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[SRX] Cable and SFP types required for fabric links in SRX cluster



Article ID: KB35450 KB Last Updated: 08 Apr 2020Version: 1.0

This article explains what kind of cables are used for HA links and what are the SFP types required to bring fabric links up.

This article also explains cable to transceivers mapping.


Fabric links could be of 1 Gig and 10 Gig capacity. If correct transceivers are not used according to the cable types, the fabric link will not come up.


SRX cluster is connected via control and fabric link. Fabric link handles the RTOs and probes, as well as the data forwarding. According to load on chassis cluster, fabric ports could be of 1gig or 10gig capacity.

For 1 Gig fabric link, the cable used is yellow in color and transceiver type is ​SFP+-10G-ZR.

For 10 Gig fabric link, the cable used is blue in color and transceiver type is ​SFP+-10G-SR.