Class: Cisco::Interface

Inherits:
Object
  • Object
show all
Defined in:
lib/cisco_node_utils/interface.rb

Constant Summary collapse

@@node = 
Cisco::Node.instance

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(name, instantiate = true) ⇒ Interface

Returns a new instance of Interface.

Raises:

  • (TypeError) 


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# File 'lib/cisco_node_utils/interface.rb', line 36

def initialize(name, instantiate=true)
  raise TypeError unless name.is_a?(String)
  raise ArgumentError unless name.length > 0
  @name = name.downcase

  create if instantiate
end

Instance Attribute Details

#name ⇒ Object (readonly)

Returns the value of attribute name.



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# File 'lib/cisco_node_utils/interface.rb', line 32

def name
  @name
end

Class Method Details

.interfaces ⇒ Object 



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# File 'lib/cisco_node_utils/interface.rb', line 44

def Interface.interfaces
  hash = {}
  intf_list = @@node.config_get("interface", "all_interfaces")
  return hash if intf_list.nil?

  intf_list.each do |id|
    id = id.downcase
    hash[id] = Interface.new(id, false)
  end
  hash
end

Instance Method Details

#access_vlan ⇒ Object

PROPERTIES #



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# File 'lib/cisco_node_utils/interface.rb', line 69

def access_vlan
  vlan = @@node.config_get("interface", "access_vlan", @name)
  return default_access_vlan if vlan.nil?
  vlan.shift.to_i
end

#access_vlan=(vlan) ⇒ Object 



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# File 'lib/cisco_node_utils/interface.rb', line 75

def access_vlan=(vlan)
  @@node.config_set("interface", "access_vlan", @name, vlan)
rescue Cisco::CliError => e
  raise "[#{@name}] '#{e.command}' : #{e.clierror}"
end

#check_switchport_disabled ⇒ Object 



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# File 'lib/cisco_node_utils/interface.rb', line 583

def check_switchport_disabled
  raise "#{caller[0][/`.*'/][1..-2]} cannot be set unless switchport mode" +
    " is disabled" unless switchport_mode == :disabled
end

#create ⇒ Object 



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# File 'lib/cisco_node_utils/interface.rb', line 56

def create
  feature_vlan_set(true) if @name[/vlan/i]
  @@node.config_set("interface", "create", @name)
end

#default_access_vlan ⇒ Object 



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# File 'lib/cisco_node_utils/interface.rb', line 81

def default_access_vlan
  @@node.config_get_default("interface", "access_vlan")
end

#default_description ⇒ Object 



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# File 'lib/cisco_node_utils/interface.rb', line 100

def default_description
  @@node.config_get_default("interface", "description")
end

#default_encapsulation_dot1q ⇒ Object 



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# File 'lib/cisco_node_utils/interface.rb', line 118

def default_encapsulation_dot1q
  @@node.config_get_default("interface", "encapsulation_dot1q")
end

#default_ipv4_address ⇒ Object 



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# File 'lib/cisco_node_utils/interface.rb', line 172

def default_ipv4_address
  @@node.config_get_default("interface", "ipv4_address")
end

#default_ipv4_netmask_length ⇒ Object 



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# File 'lib/cisco_node_utils/interface.rb', line 183

def default_ipv4_netmask_length
  @@node.config_get_default("interface", "ipv4_netmask_length")
end

#default_ipv4_proxy_arp ⇒ Object 



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# File 'lib/cisco_node_utils/interface.rb', line 198

def default_ipv4_proxy_arp
  @@node.config_get_default("interface", "ipv4_proxy_arp")
end

#default_ipv4_redirects ⇒ Object 



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# File 'lib/cisco_node_utils/interface.rb', line 232

def default_ipv4_redirects
  @@node.config_get_default("interface", ipv4_redirects_lookup_string)
end

#default_mtu ⇒ Object 



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# File 'lib/cisco_node_utils/interface.rb', line 259

def default_mtu
  @@node.config_get_default("interface", "mtu")
end

#default_negotiate_auto ⇒ Object 



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# File 'lib/cisco_node_utils/interface.rb', line 300

def default_negotiate_auto
  @@node.config_get_default("interface", negotiate_auto_lookup_string)
end

