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    Configuring a Dynamic IPoA Interface

    To configure dynamic IPoA interfaces:

    1. Configure a physical interface.
      host1(config)#interface atm 5/0
    2. Configure an ATM subinterface.
      host1(config-if)#interface atm 5/0.1
    3. Configure a PVC by specifying the VCD, the VPI, the VCI, and the encapsulation type.
      host1(config-subif)#atm pvc 10 10 22 aal5snap

      If you want the router to autodetect the encapsulation type, use the aal5autoconfig option. For more information, see Creating a PVC on an ATM 1483 Subinterface.

      host1(config-subif)#atm pvc 10 10 22 aal5autoconfig
    4. Assign a profile. For more information, see Dynamic Interface Configuration Using a Profile.
      host1(config-subif)#profile ip foo
    5. (Optional) Assign subscriber identification. For more information, see Configuring a Local Subscriber for a Dynamic IPoA or Bridged Ethernet Interface.
      host1(config-subif)#subscriber ip user charlie domain myispname password lucy
    6. Do either of the following:
      • Configure the subinterface to detect and accept the dynamic IP encapsulation type using the default lockout time range, 1–300 seconds. For more information, see Configuring a Dynamic Interface over an ATM 1483 Subinterface.
        host1(config-subif)#auto-configure ip
      • Configure the subinterface to detect and accept the dynamic IP encapsulation type using a nondefault lockout time range. For example, the following command configures 3600 seconds (1 hour) as the minimum lockout time and 7200 seconds (2 hours) as the maximum lockout time.
        host1(config-subif)#auto-configure ip lockout-time 3600 7200
    7. (Optional) Verify your configuration.
      host1#show atm subinterface atm 5/0.1
                                     Circuit                           Interface
      Interface ATM-Prot VCD VPI VCI  Type   Encap MTU      Status       Type
      --------- -------- --- --- --- ------- ----- ---- -------------- ---------
      ATM 5/0.1 RFC-1483  10  10  22 PVC     SNAP  9180 lowerLayerDown Static
      
      Auto configure status         : dynamic
      Auto configure interface(s)   : IP
      Detected 1483 encapsulation   : none
      Detected dynamic interface    : none
      Interface types in lockout    : none
      
      Lockout state (seconds)       : Min  Max  Current Elapsed Next
      ------------------------------- ---- ---- ------- ------- ----
      IP                              3600 7200       0       0 3600
      
      Assigned profile (IP)         : foo
      Assigned profile (BridgedEnet): none assigned
      Assigned profile (PPP)        : none assigned
      Assigned profile (PPPoE)      : none assigned
      Assigned profile (any)        : none assigned
      
      IP subscriber info            :
      Username: charlie@myispname
      Password: lucy
      Authenticate: enabled
      
      SNMP trap link-status: disabled
      Assigned VC Class: none assigned
      
      InPackets:                0
      InBytes:                  0
      OutPackets:               0
      OutBytes:                 0
      InErrors:                 0
      OutErrors:                0
      InPacketDiscards:         0
      InPacketsUnknownProtocol: 0
      OutDiscards:              0
      InPolicedPackets:         0
      OutPolicedPackets:        0
      1 interface(s) found

    Published: 2014-08-14