Brocade Fabric OS Command Reference (Supporting Fabric OS v7.3.0) User Manual

Page 191

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Fabric OS Command Reference

161

53-1003131-01

configure

2

Disable Default PortName

When this mode is set, the switch does not generate a default port name.

Display FDMI Host Name

When this mode is set, the switch displays the FDMI Host name. By default this
feature is in OFF state.

Remote Fosexec feature

The remote fosexec configuration is bi-directional. The configuration is checked
when sending any fosexec request to a remote switch and also when receiving
the request from a remote switch. Thus, both the sending and receiving switched
must be configured with fosexec ON. By default remote fosexec feature is in OFF
state.

High Integrity Fabric Mode

Disables or enables the system to check for FMS mode and all existing HIF
parameters present in the switch. By default this feature is in OFF state.

Edge hold time

Configures the maximum time a frame can wait after it is received on the ingress
port and before it is delivered to the egress port. If the frame waits in the egress
buffer for more than the configured hold time, the switch drops the frame,
replenishes sender's credit, and increments the counters er_tx_c3_timeout and
er_rx_c3_timeout on the TX and RX ports respectively. The frame-timeout
indicates a slow draining or a congestion or bottleneck in the fabric. Decreasing
hold time on the edge switches may reduce frame drop counts in the core
switches. This parameter is stored persistently in the configuration file. You can
configure edge hold time on both default and logical switch.

The edge hold time configuration is a chip-based value and the configuration
varies between Condor2-based platforms and Condor3-based platforms.
Condor2-based platform provides one register to store the edge hold time value
and any change in this value will affect all ports in the chip. Therefore, the edge
hold time configuration will not be changed for Condor2-based platform ports in a
logical switch. The Condor2-based platform ports in a logical switch take the
default edge hold time value (220 milliseconds) or the value configured in the
default switch. Condor3-based platform provides four registers to store the edge
hold time configuration and therefore each port in a chip can be configured one of
the four values.

The edge hold time parameter is enabled by default with a value of 220
milliseconds. The following are the three predefined edge hold time values:

80

Low edge hold time (in milliseconds).

220

Medium edge hold time (in milliseconds). This is the default value.

500

High edge hold time (in milliseconds).

User Defined

A user-defined value may be defined in the range of 80 - 500 milliseconds in
increments of one. This value is only applicable to the default switch.

In a logical switch, the edge hold time configuration is updated only for Condor3
ports. If Condor2 ports are present in the logical switch, the SWCH-1025 RASLog
message is triggered to indicate that Condor2 ports are present and the edge hold
time configuration will not change for these ports.

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