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NHRP Types (Packet and Extension Types)
From RFC 2332
Packet Types
When ar$op.version == 1, the NHRP packet type is:
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]
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 RFC 2332.
Extension Types
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.
Type Name Reference
---- ---- ---------
0 The End of Extensions [RFC2332]
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]
10 NHRP Mobile NHC Authentication Ext. [RFC2520]
References
----------
[RFC2332] Luciani, J., et al, "NBMA Next Hop Resolution Protocol
(NHRP)", RFC 2332, April 1998.
[RFC2520] Luciani, J., et al, "NHRP with Mobile NHCs", RFC 2520,
February 1999.
(last updated May 04 2001)
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