#default_shutdown ⇒ Object 



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# File 'lib/cisco_node_utils/interface.rb', line 316

def default_shutdown
  case @name
  when /Ethernet/i
    def_sw = system_default_switchport
    def_shut = system_default_switchport_shutdown

    if def_sw and def_shut
      lookup = "shutdown_ethernet_switchport_shutdown"
    elsif def_sw and not def_shut
      lookup = "shutdown_ethernet_switchport_noshutdown"
    elsif not def_sw and def_shut
      lookup = "shutdown_ethernet_noswitchport_shutdown"
    elsif not def_sw and not def_shut
      lookup = "shutdown_ethernet_noswitchport_noshutdown"
    else
      raise "Error: def_sw #{def_sw}, def_shut #{def_shut}"
    end

  when /loopback/i
    lookup = "shutdown_loopback"

  when /port-channel/i  # EtherChannel
    lookup = "shutdown_ether_channel"

  when /Vlan/i
    lookup = "shutdown_vlan"

  else
    lookup = "shutdown_unknown"
  end
  @@node.config_get_default("interface", lookup)
end

#default_svi_autostate ⇒ Object 



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# File 'lib/cisco_node_utils/interface.rb', line 546

def default_svi_autostate
  system_default_svi_autostate
end

#default_svi_management ⇒ Object 



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# File 'lib/cisco_node_utils/interface.rb', line 571

def default_svi_management
  @@node.config_get_default("interface", "svi_management")
end

#default_switchport_autostate_exclude ⇒ Object 



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# File 'lib/cisco_node_utils/interface.rb', line 374

def default_switchport_autostate_exclude
  @@node.config_get_default("interface", "switchport_autostate_exclude")
end

#default_switchport_mode ⇒ Object 



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# File 'lib/cisco_node_utils/interface.rb', line 443

def default_switchport_mode
  return :disabled unless system_default_switchport
  IF_SWITCHPORT_MODE.key(
    @@node.config_get_default("interface", switchport_mode_lookup_string))
end

#default_switchport_trunk_allowed_vlan ⇒ Object 



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# File 'lib/cisco_node_utils/interface.rb', line 466

def default_switchport_trunk_allowed_vlan
  @@node.config_get_default("interface", "switchport_trunk_allowed_vlan")
end

#default_switchport_trunk_native_vlan ⇒ Object 



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# File 'lib/cisco_node_utils/interface.rb', line 487

def default_switchport_trunk_native_vlan
  @@node.config_get_default("interface", "switchport_trunk_native_vlan")
end

#default_switchport_vtp ⇒ Object 



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# File 'lib/cisco_node_utils/interface.rb', line 575

def default_switchport_vtp
  @@node.config_get_default("interface", "vtp")
end

#default_vrf ⇒ Object 



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# File 'lib/cisco_node_utils/interface.rb', line 603

def default_vrf
  @@node.config_get_default("interface", "vrf")
end

#description ⇒ Object 



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# File 'lib/cisco_node_utils/interface.rb', line 85

def description
  desc = @@node.config_get("interface", "description", @name)
  return "" if desc.nil?
  desc.shift.strip
end

#description=(desc) ⇒ Object 



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# File 'lib/cisco_node_utils/interface.rb', line 91

def description=(desc)
  raise TypeError unless desc.is_a?(String)
  desc.empty? ?
    @@node.config_set("interface", "description", @name, "no", "") :
    @@node.config_set("interface", "description", @name, "", desc)
rescue Cisco::CliError => e
  raise "[#{@name}] '#{e.command}' : #{e.clierror}"
end

#destroy ⇒ Object 



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# File 'lib/cisco_node_utils/interface.rb', line 61

def destroy
  @@node.config_set("interface", "destroy", @name)
end

#encapsulation_dot1q ⇒ Object 



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# File 'lib/cisco_node_utils/interface.rb', line 104

def encapsulation_dot1q
  val = @@node.config_get("interface", "encapsulation_dot1q", @name)
  return default_encapsulation_dot1q if val.nil?
  val.shift.strip.to_i
end

#encapsulation_dot1q=(val) ⇒ Object 



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# File 'lib/cisco_node_utils/interface.rb', line 110

def encapsulation_dot1q=(val)
  val.nil? ?
    @@node.config_set("interface", "encapsulation_dot1q", @name, "no", "") :
    @@node.config_set("interface", "encapsulation_dot1q", @name, "", val)
rescue Cisco::CliError => e
  raise "[#{@name}] '#{e.command}' : #{e.clierror}"
end

