Cisco 7604 Configuration Manual page 52

Adding Switched Virtual Interfaces to the MSFC
However, you might need to bypass the FWSM in some network scenarios.
on the same Ethernet segment as IP hosts. Because the FWSM in routed firewall mode only handles
IP traffic and drops other protocol traffic like IPX (transparent firewall mode can optionally allow non-IP
traffic), you might want to bypass the FWSM for IPX traffic. Make sure to configure the MSFC with an
access list that allows only IPX traffic to pass on VLAN 201.
Figure 2-2
VLAN 201
Catalyst 6500 Series Switch and Cisco 7600 Series Router Firewall Services Module Configuration Guide using ASDM
2-6
Multiple SVIs for IPX
Internet
VLAN 100
MSFC
VLAN 200
FWSM
VLAN 201
IPX Host IP Host
Chapter 2 Configuring the Switch for the Firewall Services Module
Inside
Figure 2-2 shows an IPX host
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