Monday, September 28, 2020

Juniper SRX340 Chassis Clustering

Hi all,

Forgive me I’ve been Cisco only until now so please bare with...

Got a new pair of SRX340s which are in a HA cluster, I get a strange issue where the primary node does not respond to PINGs, SSH and the web GUI does not work.

I’m unfamiliar with juniper clustering but I’ve followed the docs best I can. FXP interfaces on each node is correct and up, ge-0/0/1 are connected to each other and up (apparently this is the control link for 340’s), ge-0/0/2 is assigned to fabric 0 and up, finally ge-5/0/2 is assigned to fabric 1 and up. I’ve also hardcoded the redundancy group priorities so node 0 is primary for group 0 & 1, this reflects correctly in show commands.

What’s strange is after a reboot both nodes respond to PINGS and the web gui works for the primary node, then after a few mins the primary node doesn’t respond to PINGS and the web gui fails. I can SSH through the secondary node to primary.

I’ve tried restarting the web management service on the primary node with no joy and double checked IP config. Firewalls and routing has been ruled out for remote access.

Can any juni expert give me a hand?

Thanks in advance!



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