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Cisco Catalyst OS Cisco IOS Software
set vlan 10
set security acl ip cap_acl permit ip any
any capture
commit security acl cap_acl
set security acl map cap_acl 10
set security acl capture-ports 1/1
vlan 10
access-list 101 permit ip any any
vlan access-map cap_acl
match ip address 101
action forward capture
vlan filter sample vlan-list 10
int gigabitethernet 1/1
switchport capture
Port-Based Access Control Lists (PACLs)
Supported only on the Cisco Catalyst 6500 Series Supervisor Engine 720 and Cisco Catalyst 6500
Supervisor Engine 32, PACLs are access lists mapped to physical ports. PACLs have three modes
of operation configurable on a per-port basis: port-based, VLAN-based, and merge modes. In port-
based mode, the PACL overrides the existing VACL and Cisco IOS Software ACL. In VLAN-based
mode, the VACL and Cisco IOS Software ACLs override the PACL. In merge mode, the ingress
PACL, VACL, and Cisco IOS Software ACL are merged together (VLAN-based mode is the default
mode).
To configure PACLs, the mode must be specified. The example below sets a PACL on port 2/1 in
port-based mode and maps the ACL “pacl_acl” to port 2/1:
Cisco Catalyst OS Cisco IOS Software
set port security-acl 2/1 port-based
set security acl ip pacl_acl permit ip any any
commit security acl pacl_acl
set security acl map pacl_acl 2/1
Switch(config)#int gi2/1
Switch(config-if)#switchport
Switch(config-if)#access-group mode prefer port
Switch(config-if)#ip access-group pacl_acl in
Quality of Service (QoS)
QoS is the use of several different features which all work to differentiate and prioritize network
traffic. These features include the classification, marking, policing, congestion avoidance, and
scheduling of traffic. In the Cisco Catalyst 6500 Series, QoS functionality resides on the PFC (for
Layer 3 marking, policing, and some classification functions) and online cards (for congestion
avoidance, scheduling, and other classification functions). With the Cisco Catalyst OS, a
supervisor without a PFC can be used for Layer 2-only QoS classification and marking. With the
PFC and the MSFC installed, Cisco IOS Software and a hybrid OS support full Layer 2/3/4 QoS
capabilities.
This section is not intended to provide a general overview of QoS functionality. Rather, it discusses
configuration differences between the Cisco Catalyst OS and Cisco IOS Software for the following
scenarios:
●
Configuring interface QoS
●
Configuring QoS policies
By default, QoS is disabled on both operating systems. The first step to implement QoS
functionality on the Cisco Catalyst 6500 is to enable QoS globally:
Cisco Catalyst OS Cisco IOS Software
set qos enable Router(config)# mls qos
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