6 Network
The Network section describes IP interfaces, security zones, DHCP functionality, routing, and IP address groups and explains how to enable, disable, and modify their various features. The network tools provided by the LSM are also described.
Overview
The Network menu pages in the LSM enable you to set up the X family device so that it can work within your network environment. The following menu options are available:
•Network Ports — manage port configuration
•Security Zones — create and manage security zones that logically segment your network by ports and VLANs so that to you can apply firewall rules and IPS filters to traffic passing between sections.
•IP interfaces — manage and configure the internal and external IP interfaces the device uses to make the network connections for your environment. Each security zone must be associated with an IP interface.
•IP address groups — create and manage groups of IP address group by host, subnet, or address range. You can use these IP address group to simplify configuration of device features.
•DNS — configure the global DNS servers and search domains for the device, or choose to use the DNS configuration obtained from the WAN connection.
•Default Gateway — if you have configured the External Interface with a static IP address, use this option to manually configure the default IP address that the device uses to route packets when it has no other route to a given IP address.
•Routing — configure the static and dynamic routing for the device and enable/global options for unicast (RIP) and multicast routing (IGMP, and
•DHCP Server — enable the device to act as a DHCP server and configure the server settings.
•Tools — access tools to lookup DNS names, find the physical interface/security zone that the device would use to reach a given location, capture traffic on the device for analysis, ping devices on the network, and trace the network hops traffic takes from the device to another device in the network.
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