274 Cisco LAN Switching Configuration Handbook
Table B-1 Registered IP Protocol Numbers, Keywords, Names, and Associated RFCs
Keyword Protocol References Number
HMP 20
Host Monitoring
RFC 869
PRM 21
Packet Radio Measurement
XNS-IDP 22
XEROX NS IDP
TRUNK-1 23
Trunk-1
TRUNK-2 24
Trunk-2
LEAF-1 25
Leaf-1
LEAF-2 26
Leaf-2
RDP 27
Reliable Data Protocol
RFC 908
IRTP 28
Internet Reliable Transaction
RFC 938
ISO-TP4 29
ISO Transport Protocol Class 4
RFC 905
NETBLT 30
Bulk Data Transfer Protocol
RFC 969
MFE-NSP 31
MFE Network Services Protocol
MERIT-INP 32
MERIT Internodal Protocol
SEP 33
Sequential Exchange Protocol
3PC 34
Third Party Connect Protocol