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100-Gigabit Ethernet PIC Overview

The 100-Gigabit Ethernet PIC is a 1-port 100-Gigabit Ethernet Type 4 PIC with 100-gigabit small form-factor pluggable transceiver (CFP). The 100-Gigabit Ethernet PIC occupies FPC slots 0 and 1 in the T1600-FPC4-ES FPC. This PIC is available only as packaged in an assembly with the T1600-FPC4-ES FPC. For information on supported transceivers and hardware, see 100-Gigabit Ethernet PIC with CFP (T1600 Router).

The 100-Gigabit Ethernet PIC supports flexible encapsulation and MAC accounting.

MAC learning, MAC policing, and Layer 2 rewrite functionality are not supported.

The ingress flow can be filtered based on the VLAN source and destination addresses. Ingress frames can also be classified according to VLAN, stacked VLAN, source address, VLAN source address, and stacked VLAN source address. VLAN manipulation on egress frames are supported on both outer and inner VLAN tags.

• The following encapsulation protocols are supported:
  • Layer 2 protocols
    • Ethernet CCC, Ethernet TCC, Ethernet VPLS
    • VLAN CCC
    • Extended VLAN TCC
    • VLAN VPLS
    • Flexible Ethernet service
  • Layer 3 protocols
    • IPv4
    • Ipv6
    • MPLS
• CFP MSA compliant MDIO control features (transceiver dependent).
• Graceful Routing Engine switchover (GRES) is supported in all PIC and chassis configurations.
• Interface creation:
  • When the PIC, is brought online, the router creates two 50 gigabit capable interfaces, et-x/0/0:0 and et-x/0/0:1, where x represents the FPC slot number. Each physical interface represents two internal 50 gigabit Ethernet Packet Forwarding Engines. Two logical interfaces are configured under each physical interface.
  • Packet Forwarding Engine 0 is physical interface 0, Packet Forwarding Engine 1 is physical interface 1
• 802.3 link aggregation:
  • Two logical interfaces are created for each 100-Gigabit Ethernet PIC. To utilize bandwidth beyond 50 gigabits per second, an aggregate interface must be explicitly configured on the 100-Gigabit Ethernet PIC that includes the two 50 gigabit interfaces.
  • Each 100 gigabit Ethernet aggregate consumes one of the router-wide aggregated Ethernet device pools. The number of 100-Gigabit Ethernet PICs cannot exceed the router-wide limit, which is 128 for Ethernet.
  • In each aggregate bundle, each 100-Gigabit Ethernet PIC consumes two members. Hence, an aggregate bundle that consists purely of 100-Gigabit Ethernet PICs supports a maximum of half of the software limit for the number of members. Therefore, with a maximum of 16 links, up to 8 100-Gigabit Ethernet links are supported.
  • Combining 100-Gigabit Ethernet PICs into aggregate interfaces with other Ethernet PICs is not permitted. However, other Ethernet PICs can also be configured within the same T1600 with 100-Gigabit Ethernet PICs, and used in separate aggregate interfaces.
  • Multiple (Juniper Networks) Type 4 100-Gigabit Ethernet PICs on a T1600 router can be combined into a static aggregated Ethernet bundle to connect to a different type of 100 gigabit Ethernet PIC on a remote router (Juniper Networks or other vendors). LACP is not supported in this configuration.
• Software Packet Forwarding Engine—Supports all Gigabit Ethernet PIC classification, firewall filter, queuing model, and rewrite functionality.
• Egress traffic performance—Maximum egress throughput is 100 gigabits per second on the physical interface, with 50 gigabits per second on the two assigned logical interfaces.
• Ingress traffic performance—Maximum ingress throughput is 100 gigabits per second on the physical interface, with 50 gigabits per second on the two assigned logical interfaces. To achieve 100 gigabits per second ingress traffic performance, use one of the interoperability modes described below. For example, if VLAN steering mode is not used when connecting to a remote 100 gigabits per second interface (that is on a different 100 gigabits per second PIC on a Juniper Networks router or a different vendor’s equipment), then all ingress traffic will try to use one of the 50 gigabits per second Packet Forwarding Engines, rather than be distributed among the two 50 gigabits per second Packet Forwarding Engines, resulting in a total of 50 gigabits per second ingress performance.
• Interoperability modes—The 100-Gigabit Ethernet PIC supports interoperability with through configuration in one of the following two forwarding option modes:
  • SA multicast mode—In this mode, the 100-Gigabit Ethernet PIC supports interconnection with other Juniper Networks 100-Gigabit Ethernet PICs (Model: PD-1CE-CFP) interfaces only.
  • VLAN steering mode—In this mode, the 100-Gigabit Ethernet PIC supports interoperability with 100 gigabit Ethernet interfaces from other vendors only.