Assistance in the Protection from Un-
authorized Access
UM Basic Configuration L3P
Release
7.1
12/2011
6.8
Access Control Lists (ACL)
117
6.8.6 Configuring Priorities with IP ACLs
Example: Prioritizing Multicast streams.
Assign priority 6 to the Multicast streams with the IP Multicast destination
addresses 239.1.1.1 to 239.1.1.255 and
Assign priority 5 to the Multicast streams with the IP Multicast destination
addresses 237.1.1.1 to 237.1.1.255 and
enable Switch to the privileged EXEC mode.
configure Switch to the Configuration mode.
access-list 102 permit ip
any 239.1.1.1 0.0.0.255
assign-queue 6
access-list 102 permit ip
any 237.1.1.1 0.0.0.255
assign-queue 5
Create the extended ACL 102 with the first rule.
This rule assigns priority 6 to the IP Multicast
destination addresses 239.1.1.1 with the mask
0.0.0.255.
Add another rule to the ACL 102. This rule assigns
priority 5 to the IP Multicast destination addresses
237.1.1.1 with the mask 0.0.0.255.
exit Switch to the privileged EXEC mode.
show ip access-lists 102 Displays the rules of ACL 102.
ACL ID: 102
Rule Number: 1
Action......................................... permit
Match All...................................... FALSE
Protocol....................................... 255(ip)
Destination IP Address......................... 239.1.1.1
Destination IP Mask............................ 0.0.0.255
Assign Queue................................... 6
Rule Number: 2
Action......................................... permit
Match All...................................... FALSE
Protocol....................................... 255(ip)
Destination IP Address......................... 237.1.1.1
Destination IP Mask............................ 0.0.0.255
Assign Queue................................... 5