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[SRX] Chassis Cluster Ports Details for SRX Series

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Article ID: KB15356 KB Last Updated: 17 Jul 2020Version: 16.0
Summary:

This article provides information on how interfaces are assigned on SRX platforms when the chassis cluster is enabled.

 

Symptoms:

When chassis cluster mode is enabled on SRX platforms, certain interfaces are required for chassis cluster interconnection and out-of-band management. So, it is important to know how the interfaces are assigned in chassis cluster mode to avoid inadvertently using any of the assigned interfaces incorrectly.

 

Solution:

Refer to the following table:

Device

Management (fxp0)

HA Control
(fxp1 or em0/em1)

Fabric (fab0 & fab1)
Must be configured

SRX100

fe-0/0/6 fe-0/0/7 => fxp1 Any available FE Interface

SRX110

NA NA NA

SRX210

fe-0/0/6 fe-0/0/7 => fxp1 Any available FE or GE Interface

SRX220

ge-0/0/6 ge-0/0/7 => fxp1 Any available GE Interface

SRX240

ge-0/0/0 ge-0/0/1 => fxp1 Any available GE Interface

SRX550 & SRX550HM

ge-0/0/0

ge-0/0/1 => fxp1

Any available GE or XE Interface
(copper or fiber)

SRX650 ge-0/0/0 ge-0/0/1 => fxp1 Any available GE or XE Interface
(copper of fiber)

SRX300

ge-0/0/0

ge-0/0/1 => fxp1

Any available GE Interface

SRX320

ge-0/0/0 ge-0/0/1 => fxp1 Any available GE Interface

SRX340, SRX345
SRX380

Mgmt ge-0/0/1 => fxp1 Any available GE Interface

SRX1400

RE Ethernet Port on SYSIO

ge-0/0/10(copper or fiber) on SYSIO => em0
ge-0/0/11(fiber only) on SYSIO          => em1

Any available GE or XE Interface
(copper or filber)

SRX1500

Mgmt Dedicated Control Port => em0

Any available GE or XE Interface
(copper or fiber)

SRX3400 RE Ethernet port 0 on SFB

Chassis Cluster Control *1
Port 0 (copper or fiber) on SFB    => em0
Port 1 (copper or fiber) on SFB    => em1 

Any available GE or XE Interface
(copper or fiber)

SRX3600
SRX4100 Mgmt Dedicated Control Port => em0

Dedicated Fabric Port
or
Any Ethernet Port (for dual fabric)

SRX4200
SRX4600 Mgmt Dedicated Control Ports => em0
(xe-0/0/0 & xe-0/0/1)

Dedicated XE Fabric *2
or
Any available QSFP Interface

SRX5400 Ethernet Port on RE

Chassis Cluster Control

   Note: SPC / Port is based on config


Port 0 on SPC    => em0 (fiber only)

   set chassis cluster control-ports fpc X port 0


Port 1 on SPC    => em1 (fiber only)*3

  set chassis cluster control-ports fpc X port 1
Any available GE or XE Interface
(fiber only)
SRX5600
SRX5800
vSRX NIC1 / eth0 => fxp0 NIC2 / eth1 => em0

Any available

 
  • *1 - SRX3k supports dual control links when equipped with Chassis Redundancy Modules (CRM).

  • *2 - SRX4600 provides dedicated fabric ports (xe-0/0/2 & xe-0/0/3) as of Junos OS 18.3R3, 18.4R3, 19.1R2, 19.2R2, 19.3R1, and later codes which have to be configured explicitly.

  • *3 - Secondary Control link available for SRX5600 and SRX5800 when using dual routing-engines.

 

For detailed port information, you can refer to the following links:

For troubleshooting any issue with the chassis cluster for SRX, refer to the following guide:

 

Modification History:
  • 2020-07-17: Added information that SRX4600 dedicated fabric port has to be configured explicitly

  • 2020-04-27: Updated related links for Slot Numbering

  • 2020-04-10: Updated link information for SRX380 and clarity on dual control link supported devices

  • 2020-01-16: Removed J-Series information; updated support for SRX4600 Dedicated Fabric links

  • 2019-06-18: Added port mappings for vSRX

  • 2019-06-13: Added information about SRX4600 as well with current limitation on Dedicated Fabric

 

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