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Firewall HA setup with Juniper NS50s

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Written by SPK Blog Post
Published on March 24, 2011

One item I’ve done repeatedly while doing network consulting services is configuring high availability (HA) networks. The recommended way is Virtual Router Redundancy Protocol (VRRP). This requires that you have two firewalls for every location and they run in active/passive mode.

In our case, we’re using Juniper Netscreen 50s. With these, you use a similar protocol that’s proprietary called NSRP.

Attached is a quick guide to setup NSRP between these firewalls in what they call NSRP-Lite. Implementation is easy. The biggest issue is that it requires an open port to do a heartbeat between the two units. In our implementation, we use ethernet4.

Firewall HA setup with Juniper Click here to download the HOWTO! guide to setup NSRP between these firewalls in what they call NSRP-Lite

Feel free to ask me any questions about setup that’s not covered in the article.

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