QFX10000 Line Cards

Overview

The line cards in QFX10000 modular switches combine a Packet Forwarding Engine and Ethernet interfaces in a single assembly. Line cards are field-replaceable units (FRUs) that can be installed in the line card slots on the front of the switch chassis. The line cards are hot-insertable and hot-removable; you can remove and replace them without powering off the switch or disrupting switch functions. See Figure 1.

Figure 1: QFX10000-30C Port Panel

1 — Power and status LEDs

2 — Network ports

Channelizing 40-Gigabit Ports

Beginning with Junos OS Release 17.1R1, 40-Gigabit Ethernet ports on the QFX10000-30C line card can be channelized to 10-Gigabit Ethernet. When ports are in channelization mode, every fourth port is disabled. See Figure 2 to see which ports are disabled and see Table 1 for the maximum port configurations.

Figure 2: Disabled Ports in Channelization Mode

Unlike the QFX10000-36C line card, the QFX10000-30C line card does not have port groups; instead, port behavior is tied to the ASIC associated with the port. You must configure each port individually, in order to channelize a 40-Gigabit Ethernet port to 4 independent 10-Gigabit Ethernet ports. The first time a port for an associated ASIC is changed from the default configuration mode (mode D) to the channelization mode (mode A), the FPC reboots. Subsequent channelization of the ports for that ASIC does not cause the FPC to reboot. However if the last channelized port is changed back to the default configuration mode, the FPC will again reboot. See Table 2 for the list of available ports and the associated ASIC and Figure 2 to locate the available and disabled ports.

To change from the default mode to 40-Gigabit Ethernet channelized mode, use the Junos OS operational command set chassis fpc slot-number pic 0 port port number channel-speed 10g.

Switch Ports

Each of the 30 QSFP28 ports supports:

• 100-Gigabit Ethernet using QSFP28 optical transceivers. When a QSFP28 transceiver is inserted into any of the ports, the QSFP28 port is enabled for 100-Gigabit Ethernet.

• 40-Gigabit Ethernet using QSFP+ optical transceivers. When a QSFP+ transceiver is inserted into any of the ports, the QSFP+ port is enabled for 40-Gigabit Ethernet.

• 100-Gigabit Ethernet active optic cables (AOC)

• QSFP28 direct attach copper (DAC) cables

• QSFP+ DAC cables

• QSFP+ to SFP+ direct attach copper breakout (DACBO) cables

• Access ports—You can use 40-Gigabit Ethernet QSFP+ transceivers and QSFP+ DAC cables in any downstream port. See QFX10000 Optical Transceiver and Cable Support.

• Uplink ports—You can configure all the QSFP28 ports as uplinks.

On the QFX10000-30C, the ports are enabled by default, and the default configuration adds the ports to the default VLAN.

Status and Activity LEDs

All QSFP28 ports have an up or down indicator for each port and four bi-colored LEDs that show port status and link activity based on whether or not the port is configured for channelization. See Figure 3 and Table 3.

Figure 3: Indicators for QSFP28 Ports on QFX10000-30C Line Cards

Overview

The line cards in QFX10000 modular switches combine a Packet Forwarding Engine and Ethernet interfaces in a single assembly. Line cards are field-replaceable units (FRUs) that can be installed in the line card slots on the front of the switch chassis. The line cards are hot-insertable and hot-removable; you can remove and replace them without powering off the switch or disrupting switch functions. See Figure 4.

Figure 4: QFX10000-30C-M Port Panel

1 — Power LED, status LED, and offline button

2 — Network ports

Channelizing 40-Gigabit Ports

Beginning with Junos OS Release 18.2R1, 40-Gigabit Ethernet ports on the QFX10000-30C-M line card can be channelized to 10-Gigabit Ethernet. When ports are in channelization mode, every fourth port is disabled. See Figure 5 to see which ports are disabled and see Table 4 for the maximum port configurations.

Figure 5: Disabled Ports in Channelization Mode

Unlike the QFX10000-36C line card, the QFX10000-30C-M line card does not have port groups; instead, port behavior is tied to the ASIC associated with the port. You must configure each port individually, in order to channelize a 40-Gigabit Ethernet port to 4 independent 10-Gigabit Ethernet ports. The first time a port for an associated ASIC is changed from the default configuration mode (mode D) to the channelization mode (mode A), the FPC reboots. Subsequent channelization of the ports for that ASIC does not cause the FPC to reboot. However if one of the channelized ports is changed back to the default, the FPC will again reboot. See Table 5 for the list of available ports and the associated ASIC and Figure 5 to locate the available and disabled ports.

To change from the default mode to 40-Gigabit Ethernet channelized mode, use the Junos OS operational command set chassis fpc slot-number pic 0 port port number channel-speed 10g.

