P2-10G-40G-QSFPP PIC Overview
Starting with Junos OS Release 14.1R2 and 14.2R1, PTX5000 supports the P2-10G-40G-QSFPP PIC on the FPC2-PTX-P1A FPC.
All the ports on the P2-10G-40G-QSFPP PIC are plugged into quad small form-factor pluggable plus transceivers (QSFP+) that, in turn, are connected to fiber-optic cables that support both 10-Gigabit Ethernet standards and 40-Gigabit Ethernet standards, thereby enabling you to configure the PIC to operate either in 10-Gigabit Ethernet mode or in 40-Gigabit Ethernet mode.
Starting from Junos OS Release 15.1, you can perform the following on the P2-10G-40G-QSFPP PIC on PTX5000 routers:
You can configure the interfaces on this PIC to be a part of the mixed rates and mixed mode aggregated Ethernet bundles.
Port-based pseudowire class of service (CoS) classification which includes Layer 3 IPv4, IPv6, and MPLS classification for interfaces with ethernet-ccc encapsulation.
The following sections describe the P2-10G-40G-QSFPP PIC and the various framing modes that are supported on it:
Understanding Dual Configuration on P2-10G-40G-QSFPP PIC
All the ports on the P2-10G-40G-QSFPP PIC are QSFP+ based—that is, all the ports are connected to fiber-optic cables by means of QSFP+ transceivers.
The QSFP+ module—which includes the transceiver and the fiber-optic cable—supports the following standards on the P2-10G-40G-QSFPP PIC:
10-Gigabit Ethernet in LAN PHY framing mode (also known as native Ethernet mode) and WAN PHY framing mode.
40-Gigabit Ethernet in LAN PHY framing mode.
The P2-10G-40G-QSFPP PIC provides forty-eight 10-Gigabit Ethernet ports or twelve 40-Gigabit Ethernet ports. The PIC can be configured either in 10-Gigabit Ethernet mode or in 40-Gigabit Ethernet mode with the set chassis fpc fpc-number pic pic-number pic-mode (10G | 40G) configuration command. By default, the PIC is configured in 10-Gigabit Ethernet LAN PHY framing mode.
If you want configure the PIC in 10-Gigabit Ethernet mode to operate in 40-Gigabit Ethernet mode, you must:
Delete all the interfaces in the PIC at the [edit interfaces] hierarchy level.
Configure the PIC to operate in 40-Gigabit Ethernet mode by using the set chassis fpc fpc-slot pic pic-slot pic-mode 40G configuration command and commit.
The PIC reboots and starts operating in the new mode.
The same procedure is applicable when you can configure the PIC in 40-Gigabit Ethernet PIC to operate in 10-Gigabit Ethernet mode. In this case, you must execute the set chassis fpc fpc-slot pic pic-slot pic-mode 10G configuration mode command.
To check the current diagnostics of the PIC, you must run the
relevant operational mode CLI commands such as show chassis hardware, show interfaces,
show interfaces diagnostics
optics interface-name, and so on.
Port Numbering on P2-10G-40G-QSFPP PIC
Table 1 shows the port numbering in 40-Gigabit Ethernet mode and in 10-Gigabit Ethernet mode.
Table 1: Port Numbering Table
QSFP+ Port Number
Port Numbering in 40-Gigabit Ethernet Mode
Port Numbering in 10-Gigabit Ethernet Mode
10-Gigabit Ethernet Mode
A 10-Gigabit Ethernet interface can operate in 10-Gigabit Ethernet LAN PHY framing mode or 10-Gigabit Ethernet WAN PHY framing mode.
You can configure a 10-Gigabit Ethernet interface at the [edit interface interface-name framing-mode (lan-phy | wan-phy)] hierarchy level to operate in 10-Gigabit Ethernet LAN PHY framing mode or in 10-Gigabit Ethernet WAN PHY framing mode.
Each P2-10G-40G-QSFPP PIC provides 48 physical interfaces. The interfaces are represented by the et-fpc/pic/QSFP+ port:channel interface naming convention, where the value of the QSFP+ port option ranges from 0 through 11 and the value of the channel option ranges from 0 through 3.
When a P2-10G-40G-QSFPP PIC is configured in 10-Gigabit Ethernet framing mode, it can operate in one of the following framing modes:
LAN PHY framing mode. Note that by default, the PIC is in 10-Gigabit Ethernet LAN PHY framing mode.
The ports are set to LAN PHY framing mode by default when the framing-mode statement is not configured at the [edit interface interface-name] hierarchy level.
WAN PHY framing mode
40-Gigabit Ethernet Mode
You can configure twelve 40-Gigabit Ethernet interfaces that operate in LAN PHY framing mode. The interfaces are represented by the et-fpc/pic/QSFP+ port interface naming convention, where the value of the QSFP+ port option ranges from 0 through 11.