                                                      Next Hop Resolution Protocol (NHRP) Types

   Last Updated
           2009-02-17

   This registry is also available in XML and plain text formats.

   Registries included below

     * NHRP Packet Types
     * NHRP Extension Types

NHRP Packet Types

   Reference
           [RFC2332]

   Note

 When ar$op.version == 1, the NHRP packet type is listed below.

 Use of NHRP packet Types in the range 128 to 255 are reserved for
 research or use in other protocol development and will be administered
 by IANA as described in Section 9 of [RFC2332].

   Registration Procedures
           Expert Review

    Type             Name            Reference
      1    NHRP Resolution Request   [RFC2332]
      2    NHRP Resolution Reply     [RFC2332]
      3    NHRP Registration Request [RFC2332]
      4    NHRP Registration Reply   [RFC2332]
      5    NHRP Purge Request        [RFC2332]
      6    NHRP Purge Reply          [RFC2332]
      7    NHRP Error Indication     [RFC2332]
    8-127  Unassigned
   128-255 Reserved

NHRP Extension Types

   Reference
           [RFC2332]

   Note

 The NHRP extension Type space is subdivided to encourage use outside
 the IETF.

      0x0000 - 0x0FFF         Reserved for NHRP.
      0x1000 - 0x11FF         Allocated to the ATM Forum.
      0x1200 - 0x37FF         Reserved for the IETF.
      0x3800 - 0x3FFF         Experimental use.

 IANA will administer the ranges reserved for the IETF as described in
 Section 9. Values in the 'Experimental use' range have only local
 significance.

   Registration Procedures
           Expert Review

   Type                 Name                 Reference
    0   The End of Extensions                [RFC2332]
   1-2  Unassigned
    3   Responder Address Extension          [RFC2332]
    4   NHRP Forward Transit NHS Record Ext. [RFC2332]
    5   NHRP Reverse Transit NHS Record Ext. [RFC2332]
    7   NHRP Authentication Extension        [RFC2332]
    8   NHRP Vendor-Private Extension        [RFC2332]
    9   Unassigned
    10  NHRP Mobile NHC Authentication Ext.  [RFC2520]
