HP 200 Series Services And Applications page 288
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Also See for 200 Series:
- Installation manual (144 pages) ,
- Hardware support document (95 pages) ,
- Instructions manual (7 pages)
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Linking Up with Frame Relay
Frame Relay Data-Link Interface
When a packet other than TCP/IP, such as Novell IPX, must be transmitted,
RFC 1294 specifies that the NLPID field is encoded with 80 hex, which
indicates that a Subnetwork Access Protocol (SNAP) header follows. The
SNAP header and additional data will be appended to the NLPID field and
used to encode which of the other routable protocols the Frame Relay frame
contains. Table 4 shows the encoding of a Novell IPX frame.
The encoding of the three-octet SNAP header is 00 00 00 hex. This indicates
that an Ethernet type field follows. 8137 hex is the Ethernet type field for
Novell IPX. The Novell header and data follow in the remainder of the Frame
Relay frame.
Table 4. Routing Novell IPX — NLPID Continuation
00 (hex)
00 (hex)
00 (hex)
81 (hex)
37 (hex)
3-94
SNAP Header
Indicating EtherType
Follows
EtherType
(Novell)
Novell
Header plus
Data
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