Dell Force10 Z9000 FTOS Configuration Guide for Z9000 System - Page 412

www.dell.com | support.dell.com Port-pipes A port pipe is a Dell Force10 specific term for the hardware path that packets follow through a system. Port pipes travel through a collection of circuits (ASICs) built into line cards and RPMs on which various processing events for the packets occur. One or two port pipes process traffic for a given set of physical interfaces or a port-set. The E300 only supports one port pipe per slot. On the E1200 and E600, each slot has two port pipes with following specifications: • 48 port line rate cards have two port pipes on the line card • 48 port high density cards have only one port pipe on the line card Note: All references to the E1200 in this section include the E1200i-AC and E1200i-DC. References to E600 include the E600i. For the purposes of diagnostics, the major difference between the E-Series platforms is the number of port pipes per slot. • E1200 and E600-Each slot has two port-pipes. Each portpipe has nine 3.125Gbps channels to the backplane, one to each SFM. • E300-Each slot has one portpipe. Each port-pipe has eight 3.125Gbps channels to the backplane, with four channels to each SFM. Table 19-8 presents these platform differences again. Table 19-8. Platform Differences Concerning Port-pipes Chassis Type Port-pipes Channels / Capacity of Each Raw Slot Capacity / Slot Port-pipe Channel (Gbps) (Gbps) E1200/E1200i-AC/DC 2 E600/E600i 2 E300 1 9 3.125 9 3.125 8 3.125 56.25 56.25 25 412 | Interfaces