#feature_lacp? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/cisco_node_utils/interface.rb', line 236

def feature_lacp?
  not @@node.config_get("interface", "feature_lacp").nil?
end

#feature_lacp_set(val) ⇒ Object 



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# File 'lib/cisco_node_utils/interface.rb', line 240

def feature_lacp_set(val)
  return if feature_lacp? == val
  @@node.config_set("interface", "feature_lacp", val ? "" : "no")
end

#feature_vlan? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/cisco_node_utils/interface.rb', line 550

def feature_vlan?
  not @@node.config_get("interface", "feature_vlan").nil?
end

#feature_vlan_set(val) ⇒ Object 



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# File 'lib/cisco_node_utils/interface.rb', line 554

def feature_vlan_set(val)
  return if feature_vlan? == val
  @@node.config_set("interface", "feature_vlan", val ? "" : "no")
end

#fex_feature ⇒ Object 



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# File 'lib/cisco_node_utils/interface.rb', line 122

def fex_feature
  fex = @@node.config_get("fex", "feature")
  raise "fex_feature not found" if fex.nil?
  fex.shift.to_sym
end

#fex_feature_set(fex_set) ⇒ Object 



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# File 'lib/cisco_node_utils/interface.rb', line 128

def fex_feature_set(fex_set)
  curr = fex_feature
  return if curr == fex_set

  case fex_set
  when :enabled
    @@node.config_set("fex", "feature_install", "") if curr == :uninstalled
    @@node.config_set("fex", "feature", "")
  when :disabled
    @@node.config_set("fex", "feature", "no") if curr == :enabled
    return
  when :installed
    @@node.config_set("fex", "feature_install", "") if curr == :uninstalled
  when :uninstalled
    @@node.config_set("fex", "feature", "no") if curr == :enabled
    @@node.config_set("fex", "feature_install", "no")
  end
rescue Cisco::CliError => e
  raise "[#{@name}] '#{e.command}' : #{e.clierror}"
end

#ipv4_addr_mask ⇒ Object 



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# File 'lib/cisco_node_utils/interface.rb', line 149

def ipv4_addr_mask
  @@node.config_get("interface", "ipv4_addr_mask", @name)
end

#ipv4_addr_mask_set(addr, mask) ⇒ Object 



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# File 'lib/cisco_node_utils/interface.rb', line 153

def ipv4_addr_mask_set(addr, mask)
  check_switchport_disabled
  if addr.nil? or addr == default_ipv4_address
    @@node.config_set("interface", "ipv4_addr_mask", @name, "no", "")
  else
    @@node.config_set("interface", "ipv4_addr_mask", @name, "",
                     "#{addr}/#{mask}")
  end
rescue Cisco::CliError => e
  raise "[#{@name}] '#{e.command}' : #{e.clierror}"
end

#ipv4_address ⇒ Object 



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# File 'lib/cisco_node_utils/interface.rb', line 165

def ipv4_address
  val = ipv4_addr_mask
  return default_ipv4_address if val.nil?
  addr, mask = val.shift
  addr
end

#ipv4_netmask_length ⇒ Object 



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# File 'lib/cisco_node_utils/interface.rb', line 176

def ipv4_netmask_length
  val = ipv4_addr_mask
  return default_ipv4_netmask_length if val.nil?
  addr, mask = val.shift
  mask.to_i
end

#ipv4_proxy_arp ⇒ Object 



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# File 'lib/cisco_node_utils/interface.rb', line 187

def ipv4_proxy_arp
  state = @@node.config_get("interface", "ipv4_proxy_arp", @name)
  state.nil? ? false : true
end

#ipv4_proxy_arp=(proxy_arp) ⇒ Object 



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# File 'lib/cisco_node_utils/interface.rb', line 192

def ipv4_proxy_arp=(proxy_arp)
  check_switchport_disabled
  no_cmd = (proxy_arp ? "" : "no")
  @@node.config_set("interface", "ipv4_proxy_arp", @name, no_cmd)
end

#ipv4_redirects ⇒ Object 



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# File 'lib/cisco_node_utils/interface.rb', line 211

def ipv4_redirects
  begin
    state = @@node.config_get("interface",
                              ipv4_redirects_lookup_string, @name)
  rescue IndexError
    state = nil
  end
  # We return default state for the platform if the platform doesn't support
  # the command
  return default_ipv4_redirects if state.nil? or state.empty?
  state.shift[/^ip redirects$/] ? true : false
end