Network Ports

Each of the 30 QSFP28 ports supports:

• 100-Gigabit Ethernet using QSFP28 optical transceivers. When a QSFP28 transceiver is inserted into any of the ports, the QSFP28 port is enabled for 100-Gigabit Ethernet.

• 40-Gigabit Ethernet using QSFP+ optical transceivers. When a QSFP+ transceiver is inserted into any of the ports, the QSFP+ port is enabled for 40-Gigabit Ethernet.

• QSFP+ to SFP+ direct attach copper breakout (DACBO) cables

On the QFX10000-30C-M, the ports are enabled by default, and the default configuration adds the ports to the default VLAN.

Power and Status LEDs

The two LEDs to the left of the network ports indicate the power (PWR) and status (STS) for the line card. See Table 6 and Table 7.

Port Status and Activity LEDs

Each QSFP28 port has a bi-colored up or down LED indicator that show port status and link activity. See Figure 6 and Table 8.

Figure 6: Indicators for QSFP28 Ports on QFX10000-30C-M Line Cards

Overview

The line cards in QFX10000 modular switches combine a Packet Forwarding Engine and Ethernet interfaces in a single assembly. Line cards are field-replaceable units (FRUs) that can be installed in the line card slots on the front of the switch chassis. The line cards are hot-insertable and hot-removable; you can remove and replace them without powering off the switch or disrupting switch functions. See Figure 7.

Figure 7: QFX10000-36Q Port Panel

1 — Status and activity LEDs

2 — Network ports

Each QSFP28 socket can be configured to support:

• 100-Gigabit Ethernet using QSFP28 optical transceivers. When a QSFP28 transceiver is inserted into the ports marked with a fine black line underneath the socket and the port is configured for 100-Gigabit Ethernet, the two adjacent ports are disabled and the QSFP28 socket is enabled for 100-Gigabit Ethernet.

• 40-Gigabit Ethernet using QSFP+ optical transceivers.

• 10-Gigabit Ethernet using breakout cabling and attached optical transceivers. When configured for channelization, the system converts the 40-Gigabit Ethernet port into 4 independent 10-Gigabit Ethernet ports.

Any of the 36 ports 0 through 35 can be configured as either uplink or access ports.

Switch Ports

Each of the 12 QSFP28 ports supports:

• 100-Gigabit Ethernet QSFP28 transceivers

• 40-Gigabit Ethernet QSFP+ transceivers

• QSFP28 direct attach copper (DAC) cables

• QSFP+ DAC cables

• QSFP+ to SFP+ direct attach copper breakout (DACBO) cables

Each of the 36 QSFP+ ports supports:

• 40-Gigabit Ethernet QSFP+ transceivers

• QSFP+ DAC cables

• QSFP+ to SFP+ fiber breakout and DACBO cables

• Access ports

  You can use 40-Gigabit Ethernet QSFP+ transceivers and QSFP+ DAC cablesin any downstream port. See QFX10000 Optical Transceiver and Cable Support.

• Uplink ports

  You can configure all the QSFP+ ports as uplinks.

Every second and sixth port in a 6XQSFP cage on a QFX10000-36Q supports 100-Gigabit Ethernet using QSFP28 transceivers. These 100-Gigabit Ethernet ports work either as 100-Gigabit Ethernet or as 40-Gigabit Ethernet, but are recognized as 40-Gigabit Ethernet by default. See Figure 8 for a closeup view of a 6XQSFP+ cage. When a 40-Gigabit Ethernet transceiver is inserted into a 100-Gigabit Ethernet port, the port recognizes the 40-Gigabit Ethernet port speed. When a 100-Gigabit Ethernet transceiver is inserted into the port and enabled in the CLI, the port recognizes the 100-Gigabit Ethernet speed and disables two adjacent 40-Gigabit Ethernet ports. See Figure 9 and Figure 10. You can also use an 100-Gigabit Ethernet transceiver and run it at 40-Gigabit Ethernet by using the CLI to set the port speed to 40-Gigabit Ethernet.

Figure 8 shows the location of QSFP+ ports for the QFX10000-36Q.

Figure 8: All Ports Are Enabled for 40-Gigabit Ethernet by Default

Figure 9: 100-Gigabit Ethernet Ports

Figure 10: 100-Gigabit Ethernet Port Disables Two Associated 40-Gigabit Ethernet Ports

The 40-Gigabit Ethernet ports can operate independently or bundled with the next two consecutive ports and channelized into twelve 10-Gigabit Ethernet ports as a port range. You cannot channelize an individual port on this card. Each port is part of a port group of 3. Only the first and fourth port in each 6XQSFP cage are available to channelize a port range (see Figure 11). The port range must be configured using the set chassis fpc pic port channel-speed command. For example, to channelize the first switch port, use the set chassis fpc 0 pic 0port 1channel-speed 10g command.

