Category Archives: Juniper-Junos

If ip-monitoring does not work on an SRX cluster..

During a recent project, I built a Juniper SRX cluster where a Reth connected via a LAG to a switch, which in turn is connected it to the Internet. In case of a failure, they Reth should failover to the … Continue reading

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Juniper SRX and Active and Passive FTP port forwarding

As you probably know, FTP comes in two flavours:-Active FTP where data port 20 is used on the Server and the client offers a random port > 1023 to the Server via a “Port” command. Hosting this behind a Juniper … Continue reading

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Junos Routing-Instance, RIB-Groups, imports, and Logical Tunnel Interfaces explained.

This post will explain the wonders of routing-instances within Junos. (comparable to “vrf-ligth” with some other Vendors..) It wil also cover shady areas like RIB-groups, “import instance-from” and finally, Logical Tunnel – Interfaces. The examples should work.. although I had … Continue reading

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