Scenario 1: Inside Vlan With External Connectivity - Cisco ASA 5505 Getting Started Manual
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Chapter 2
Planning for a VLAN Configuration
Scenario 1: Inside VLAN with External Connectivity
Note
78-17612-01
A basic VLAN deployment is shown in
Figure 2-1
Inside VLAN with External Connectivity
Inside VLAN
Server
Laptop
computer
Printer
Personal
computer
In this example, the network includes an internal VLAN that permits all devices
inside the VLAN to communicate with each other and an external VLAN that
permits users to communicate with devices on the Internet.
The Inside VLAN may consist of up to seven physical ports that connect desktop
computers, network printers, and other devices. The Internet VLAN consists of a
single ISP connection using an external WAN router.
This deployment is similar to the security deployments using the PIX 501. If you
already have a security deployment with PIX 501 security appliances in which
devices behind the firewall can communicate internally and externally, you can
keep the same deployment and replace the PIX 501 devices with ASA 5505
devices.
Deployment Scenarios with VLANs
Figure
2-1.
Power
cable
ASA 5505
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WE
Cis
co
48
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AS
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A SS
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5
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7
POW
tus
Sec
ER
uri
ty
ove
r ETH
Ser
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vic
es
ET
6
Ca
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Slo
5
t
4
3
2
co ns
ole
1
0
1
2
RE
SE
T
Internet VLAN
Router
Internet
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