Figure 11: Use the First and Fourth Port in Each 6XQSFP Cage to Channelize a Port Range

Table 9 shows the available combinations for the ports. Most 100-Gigabit Ethernet transceiver ports are used as uplinks.On the QFX10000-36Q, the ports are enabled by default, and the default configuration adds the ports to the default VLAN.

Status and Activity LEDs

All ports have an up or down indicator for each port and four bi-colored LEDs that show port status and link activity based on whether or not the port is configured for channelization. See Figure 12 and Table 10.

Figure 12: LED Indicators for QSFP+ and QSFP28 Ports

Hardware Features

The line cards in QFX10000 modular switches combine a Packet Forwarding Engine and Ethernet interfaces in a single assembly. Line cards are field-replaceable units (FRUs) that can be installed in the line card slots on the front of the switch chassis. The line cards are hot-insertable and hot-removable; you can remove and replace them without powering off the switch or disrupting switch functions. See Figure 13.

Figure 13: QFX10000-60S-6Q Port Panel

1 — Power LED, status LED, and offline button	3 — QSFP28 ports, QSFP+ ports, and port groups
2 — SFP+ ports

Each QSFP28 port (60 and 64) controls a port group and can be configured to support:

• 100-Gigabit Ethernet using QSFP28 optical transceivers. The interface speeds are configured by port group. When a QSFP28 transceiver is inserted into the one of the QSFP28 ports marked with a fine black line above the port (60 or 64) and the port is configured for 100-Gigabit Ethernet, the two adjacent ports are disabled and the QSFP28 port is enabled for 100-Gigabit Ethernet. When port 60 is configured for 100-Gbps, ports 61 and 62 are disabled; when port 64 is configured for 100-Gbps, ports 63 and 65 are disabled.

• 40-Gigabit Ethernet using QSFP+ optical transceivers. The default speed is 40 Gbps.

• 10-Gigabit Ethernet using breakout cabling and attached optical transceivers. When configured for channelization, the system converts the 40-Gigabit Ethernet port into 4 independent 10-Gigabit Ethernet ports. Use the set chassis fpc slot-number port port-number channel-speed speed command to change the port speed.

Each QSFP+ port (61, 62, 63, and 65 is part of a port group and is controlled either by the associated QSFP28 port (60 or 64). A QSFP28 port operating at 40-Gpbs speeds, the QSFP+ ports can be configured to support:

• 40-Gigabit Ethernet using QSFP+ optical transceivers. The default speed is 40 Gbps.

• 10-Gigabit Ethernet using breakout cables with attached optical transceivers. When configured for channelization, the system converts the 40-Gigabit Ethernet port into 4 independent 10-Gigabit Ethernet ports. Use the set chassis fpc slot-number port port-number channel-speed speed command to change the port speed.

Each SFP+ port (0 through 59) can be configured to support:

• 10-Gigabit Ethernet using SFP+ optical transceivers. The default speed is 10 Gbps.

• 1-Gigabit Ethernet using SFP optical or SFP-T copper transceivers. See Using Copper and Fiber SFP Transceivers.

Any of the 66 ports 0 through 65 can be configured as either uplink or access ports. The ports are enabled by default, and the default configuration adds the ports to the default VLAN.

Port Groups

The six combination ports of QSFP28 and QSFP+ can operate either as six independent 40-Gigabit Ethernet ports or as two port groups. The first port group is controlled by QSFP28 port 60 and administratively bundled with QSFP+ ports 61 and 62. The second port group is controlled by QSFP28 port 64 and administratively bundled with QSFP+ ports 63 and 65. To enable the port group, insert a 100-Gigabit Ethernet transceiver into the QSFP28 port and configure a port for 100-Gbps. Junos OS enables the QSFP28 port at 100-Gbps speed and disables the two QSFP+ ports bundled in the port group. Figure 14 shows the location of QSFP28 ports and port groups for the QFX10000-60S-6Q. Table 11 shows the available combinations for the ports.

Figure 14: QFX10000-60S-6Q Port Groups

Channelization of 40-Gigabit Ethernet Ports

Channelization from a 40-Gigabit Ethernet port into 4 independent 10-Gigabit Ethernet ports is supported on the QSFP28 and QSFP+ ports. Channelization to 50-Gbps or 25-Gbps speed is not supported on the 100-Gigabit Ethernet QSFP28 port. All ports in the port group are channelized when port 60 or port 64 are channelized. Ports cannot be channelized individually.

