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Catalyst 6500 Series Switch Software Configuration Guide—Release 8.7
OL-8978-04
Chapter 52 Configuring QoS
Understanding How QoS Works
IP ACE Layer 4 TCP Classification Criteria
You can create the Transmission Control Protocol (TCP) ACEs that match the traffic for the specific TCP
ports by including the TCP source and/or destination port parameters (for more information, see the “IP
ACEs for TCP Traffic” section on page 52-47).
You can specify the TCP port parameters numerically (0–65535) or with these keywords:
Note The TCP ACEs that do not include a Layer 4 TCP port parameter match all TCP traffic.
IP ACE Layer 4 UDP Classification Criteria
You can create the User Datagram Protocol (UDP) ACEs that match the traffic for specific UDP source
and/or destination ports by including the UDP port parameters. For more information, see the “IP ACEs
for UDP Traffic” section on page 52-48.
You can specify the UDP port parameters numerically (0–65535) or with these keywords:
Note The UDP ACEs that do not include a Layer 4 UDP port parameter match all UDP traffic.
IP ACE Layer 4 ICMP Classification Criteria
You can create the Internet Control Management Protocol (ICMP) ACEs that match the traffic containing
specific ICMP messages by including the ICMP types and optionally, the ICMP codes. For more
information, see the “IP ACEs for ICMP Traffic” section on page 52-48.
Keyword Port Keyword Port Keyword Port Keyword Port
bgp 179 ftp 21 lpd 515 telnet 23
chargen 19 ftp-data 20 nntp 119 time 37
daytime 13 gopher 70 pop2 109 uucp 540
discard 9 hostname 101 pop3 110 whois 43
domain 53 irc 194 smtp 25 www 80
echo 7 klogin 543 sunrpc 111
finger 79 kshell 544 tacacs 49
Keyword Port Keyword Port Keyword Port Keyword Port
biff 512 echo 7 rip 520 talk 517
bootpc 68 mobile-ip 434 snmp 161 tftp 69
bootps 67 nameserver 42 snmptrap 162 time 37
discard 9 netbios-dgm 138 sunrpc 111 who 513
dns 53 netbios-ns 137 syslog 514 xdmcp 177
dnsix 195 ntp 123 tacacs 49
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