Showing posts with label NSRP. Show all posts
Showing posts with label NSRP. Show all posts
How To: Adding Netscreen to NSRP Cluster & Interface Monitoring
Posted by Ahsan Tasneem | 2:45 AM | Juniper Networks, NSRP, ScreenOS | 2 comments »NSRP
NSRP is the protocol that redundant NetScreen devices use to talk to each other when running in various HA configurations. It is the language that allows them to exchange state information and make decisions. Before we detail the specifics of what type of information is exchanged over NSRP, we need to cover a bit more theory.
One of the main goals of HA is to have multiple redundant systems, where a second system can take over in case the first one fails. This is commonly achieved by duplicating the hardware. As with the NetScreen firewalls, any HA setup that is using NSRP implies that there are at least two firewalls of the same model working together. This group of firewalls is called an NSRP cluster, or simply, a cluster (see Figure below).
Note: The sample configuration shown below is of SSG 520, for any issues related to this post please let me know @ahsantasneem
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