Using a Combined ACL for 802.1p Marking

ICX devices support a simple method for assigning an 802.1p priority value to packets without affecting the actual packet or the DSCP.

When you specify 802.1p priority marking values directly, internal priority marking is optional.

Note: Using a combined ACL for 802.1p marking is not applicable to outbound traffic.

The following example, for any IP protocol, specifies 802.1p priority marking "1".

device(config)# ip access-list extended acl104 
device(config-ext-ipacl-acl104)# permit ip any any 802.1p-priority-marking 1

The following example, for any IP protocol, specifies 802.1p priority marking "1" and internal priority marking "5".

device(config)# ip access-list extended acl104 
device(config-ext-ipacl-acl104)# permit ip any any 802.1p-priority-marking 1 internal-priority-marking 5

The following example, for TCP, specifies 802.1p priority marking "1".

device(config)# ip access-list extended acl105 
device(config-ext-ipacl-acl105)# permit tcp any any 802.1p-priority-marking 1

The following example, for TCP, specifies 802.1p priority marking "1" and internal priority marking "5".

device(config)# ip access-list extended acl105 
device(config-ext-ipacl-acl105)# permit tcp any any 802.1p-priority-marking 1 internal-priority-marking 5

The following example, for UDP, specifies 802.1p priority marking "1".

device(config)# ip access-list extended acl105 
device(config-ext-ipacl-acl105)# permit udp any any 802.1p-priority-marking 1

The following example, for UDP, specifies 802.1p priority marking "1" and internal priority marking "5".

device(config)# ip access-list extended acl105 
device(config-ext-ipacl-acl105)# permit udp any any 802.1p-priority-marking 1 internal-priority-marking 5

In each of the preceding pairs of examples, the first command does not specify the internal-priority value, which means it maintains a default value of 1 (equal to the 802.1p value). In the second command, the internal-priority value is configured to 5.