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sonic-loopback-interface.yang
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sonic-loopback-interface.yang
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module sonic-loopback-interface {
yang-version 1.1;
namespace "http://github.com/sonic-net/sonic-loopback-interface";
prefix lointf;
import sonic-types {
prefix stypes;
}
import sonic-extension {
prefix ext;
}
import sonic-vrf {
prefix vrf;
}
description
"SONIC LOOPBACK INTERFACE";
revision 2021-04-05 {
description "Modify the type of vrf name";
}
revision 2020-02-05 {
description "First Revision";
}
container sonic-loopback-interface {
container LOOPBACK_INTERFACE {
list LOOPBACK_INTERFACE_LIST {
key "name";
leaf name{
type string;
}
leaf vrf_name {
type leafref {
path "/vrf:sonic-vrf/vrf:VRF/vrf:VRF_LIST/vrf:name";
}
}
leaf nat_zone {
description "NAT Zone for the loopback interface";
type uint8 {
range "0..3" {
error-message "Invalid nat zone for the loopback interface.";
error-app-tag nat-zone-invalid;
}
}
default "0";
}
}
/* end of LOOPBACK_INTERFACE_LIST */
list LOOPBACK_INTERFACE_IPPREFIX_LIST {
key "name ip-prefix";
leaf name{
description "Loopback interface name";
type leafref {
path "../../LOOPBACK_INTERFACE_LIST/name";
}
}
leaf ip-prefix {
type union {
type stypes:sonic-ip4-prefix;
type stypes:sonic-ip6-prefix;
}
}
leaf scope {
type enumeration {
enum global;
enum local;
}
}
leaf family {
/* family leaf needed for backward compatibility
Both ip4 and ip6 address are string in IETF RFC 6021,
so must statement can check based on : or ., family
should be IPv4 or IPv6 according.
*/
must "(contains(../ip-prefix, ':') and current()='IPv6') or
(contains(../ip-prefix, '.') and current()='IPv4')";
type stypes:ip-family;
}
}
}
/* end of LOOPBACK_INTERFACE_IPPREFIX_LIST */
}
}