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| Sun Ethernet Fabric Operating System ### QoS Administration Guide

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## Define TCP and UDP Traffic

You can define TCP and UDP traffic from a given subnet. Both rules are applied to interface `0/2`. This application enables traffic to be separated from one port into two classes, then enqueued to separate queues on egress.

1. Use the `ip access-list` and `ip access-group` commands to define the TCP and UDP traffic.

       SEFOS# configure terminal
       SEFOS(config)# ip access-list extended 101
       SEFOS(config-ext-nacl)# permit tcp 10.123.1.0 255.255.255.0 any
       SEFOS(config-ext-nacl)# exit
       SEFOS(config)# ip access-list extended 102
       SEFOS(config-ext-nacl)# permit udp 10.123.1.0 255.255.255.0 any
       SEFOS(config-ext-nacl)# exit
       SEFOS(config)# ip access-list extended 110
       SEFOS(config-ext-nacl)# permit ip any any
       SEFOS(config-ext-nacl)# exit
       SEFOS(config)# interface extreme-ethernet 0/2
       SEFOS(config-if)# ip access-group 101 in
       SEFOS(config-if)# ip access-group 102 in
       SEFOS(config-if)# ip access-group 110 in
       SEFOS(config-if)# end

2. Review the access list for `ip 101`.

       SEFOS# show access-lists ip 101
       Extended IP Access List 101
       -----------------------------
       Filter Priority                   : 1
       Filter Protocol Type              : TCP
       IP address Type                   : IPV4
       Source IP address                 : 10.123.1.0
       Source IP address mask            : 255.255.255.0
       Source IP Prefix Length           : 24
       Destination IP address            : 0.0.0.0
       Destination IP address mask       : 0.0.0.0
       Destination IP Prefix Length      : 0
       Flow Identifier                   : 0
       In Port List                      : Ex0/2
       Out Port List                     : NIL
       Filter TOS                        : NIL
       Filter DSCP                       : NIL
       Filter Source Ports From          : 0
       Filter Source Ports Till          : 65535
       Filter Destination Ports From     : 0
       Filter Destination Ports Till     : 65535
       Filter Action                     : Permit
       Status                            : Active

3. Review the access list for `ip 102`.

       SEFOS# show access-lists ip 102
       Extended IP Access List 102
       -----------------------------
       Filter Priority                  : 1
       Filter Protocol Type             : UDP
       IP address Type                  : IPV4
       Source IP address                : 10.123.1.0
       Source IP address mask           : 255.255.255.0
       Source IP Prefix Length          : 24
       Destination IP address           : 0.0.0.0
       Destination IP address mask      : 0.0.0.0
       Destination IP Prefix Length     : 0
       Flow Identifier                  : 0
       In Port List                     : Ex0/2
       Out Port List                    : NIL
       Filter TOS                       : NIL
       Filter DSCP                      : NIL
       Filter Source Ports From         : 0
       Filter Source Ports Till         : 65535
       Filter Destination Ports From    : 0
       Filter Destination Ports Till    : 65535
       Filter Action                    : Permit
       Status                           : Active

4. Review the access list for `ip 110`.

       SEFOS# show access-lists ip 110
       Extended IP Access List 110
       -----------------------------
       Filter Priority               : 1
       Filter Protocol Type          : ANY
       IP address Type               : IPV4
       Source IP address             : 0.0.0.0
       Source IP address mask        : 0.0.0.0
       Source IP Prefix Length       : 0
       Destination IP address        : 0.0.0.0
       Destination IP address mask   : 0.0.0.0
       Destination IP Prefix Length  : 0
       Flow Identifier               : 0
       In Port List                  : Ex0/2
       Out Port List                 : NIL
       Filter TOS                    : NIL
       Filter DSCP                   : NIL
       Filter Action                 : Permit
       Status                        : Active

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