#ipv4_redirects=(redirects) ⇒ Object 



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# File 'lib/cisco_node_utils/interface.rb', line 224

def ipv4_redirects=(redirects)
  check_switchport_disabled
  no_cmd = (redirects ? "" : "no")
  @@node.config_set("interface", ipv4_redirects_lookup_string, @name, no_cmd)
rescue IndexError
  raise "ipv4 redirects not supported on #{@name}"
end

#ipv4_redirects_lookup_string ⇒ Object 



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# File 'lib/cisco_node_utils/interface.rb', line 202

def ipv4_redirects_lookup_string
  case @name
  when /loopback/i
    return "ipv4_redirects_loopback"
  else
    return "ipv4_redirects_other_interfaces"
  end
end

#mtu ⇒ Object 



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# File 'lib/cisco_node_utils/interface.rb', line 245

def mtu
  mtu = @@node.config_get("interface", "mtu", @name)
  return default_mtu if mtu.nil?
  mtu.shift.strip.to_i
end

#mtu=(mtu) ⇒ Object 



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# File 'lib/cisco_node_utils/interface.rb', line 251

def mtu=(mtu)
  mtu.nil? ?
    @@node.config_set("interface", "mtu", @name, "no", "") :
    @@node.config_set("interface", "mtu", @name, "", mtu)
rescue Cisco::CliError => e
  raise "[#{@name}] '#{e.command}' : #{e.clierror}"
end

#negotiate_auto ⇒ Object 



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# File 'lib/cisco_node_utils/interface.rb', line 274

def negotiate_auto
  lookup = negotiate_auto_lookup_string
  begin
    state = @@node.config_get("interface", lookup, @name)
  rescue IndexError
    # We return default state even if the config_get is not supported
    # for this platform / interface type. This is done so that we can set
    # the manifest to 'default' so there is a 'workaround' for the
    # unsupported attribute
    return default_negotiate_auto
  end
  state.nil? ? false : true
end

#negotiate_auto=(negotiate_auto) ⇒ Object 



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# File 'lib/cisco_node_utils/interface.rb', line 288

def negotiate_auto=(negotiate_auto)
  lookup = negotiate_auto_lookup_string
  no_cmd = (negotiate_auto ? "" : "no")
  begin
    @@node.config_set("interface", lookup, @name, no_cmd)
  rescue Cisco::CliError => e
    raise "[#{@name}] '#{e.command}' : #{e.clierror}"
  rescue IndexError
    raise "[#{@name}] negotiate_auto is not supported on this interface"
  end
end

#negotiate_auto_lookup_string ⇒ Object 



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# File 'lib/cisco_node_utils/interface.rb', line 263

def negotiate_auto_lookup_string
  case @name
  when /Ethernet/i
    return "negotiate_auto_ethernet"
  when /port-channel/i # Ether-channel
    return "negotiate_auto_portchannel"
  else
    return "negotiate_auto_other_interfaces"
  end
end

#shutdown ⇒ Object 



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# File 'lib/cisco_node_utils/interface.rb', line 304

def shutdown
  state = @@node.config_get("interface", "shutdown", @name)
  state ? true : false
end

#shutdown=(state) ⇒ Object 



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# File 'lib/cisco_node_utils/interface.rb', line 309

def shutdown=(state)
  no_cmd = (state ? "" : "no")
  @@node.config_set("interface", "shutdown", @name, no_cmd)
rescue Cisco::CliError => e
  raise "[#{@name}] '#{e.command}' : #{e.clierror}"
end

#svi_autostate ⇒ Object

svi_autostate is exclusive to svi interfaces



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# File 'lib/cisco_node_utils/interface.rb', line 535

def svi_autostate
  return nil unless @name[/^vlan/i]
  not @@node.config_get("interface", "svi_autostate", @name).nil?
end

#svi_autostate=(val) ⇒ Object 



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# File 'lib/cisco_node_utils/interface.rb', line 540

def svi_autostate=(val)
  check_switchport_disabled
  svi_cmd_allowed?('autostate')
  @@node.config_set("interface", "svi_autostate", @name, val ? "" : "no")
end

#svi_cmd_allowed?(cmd) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/cisco_node_utils/interface.rb', line 529

def svi_cmd_allowed?(cmd)
  raise "[#{@name}] Invalid interface type for command [#{cmd}]" unless
    @name[/vlan/i]
end

