Juniper SRX VDSL configuration

Below is the minimum config you would need to get a functional VDSL connection on an SRX. The platform I am using is the old (but still supported!) SRX110H2-VA. One gotcha is the vlan-id setting on the pt- interface, a significant amount of searching was required to determine what this value should be; VLAN ID... Continue Reading →

Juniper SRX300 IPv6 tunnel

The SRX300 (and SRX550M) are configured to drop IPv6 traffic by default: see documentation: When IPv6 is configured on SRX300 Series and the SRX550M devices, the default behavior is set to drop mode because of memory constraints. This can be confirmed: admin@CS7-HQ-FW02> show security flow status Flow forwarding mode: Inet forwarding mode: flow based Inet6... Continue Reading →


Whilst completing my studies for the JNCIA-Junos exam I was trying various configuration on my SRX110 and decided to expose it to the internet as my LAN 'DMZ host', after a little while I noticed the log filling up with messages like these: Feb 14 11:24:24 2018 CS7-SRX01 sshd: SSHD_LOGIN_FAILED: Login failed for user 'root'... Continue Reading →

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