You can simulate end users with windows PCs in VirtualBOX and use them for testing purposes.DMZ), you can simply use a Cisco IOS router in GNS3 and enable telnet, SSH, HTTP services which you can then hit through the SRX by creating the required firewall security policies. To simulate external networks and servers(e.g.Similarly the interfaces don’t show up in the “show interfaces terse” command the first time you initialize them, so again you have to restart(AGAIN-NOT THE PC!) the whole thing.At times everything looks great but the SRX won’t respond to pings, so you may have to just shutdown GNS3 and VB and restart(NOT THE PC!) the whole thing.Remember to use increase the number of NICs and use the paravirtualized network setting for SRX NICs in GNS3.Next time I will test Juniper SRX 1500 to get maximum firewall performance. I have tested with simple test for one of performance SRX 1500 in lab environment use traffic generator with parameter mention in datasheet 1518 bytes. *performance of data is based on datasheet Juniper SRX 1400 is a previous product with the similar performance and capacity with SRX 1500. SRX 1500 is one of newest product from security family of Juniper Networks. The SRX 1500 is powered by Junos OS, the industry-leading operating system that keeps the world’s largest and most mission-critical enterprise networks secure. Designed for port density, a high-performance security services architecture, and seamless integration of networking and security in a single platform, the SRX 1500 is best suited for client protection in enterprise campus, regional headquarters or cloud-based security solutions with a focus on application visibility and control, intrusion prevention, and advanced threat protection. The SRX 1500 Services Gateway is a next-generation firewall and security services gateway offering outstanding protection, performance, scalability, availability, and security service integration.
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