Emerson ATCA-F120, Installation And Use Manual

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Functional Description
ATCA-F120 Installation and Use (6806800D06F )
84
Via on-board switches you can control the write-protection status of both flashes. By default,
both user flash devices are write-enabled. For further details refer to
Configuring the Blade on
page 42 .
4.7 Fabric Channel Interfaces
The fabric channel interfaces on the ATCA-F120 are implemented via the following two switch
devices:
z
Broadcom BCM56800
z
Broadcom BCM56502
The following table lists the main features of these two switch devices.
Table 4-1 Main Features of Fabric Channel Interface Switches
Feature Broadcom BCM56800 Broadcom BCM56502
Switch Ports Twenty 10GbE/1GbEthernet
ports Twenty four 1Gb Ethernet ports +
two 10GbEthernet ports
Architecture StrataXGS
™
StrataXGS
™
Switching capacity 200 Gbps at line rate 196 Gbps at line rate
Service classes Support for eight classes of
service (CoS) per port Support for eight classes of Service
(CoS) plus two additional classes for
Flow Control and system
management per port
Scheduling mechanism Support for deficit round robin,
weighted round robin and strict
priority scheduling Support for deficit round robin,
weighted round robin and strict
priority scheduling
Cut-Through switching
mode Supported Supported
Port trunking and
remote mirroring mode Supported Supported
Advanced packet flow
control Support for head of line blocking
prevention and full-duplex flow
control (802.3x) Support for head of line blocking
prevention and full-duplex flow
control (802.3x)