#svi_management ⇒ Object

svi_management is exclusive to svi interfaces



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# File 'lib/cisco_node_utils/interface.rb', line 560

def svi_management
  return nil unless @name[/^vlan/i]
  not @@node.config_get("interface", "svi_management", @name).nil?
end

#svi_management=(val) ⇒ Object 



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# File 'lib/cisco_node_utils/interface.rb', line 565

def svi_management=(val)
  check_switchport_disabled
  svi_cmd_allowed?('management')
  @@node.config_set("interface", "svi_management", @name, val ? "" : "no")
end

#switchport ⇒ Object 



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# File 'lib/cisco_node_utils/interface.rb', line 349

def switchport
  # This is "switchport", not "switchport mode"
  sw = @@node.config_get("interface", "switchport", @name)
  sw.nil? ? false : true
end

#switchport_autostate_exclude ⇒ Object

switchport_autostate_exclude is exclusive to switchport interfaces



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# File 'lib/cisco_node_utils/interface.rb', line 360

def switchport_autostate_exclude
  not @@node.config_get("interface",
                       "switchport_autostate_exclude", @name).nil?
end

#switchport_autostate_exclude=(val) ⇒ Object 



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# File 'lib/cisco_node_utils/interface.rb', line 365

def switchport_autostate_exclude=(val)
  # cannot configure autostate unless feature vlan is enabled
  raise "switchport mode must be configured before switchport autostate" unless
    switchport
  feature_vlan_set(true)
  @@node.config_set("interface", "switchport_autostate_exclude",
                   @name, val ? "" : "no")
end

#switchport_enable(val = true) ⇒ Object 



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# File 'lib/cisco_node_utils/interface.rb', line 355

def switchport_enable(val=true)
  @@node.config_set("interface", "switchport", @name, val ? "" : "no")
end

#switchport_enable_and_mode(mode_set) ⇒ Object 



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# File 'lib/cisco_node_utils/interface.rb', line 401

def switchport_enable_and_mode(mode_set)
  switchport_enable unless switchport

  if (:fex_fabric == mode_set)
    fex_feature_set(:enabled) unless (:enabled == fex_feature)
  end
  @@node.config_set("interface", switchport_mode_lookup_string, @name, "",
                   IF_SWITCHPORT_MODE[mode_set])

rescue RuntimeError
  raise "[#{@name}] switchport_mode is not supported on this interface"
end

#switchport_mode ⇒ Object 



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# File 'lib/cisco_node_utils/interface.rb', line 389

def switchport_mode
  mode = @@node.config_get("interface", switchport_mode_lookup_string, @name)

  return mode.nil? ? :disabled : IF_SWITCHPORT_MODE.key(mode.shift)

rescue IndexError
  # Assume this is an interface that doesn't support switchport.
  # Do not raise exception since the providers will prefetch this property
  # regardless of interface type.
  return :disabled
end

#switchport_mode=(mode_set) ⇒ Object 



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# File 'lib/cisco_node_utils/interface.rb', line 414

def switchport_mode=(mode_set)
  # no system default switchport
  # int e1/1
  #   switchport
  #   switchport mode [access|trunk|fex|...]
  raise ArgumentError unless IF_SWITCHPORT_MODE.keys.include? mode_set
  case mode_set
  when :disabled
    if switchport
      # Note: turn off switchport command, not switchport mode
      @@node.config_set("interface", "switchport", @name, "no")
    end

  when :default
    if :disabled == default_switchport_mode
      @@node.config_set("interface", switchport_mode_lookup_string,
                        @name, "no", "")
    else
      switchport_enable_and_mode(mode_set)
    end

  else
    switchport_enable_and_mode(mode_set)
  end # case

rescue Cisco::CliError => e
  raise "[#{@name}] '#{e.command}' : #{e.clierror}"
end

#switchport_mode_lookup_string ⇒ Object 



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# File 'lib/cisco_node_utils/interface.rb', line 378

def switchport_mode_lookup_string
  case @name
  when /Ethernet/i
    return "switchport_mode_ethernet"
  when /port-channel/i
    return "switchport_mode_port_channel"
  else
    return "switchport_mode_other_interfaces"
  end
end

