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Thanks for the quick response.
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I have a PIX 515E with eth0 as outside, eth1 as inside and eth2 as dmz.<br />
eth0 ip is 100.100.100.1/24<br />
eth1 ip is 10.10.10.1/24 physical vlan2<br />
eth2 ip is 172.10.10.1/24<br />
<br />
eth1 connects to port fa1/0/40 on Cisco 3750<br />
3750 has int vlan2 ip address 10.10.10.2/24 and int vlan3 ip address 10.10.20.1/24<br />
<br />
fa1/0/40 is switchport trunk encap dot1q<br />
3750 has ip routing enabled as it has no switchport link to another 3750 and for inter-vlan routing<br />
<br />
Users on vlan3 will use 10.10.20.1 as default gateway<br />
<br />
3750 will use default route 0.0.0.0 0.0.0.0 10.10.10.1<br />
<br />
1. &nbsp;Is this a viable configuration?<br />
<br />
2. &nbsp;Providing that the PIX allows icmp, should vlan3 users (and users on other 3750) be able to ping eht1 on PIX (10.10.10.1)?
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I have a PIX 515E with eth0 as outside, eth1 as inside and eth2 as dmz.
eth0 ip is 100.100.100.1/24
eth1 ip is 10.10.10.1/24 physical vlan2
eth2 ip is 172.10.10.1/24

eth1 connects to port fa1/0/40 on Cisco 3750
3750 has int vlan2 ip address 10.10.10.2/24 and int vlan3 ip address 10.10.20.1/24

fa1/0/40 is switchport trunk encap dot1q
3750 has ip routing enabled as it has no switchport link to another 3750 and for inter-vlan routing

Users on vlan3 will use 10.10.20.1 as default gateway

3750 will use default route 0.0.0.0 0.0.0.0 10.10.10.1

1.  Is this a viable configuration?

2.  Providing that the PIX allows icmp, should vlan3 users (and users on other 3750) be able to ping eht1 on PIX (10.10.10.1)?

Default Gateway for Switch

A router is a networking device that forwards data packets between computer networks. Routers perform the "traffic directing" functions on the Internet. The most familiar type of routers are home and small office cable or DSL routers that simply pass data, such as web pages, email, IM, and videos between computers and the Internet. More sophisticated routers, such as enterprise routers, connect large business or ISP networks up to the powerful core routers that forward data at high speed along the optical fiber lines of the Internet backbone. Though routers are typically dedicated hardware devices, use of software-based routers has grown increasingly common.