module cisco-xe-switching-cat9k-openconfig-system-deviation {

    yang-version 1;

    namespace
      "http://openconfig.net/yang/cisco-xe-switching-cat9k-openconfig-system-deviation";

    prefix
      cisco-xe-switching-cat9k-oc-system-devs;

    import openconfig-system {
      prefix oc-sys;
    }
    import openconfig-inet-types {
      prefix oc-inet;
    }

    organization "Cisco Systems, Inc.";

    contact
      " Cisco Systems, Inc.
     Customer Service

     Postal: 170 W Tasman Drive
     San Jose, CA 95134

     Tel: +1 1800 553-NETS

     E-mail: cs-yang@cisco.com";

    description
      "This module defines deviation statements for openconfig-system module.";

    revision "2018-07-01" {
      description
        "Add deviations to the Auth and Acc radius default port and NTP iburst values";
    }

    revision "2018-06-08" {
      description
        "aaa/authentication/users/user/config/ssh-key and
       aaa/authentication/users/user/state/ssh-key not supported in 16.9.1";
    }

    revision "2018-03-23" {
      description
        "logging/remote-servers/selectors are not supported in 16.9.1";
    }

    revision "2018-03-17" {
      description
        "Add deviation to restrict logging remote-server host type to ip addresses";
    }

    revision "2018-03-16" {
      description
        "Add deviation to remove telnet-server/session-limit which is not supported in IOS-XE";
    }

    revision "2018-03-15" {
      description
        "Add deviation to require that the severity level for all selectors on a host must be the same
       this is currently the limitation of IOS feature code that only allows one discriminator
       to be applied to a logging host";
    }

    revision "2018-03-11" {
      description
        "Remove source interface augmentations for ntp, radius and tackacs";
    }

    revision "2018-03-07" {
      description
        "Deviate out ntp/source-address leaf";
    }

    revision "2018-03-06" {
      description
        "Enable logging/remote-servers in 16.9.1";
    }

    revision "2018-02-08" {
      description
        "Remove additional nodes supported in 16.9.1";
    }

    revision "2018-02-02" {
      description
        "Remove deviations for nodes supported in 16.9.1";
    }

    revision "2018-01-10" {
      description
        "The aaa server source ip address can't be configured in IOS-XE";
    }

    revision "2018-01-07" {
      description
        "The ntp server port number can't be configured in IOS-XE";
    }

    revision "2017-11-28" {
      description
        "Add deviations to remove authorization-method from aaa:authorization config section";
    }

    revision "2017-11-08" {
      description
        "Remvoed deviations to remove openconfig-system-logging features";
    }

    revision "2017-10-11" {
      description
        "Add deviations to remove openconfig-system features not implemented in 16.8.1";
      reference
        "RFC 6020: YANG - A Data Modeling Language for the
        Network Configuration Protocol (NETCONF)";

