Cisco 4-Port 10/100 Fast Ethernet Switch WIC WIC-4ESW= Scheda Tecnica

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Creating a DMZ Using VLAN with Cisco IOS Firewall

The addition of a Cisco 4-Port Fast Ethernet Switch WIC to a Cisco 1700 Series router offers a viable solution for

implementing new broadband and LAN services in an integrated network access solution, while preserving your

investment in existing equipment. The advanced features of the Cisco 4-Port Fast Ethernet Switch WIC provide the

flexibility for customers to deploy various network configurations, offering small businesses and small branch office

customers the option to integrate LAN switching and routing in one platform. Table 1 lists the features and benefits

of the Cisco 4-Port Fast Ethernet Switch WIC.

Features and Benefits

• Enables support and management of LAN and WAN configurations on a single device

• Delivers up to 200 Mbps (full-duplex) throughput between switch ports

• Provides flexibility to deploy DMZ configuration, wireless access segment, and

separate voice and data segments for IP telephony deployment

• Allows for increased LAN segmentation

• Increases network performance by controlling broadcast traffic

• Enables inter-VLAN routing

• Enhances network reliability

• Provides path redundancy while preventing undesirable loops in the network

• Allows traffic prioritization, giving the highest priority to packets containing

time-sensitive data, such as interactive voice and video traffic

• Automatically detects Ethernet line speed

• Provides further control of performance and bandwidth utilization, allowing data to

simultaneously flow to and from the router

Cisco IOS
Firewalls

802.1Q VLAN

External

FTP Server

External
Web Server

Intranet

Web Server

802.11b

WLAN

Cisco IOS

Firewall

Cisco IOS

Firewall

Service Provider

WAN

WIC-1ADSL-DG

ADSL Connection to Service Provider

WIC-4ESW