
            }
            description
              "When this leaf is set, packets matching the match criteria
            for the forwarding rule should be looked up in the
            network-instance that is referenced rather than the
            network-instance with which the interface is associated.
            Such configuration allows policy-routing into multiple
            sub-topologies from a single ingress access interface, or
            different send and receive contexts for a particular
            interface (sometimes referred to as half-duplex VRF).";
          }
    
          leaf path-selection-group {
            type leafref {
              path
                "../../../../../../../path-selection-groups/"
                  + "path-selection-group/config/group-id";
            }
            description
              "When path-selection-group is set, packets matching the
            match criteria for the forwarding rule should be forwarded
            only via one of the paths that is specified within the
            referenced path-selection-group. The next-hop of the packet
            within the routing context should be used to determine between
            multiple paths that are specified within the group.";
          }
    
          leaf next-hop {
            type oc-inet:ip-address;
            description
              "When an IP next-hop is specified in the next-hop field,
            packets matching the match criteria for the forwarding rule
            should be forwarded to the next-hop IP address, bypassing any
            lookup on the local system.";
          }
        }  // grouping pf-forwarding-policy-action-config
    
        grouping pf-forwarding-policy-action-encapsulate-gre {
          description
            "Structural grouping covering the encapsulate-gre action of the
          policy forwarding rule.";
          container encapsulate-gre {
            description
              "Packets matching the policy rule should be GRE encapsulated
            towards the set of targets defined within the target list. Where
            more than one target is specified, or the target subnet expands
            to more than one endpoint, packets should be load-balanced across
            the destination addresses within the subnets.";
            container config {
              description
                "Configuration parameters for the GRE encapsulation rules action.";
              uses pf-forwarding-policy-action-gre-config;
            }  // container config
    
            container state {
              config false;
              description
                "Operational state parameters for the GRE encapsulation rule
              action.";
              uses pf-forwarding-policy-action-gre-config;
            }  // container state
    
            container targets {
              description
                "Surrounding container for the list of GRE tunnel targets that
              should be encapsulated towards.";
              list target {
                key "id";
                description
                  "Each target specified within this list should be treated as a
                endpoint to which packets should be GRE encapsulated. Where the
                set of destinations described within a single entry expands to
                more than one destination IP address, packets should be load
                shared across the destination using the local system's ECMP hashing
                mechanisms.";
                leaf id {
                  type leafref {
                    path "../config/id";
                  }
                  description
                    "Reference to the unique identifier for the target.";
                }
    
                container config {
                  description
                    "Configuration parameters for the GRE target.";
                  uses pf-forwarding-policy-action-gre-target-config;
                }  // container config
    
                container state {
                  config false;
                  description
                    "Operational state parameters for the GRE target.";
                  uses pf-forwarding-policy-action-gre-target-config;
                }  // container state
              }  // list target
            }  // container targets
          }  // container encapsulate-gre
        }  // grouping pf-forwarding-policy-action-encapsulate-gre
    
        grouping pf-forwarding-policy-action-gre-config {
          description
            "Configuration parameters for the encapsulate-gre forwarding
          policy action.";
          leaf identifying-prefix {
            type oc-inet:ip-prefix;
            description
              "An IP prefix that can be used to identify the group of
             GRE endpoints that are being encapsulated towards. Systems
             that require an IP identifier for the tunnel set
             should use this prefix as the next-hop identifier.";
          }
        }  // grouping pf-forwarding-policy-action-gre-config
    
        grouping pf-forwarding-policy-action-gre-target-config {
          description
            "Configuration parameters for each target of a GRE Encapsulation
          rule";
          leaf id {
            type string;
            description
              "A unique identifier for the target.";
          }
    
          leaf source {
            type oc-inet:ip-address;
            description
              "The source IP address that should be used when encapsulating
            packets from the local system.";
          }
    
          leaf destination {
            type oc-inet:ip-prefix;
            description
              "The set of destination addresses that should be encapsulated towards.
            Where a subnet is specified, each address within the subnet should be
            treated as an independent destination for encapsulated traffic. Packets
            should be distributed with ECMP across the set of tunnel destination
            addresses.";
          }
    
          leaf ip-ttl {
            type uint8;
            description
              "The TTL that should be specified in the IP header of the GRE packet
            encapsulating the packet matching the rule.";
          }
        }  // grouping pf-forwarding-policy-action-gre-target-config
      }  // submodule openconfig-pf-forwarding-policies
    

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