Juniper Networks IDP 800 Bridge Mode, Advantages, Disadvantages, 44„ Advanced Deployment Modes

IDP 75, 250, 800, and 8200 Installation Guide

Figure 21: Bridge Mode

	Internet
Firewall			Hub or
		IP 2.2.2.1	Switch
	IP 1.1.1.1
	eth2
	No ip address
IDP Sensor	Forwarding Interface		Management Server
			IP 2.2.2.4
eth0 IP 2.2.2.7 MGT	eth3
Interface	No IP address
	Forwarding Interface
Hub or
Switch
			User Interface
			IP 2.2.2.5
Server1	Server2	Server3
IP 1.1.1.2	IP 1.1.1.3	IP 1.1.1.4
GW 1.1.1.1	GW 1.1.1.1	GW 1.1.1.1
	Protected Machines

Table 14: Advantages and Disadvantages of Bridge Mode

Advantages	Disadvantages
„ Reliably responds to and prevents attacks	„ Cannot connect IP networks with different
„ Simple, transparent deployment	address spaces

„Allows Layer 2 broadcasts

„No changes to routing tables or network equipment

44„ Advanced Deployment Modes