    }

    deviation /oc-sys:system/oc-sys:aaa/oc-sys:authentication/oc-sys:users/oc-sys:user/oc-sys:config/oc-sys:ssh-key {
      description
        "user ssh-key is not supported in 16.9.1";
      deviate not-supported;
    }
    deviation /oc-sys:system/oc-sys:aaa/oc-sys:authentication/oc-sys:users/oc-sys:user/oc-sys:state/oc-sys:ssh-key {
      description
        "user ssh-key is not supported in 16.9.1";
      deviate not-supported;
    }
    deviation /oc-sys:system/oc-sys:logging/oc-sys:remote-servers/oc-sys:remote-server/oc-sys:config/oc-sys:host {
      description
        "For IOS-XE logging remote-server hostnames must be ip addresses";
      deviate replace {
        type oc-inet:ip-address;
      }
    }
    deviation /oc-sys:system/oc-sys:logging/oc-sys:remote-servers/oc-sys:remote-server/oc-sys:selectors {
      description
        "oc-system logging selectors not supported in 16.9.1";
      deviate not-supported;
    }
    deviation /oc-sys:system/oc-sys:dns/oc-sys:host-entries/oc-sys:host-entry/oc-sys:config/oc-sys:alias {
      description
        "oc-system dns alias not supported in IOS-XE";
      deviate not-supported;
    }
    deviation /oc-sys:system/oc-sys:dns/oc-sys:host-entries/oc-sys:host-entry/oc-sys:state/oc-sys:alias {
      description
        "oc-system dns alias not supported in IOS-XE";
      deviate not-supported;
    }
    deviation /oc-sys:system/oc-sys:aaa/oc-sys:server-groups/oc-sys:server-group/oc-sys:servers/oc-sys:server/oc-sys:config/oc-sys:name {
      description
        "oc-system aaa server name can't be directly configured in IOS-XE";
      deviate not-supported;
    }
    deviation /oc-sys:system/oc-sys:aaa/oc-sys:server-groups/oc-sys:server-group/oc-sys:servers/oc-sys:server/oc-sys:radius/oc-sys:config/oc-sys:auth-port {
      description
        "AAA Auth port default value is different in IOS XE";
      deviate replace {
        default "1646";
      }
    }
    deviation /oc-sys:system/oc-sys:aaa/oc-sys:server-groups/oc-sys:server-group/oc-sys:servers/oc-sys:server/oc-sys:radius/oc-sys:config/oc-sys:acct-port {
      description
        "AAA Acct port default value is different in IOS XE";
      deviate replace {
        default "1645";
      }
    }
    deviation /oc-sys:system/oc-sys:aaa/oc-sys:server-groups/oc-sys:server-group/oc-sys:servers/oc-sys:server/oc-sys:state/oc-sys:name {
      description
        "oc-system aaa server name can't be directly configured in IOS-XE";
      deviate not-supported;
    }
    deviation /oc-sys:system/oc-sys:ntp/oc-sys:servers/oc-sys:server/oc-sys:config/oc-sys:port {
      description
        "oc-system ntp/.../port configuration not supported in IOS-XE, is always port 123.";
      deviate not-supported;
    }
    deviation /oc-sys:system/oc-sys:ntp/oc-sys:servers/oc-sys:server/oc-sys:config/oc-sys:iburst {
      description
        "The default value for oc-system ntp/.../iburst is true in IOS-XE.";
      deviate replace {
        default "true";
      }
    }
    deviation /oc-sys:system/oc-sys:ssh-server/oc-sys:config/oc-sys:rate-limit {
      description
        "ssh-server rate limiting not supported on Cisco devices";
      deviate not-supported;
    }
    deviation /oc-sys:system/oc-sys:ssh-server/oc-sys:state/oc-sys:rate-limit {
      description
        "ssh-server rate limiting not supported on Cisco devices";
      deviate not-supported;
    }
    deviation /oc-sys:system/oc-sys:telnet-server/oc-sys:config/oc-sys:session-limit {
      description
        "telnet-server session limiting not supported on Cisco devices";
      deviate not-supported;
    }
    deviation /oc-sys:system/oc-sys:telnet-server/oc-sys:state/oc-sys:session-limit {
      description
        "telnet-server session limiting not supported on Cisco devices";
      deviate not-supported;
    }
    deviation /oc-sys:system/oc-sys:telnet-server/oc-sys:config/oc-sys:rate-limit {
      description
        "telnet-server rate limiting not supported on Cisco devices";
      deviate not-supported;
    }
    deviation /oc-sys:system/oc-sys:telnet-server/oc-sys:state/oc-sys:rate-limit {
      description
        "telnet-server rate limiting not supported on Cisco devices";
      deviate not-supported;
    }
    deviation /oc-sys:system/oc-sys:processes/oc-sys:process/oc-sys:state/oc-sys:args {
      description
        "oc-system processes state args not supported in 16.8.1.";
      deviate not-supported;
    }
    deviation /oc-sys:system/oc-sys:processes/oc-sys:process/oc-sys:state/oc-sys:start-time {
      description
        "oc-system processes state start-time not supported in 16.8.1.";
      deviate not-supported;
    }
    deviation /oc-sys:system/oc-sys:processes/oc-sys:process/oc-sys:state/oc-sys:uptime {
      description
        "oc-system processes state uptime not supported in 16.8.1.";
      deviate not-supported;
    }
    deviation /oc-sys:system/oc-sys:processes/oc-sys:process/oc-sys:state/oc-sys:cpu-usage-system {
      description
        "oc-system processes state cpu-usage-system not supported in 16.8.1.";
      deviate not-supported;
    }
    deviation /oc-sys:system/oc-sys:processes/oc-sys:process/oc-sys:state/oc-sys:memory-utilization {
      description
        "oc-system processes state memory-utilization not supported in 16.8.1.";
      deviate not-supported;
    }
    deviation /oc-sys:system/oc-sys:ntp/oc-sys:state/oc-sys:auth-mismatch {
      description
        "oc-system ntp auth-mismatch state not supported in 16.9.1.";
      deviate not-supported;
    }
    deviation /oc-sys:system/oc-sys:logging/oc-sys:console {
      description
        "oc-system logging console is not supported in 16.9.1.";
      deviate not-supported;
    }
    deviation /oc-sys:system/oc-sys:alarms {
      description
        "oc-system alarms are not supported in 16.9.1.";
      deviate not-supported;
    }
    deviation /oc-sys:system/oc-sys:cpus {
      description
        "oc-system cpu is not supported in 16.9.1.";
      deviate not-supported;
    }
  }  // module cisco-xe-switching-cat9k-openconfig-system-deviation