To channelize a 40-Gbps port to 4 independent 10-Gbps ports, use the set chassis fpc slot-number pic pic-number port port-number channel-speed speed command. For example, to channelize ports 60 through 62 for a line card in slot 6:

Review your configuration and issue the commit command.

If you want to return the port to the default, delete the speed statement from the configuration at the [chassis fpc 6 pic 1 port port-number] hierarchy level and commit the configuration. The network port is reset to the default 40-Gigabit Ethernet interface.

Using Copper and Fiber SFP Transceivers

When you configure the 10-Gigabit Ethernet ports 0 to 59 as 1-Gigabit Ethernet ports, you can use optical fiber SFP transceivers in any of the ports. However, copper SFP transceivers are restricted to the lower two rows. See Figure 15.

Figure 15: Supported Placement for Copper and Fiber SFP+ Transceivers

Because 1 Gbps copper SFP transceivers are physically larger than optical SFP transceivers, there is insufficient room for 3 copper SFP transceivers to be stacked. Use the top row only for optical SFP transceivers. You can stack copper transceivers in the bottom two rows. Ports are arranged belly-to-belly. Stacking three SFP transceivers in a column can damage the line card. For the recommended configuration, see Figure 16.

Figure 16: Belly-to-Belly SFP Transceivers

SFP+ Status and Activity LEDs

All status and activity LEDs for the SFP+ ports are located between the second and third rows of SFP+. The up arrow, circle, and down arrow indicate the row of the status. A bi-color LED indicates the status and activity. See Figure 17 and Table 12.

Figure 17: SFP+ Port Indicators and Status LEDs on a QFX10000-60S-6Q Line Card

• An up arrow indicates the first row.

• A circle indicates the second row.

• A down arrow indicates the third row.

QSFP+ and QSFP28 Status and Activity LEDs

All QSFP+ and QSFP28 ports have an up or down indicator for each port and four bi-colored LEDs that show port status and link activity based on whether or not the port is configured for channelization. See Table 13.

Figure 18: LED Indicators on QSFP+ and QSFP28 Ports on QFX10000-60S-6Q Line Card

Hardware Features

The line cards in QFX10000 modular switches combine a Packet Forwarding Engine and Ethernet interfaces in a single assembly. Line cards are field-replaceable units (FRUs) that can be installed in the line card slots on the front of the switch chassis. The line cards are hot-insertable and hot-removable; you can remove and replace them without powering off the switch or disrupting switch functions. See Figure 19.

Figure 19: QFX10000-6C-DWDM Port Panel

1 — Power and status LEDs	3 — Ports with embedded optics
2 — Network link and Ethernet link LEDs

Each QFX10K-12C-DWDM has 6 physical interfaces (OT) that connect to one of three built-in flexible rate optical transponders. Each transponder connects four 100-Gigabit Ethernet logical interfaces (ET) to one of three forwarding ASICs. The ASICs through a MACsec to PHY to MACsec encryption is optionally supported on each 100-Gigabit Ethernet interface. See Figure 20.

Figure 20: QFX10K-12C-DWDM Interfaces

Each of the six network ports can operate in one of three modulation formats, see Table 14.

Compatibility

The Juniper Networks Open Cloud Interconnect solution includes integrated 100 GbE coherent optics on Juniper Networks QFX Series switches; MX Series 5G Universal Routing Platforms and PTX Series Packet Transport Routers; and BTI Packet Optical Platforms optimized for DCI. As part of the Open Cloud Interconnect solution, the QFX10K-12C-DWDM coherent line card is compatible with many third-party optical products as well as Juniper Networks optical solutions and offerings. The QFX10K-12C-DWDM coherent line card is interoperable with the BTI Series Packet Optical Transport UFM6 in 100 Gbps, 150 Gbps, and 200 Gbps modes. It is also compatible with the MX Series MICs and PTX Series PICs in 100 Gbps mode using SDFEC or SDFEC25 FEC. See Table 15.

Optical Transmit Specifications

The line card is connected using single-mode fiber (SMF) and LC connectors. See Table 16 and Table 17 for the optical transponder specifications.

Optical Receive Specifications

Status and Activity LEDs

There are two kinds of LEDs for the network ports: port LEDs and Ethernet link LEDs. The LEDs for the six physical ports indicate the link state of an OT interface. There are four LEDs in between each port pair that indicate the link state of the associated ET interfaces, see Figure 21. To determine the link state of the OT interface, see Table 18.

Figure 21: DWDM Port and Ethernet Link State LEDs

1 — Port LEDs (OT interfaces)

2 — Ethenet LEDs (ET interfaces)

You can also determine the configuration of the ET interfaces by examining the pattern of the 4 Ethernet LEDs. See Table 19. To determine the link status and of those ET interfaces see Table 20.