View protocol distribution statistics to see traffic statistics that each protocol generates by local area network (LAN) segment.
show rmon protocol-dist-stats
Switch:1# show rmon protocol-dist-stats
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Rmon Protocol Dist Stats
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PROTOCOL PKTS OCTETS
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IP 0 0
TCP 0 0
UDP 0 0
FTP 0 0
SSH 0 0
TELNET 0 0
HTTP 0 0
RLOGIN 0 0
TFTP 0 0
SNMP 0 0
HTTPS 0 0

Note
Protocol support can vary across platforms.