Multicast Packets; Configuring Vacls - Cisco WS-SUP32-GE-3B - Supervisor Engine 32 Software Configuration Manual

Configuring VACLs

Multicast Packets

Figure 32-3
need multicast expansion, the ACLs are applied in the following order:
1.
2.
3.
Figure 32-3
Host A
(VLAN 10)
Host C
(VLAN 10)
Configuring VACLs
These sections describe how to configure VACLs:
•
•
•
•
•
Catalyst Supervisor Engine 32 PISA Cisco IOS Software Configuration Guide, Release 12.2ZY
32-4
shows how ACLs are applied on packets that need multicast expansion. For packets that
Packets that need multicast expansion:
a. VACL for input VLAN
b. Input Cisco IOS ACL
Packets after multicast expansion:
Output Cisco IOS ACL
a.
VACL for output VLAN
b.
Packets originating from router—VACL for output VLAN
Applying VACLs on Multicast Packets
Routed
Input IOS ACL
Bridged
VACL
VACL Configuration Overview, page 32-5
Defining a VLAN Access Map, page 32-6
Configuring a Match Clause in a VLAN Access Map Sequence, page 32-6
Configuring an Action Clause in a VLAN Access Map Sequence, page 32-7
Applying a VLAN Access Map, page 32-8
IOS ACL for
output VLAN
for packets
originating from
router
MSFC
Output IOS ACL
VACL (Not supported
on PFC2)
Supervisor
Engine
Bridged
Chapter 32 Configuring VLAN ACLs
Host B
(VLAN 20)
Host D
(VLAN 20)
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