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Connecting Dual Control Links for SRX Series Devices in a Chassis Cluster

For the SRX5000 and SRX3000 lines and SRX1400, you can connect two control links between the two devices, effectively reducing the chance of control link failure.

For devices in the SRX5000 line, connect two pairs of the same type of Ethernet ports. For each device, you can use ports on the same Services Processing Card (SPC), but we recommend that they be on two different SPCs to provide high availability. Figure 1 shows a pair of SRX5800 devices with dual control links connected. In this example, control port 0 and control port 1 are connected on different SPCs.

Figure 1: Connecting Dual Control Links (SRX5800 Devices)

For SRX1400 Services Gateways and devices in the SRX3000 line, connect two pairs of the same type of Ethernet ports. For each device, use both available built-in ports. Figure 2 shows a pair of SRX3400 devices and Figure 3 shows a pair of SRX1400 devices with dual control links connected.

Figure 2: Connecting Dual Control Links (SRX3400 Devices)

Figure 3: Connecting Dual Control Links (SRX1400 Devices)

Note: For devices in both the SRX5000 and SRX3000 lines, you must connect control port 0 on one node to control port 0 on the other node and, likewise, control port 1 to control port 1. If you connect control port 0 to control port 1, the nodes cannot receive heartbeat packets across the control links.

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Connecting Dual Control Links for SRX Series Devices in a Chassis Cluster

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Published: 2012-06-29