#switchport_trunk_allowed_vlan ⇒ Object 



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# File 'lib/cisco_node_utils/interface.rb', line 449

def switchport_trunk_allowed_vlan
  val = @@node.config_get(
    "interface", "switchport_trunk_allowed_vlan", @name)
  return default_switchport_trunk_allowed_vlan if val.nil?
  val.shift.strip
end

#switchport_trunk_allowed_vlan=(val) ⇒ Object 



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# File 'lib/cisco_node_utils/interface.rb', line 456

def switchport_trunk_allowed_vlan=(val)
  val.nil? ?
    @@node.config_set(
      "interface", "switchport_trunk_allowed_vlan", @name, "no", "") :
    @@node.config_set(
      "interface", "switchport_trunk_allowed_vlan", @name, "", val)
rescue Cisco::CliError => e
  raise "[#{@name}] '#{e.command}' : #{e.clierror}"
end

#switchport_trunk_native_vlan ⇒ Object 



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# File 'lib/cisco_node_utils/interface.rb', line 470

def switchport_trunk_native_vlan
  val = @@node.config_get(
    "interface", "switchport_trunk_native_vlan", @name)
  return default_switchport_trunk_native_vlan if val.nil?
  val.shift.strip.to_i
end

#switchport_trunk_native_vlan=(val) ⇒ Object 



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# File 'lib/cisco_node_utils/interface.rb', line 477

def switchport_trunk_native_vlan=(val)
  val.nil? ?
    @@node.config_set(
      "interface", "switchport_trunk_native_vlan", @name, "no", "") :
    @@node.config_set(
      "interface", "switchport_trunk_native_vlan", @name, "", val)
rescue Cisco::CliError => e
  raise "[#{@name}] '#{e.command}' : #{e.clierror}"
end

#switchport_vtp ⇒ Object 



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# File 'lib/cisco_node_utils/interface.rb', line 515

def switchport_vtp
  return false unless switchport_vtp_mode_capable?
  vtp = @@node.config_get("interface", "vtp", @name)
  vtp.nil? ? false : true
end

#switchport_vtp=(vtp_set) ⇒ Object 



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# File 'lib/cisco_node_utils/interface.rb', line 521

def switchport_vtp=(vtp_set)
  return false unless switchport_vtp_mode_capable?
  no_cmd = (vtp_set) ? "" : "no"
  @@node.config_set("interface", "vtp", @name, no_cmd)
rescue Cisco::CliError => e
  raise "[#{@name}] '#{e.command}' : #{e.clierror}"
end

#switchport_vtp_feature? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/cisco_node_utils/interface.rb', line 579

def switchport_vtp_feature?
  @@node.config_get("vtp", "feature")
end

#switchport_vtp_mode_capable? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/cisco_node_utils/interface.rb', line 511

def switchport_vtp_mode_capable?
  not switchport_mode.to_s.match(/(access|trunk)/).nil?
end

#system_default_svi_autostate ⇒ Object 



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# File 'lib/cisco_node_utils/interface.rb', line 504

def system_default_svi_autostate
  # This command is a user-configurable system default.
  sys_def = @@node.config_get("interface",
                              "system_default_svi_autostate")
  sys_def.nil? ? false : true
end

#system_default_switchport ⇒ Object 



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# File 'lib/cisco_node_utils/interface.rb', line 491

def system_default_switchport
  # This command is a user-configurable system default.
  sys_def = @@node.config_get("interface", "system_default_switchport")
  sys_def.nil? ? false : true
end

#system_default_switchport_shutdown ⇒ Object 



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# File 'lib/cisco_node_utils/interface.rb', line 497

def system_default_switchport_shutdown
  # This command is a user-configurable system default.
  sys_def = @@node.config_get("interface",
                              "system_default_switchport_shutdown")
  sys_def.nil? ? false : true
end

#vrf ⇒ Object 



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# File 'lib/cisco_node_utils/interface.rb', line 588

def vrf
  vrf = @@node.config_get("interface", "vrf", @name)
  return "" if vrf.nil?
  vrf.shift.strip
end

#vrf=(vrf) ⇒ Object 



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# File 'lib/cisco_node_utils/interface.rb', line 594

def vrf=(vrf)
  raise TypeError unless vrf.is_a?(String)
  vrf.empty? ?
    @@node.config_set("interface", "vrf", @name, "no", "") :
    @@node.config_set("interface", "vrf", @name, "", vrf)
rescue Cisco::CliError => e
  raise "[#{@name}] '#{e.command}' : #{e.clierror}"
end