H Commands

H Commands
H Commands
• hardware ejector enable, page 2
• hardware fabric crc, page 3
• hash, page 4
• host, page 6
• host, page 8
• hw-module logging onboard, page 10
Cisco MDS 9000 Family Command Reference
1
H Commands
hardware ejector enable
hardware ejector enable
To enable the hardware card ejector functionality when the ejector lever is unlocked, use the hardware ejector
enable command.
hardware ejector enable
Syntax Description
This command has no arguments or keywords.
Command Default
Enabled.
Command Modes
Global configuration mode.
Command History
Usage Guidelines
Release
Modification
6.2(3)
This command was introduced.
This command does not require a license.
The purpose of the ejector release button on the supervisor or linecard is to unlock the ejector release lever.
When enabled, this command causes the supervisor to power down when the ejector release button is pressed.
In the case of a linecard, both ejector release buttons have to be pressed in order for the power down of the
linecard to occur.
Examples
This example shows the configuration command to enable the hardware power down feature when the ejector
release button(s) are pressed:
switch# config terminal
switch(config)# hardware ejector enable
This example shows the configuration command to disable the hardware power down feature when the ejector
release button is pressed:
switch# config terminal
switch(config)# no hardware ejector enable
Cisco MDS 9000 Family Command Reference
2
H Commands
hardware fabric crc
hardware fabric crc
To enable internal CRC detection and isolation functionality, use the hardware fabric crc command in
configuration mode. To disable this functionality, use the no form of the command.
hardware fabric crc [threshold threshold-count]
no hardware fabric crc
Syntax Description
threshold-count
Specifies the threshold count, taken over a 24-hour
period, consecutively. The range is 1 to 100.
Command Default
3.
Command Modes
Configuration mode.
Usage Guidelines
None.
Examples
The following example shows how to enable internal CRC detection and isolation:
switch# config terminal
switch(config)# hardware fabric crc [threshold
switch(config)#
threshold-count ]
The following example shows how to disable internal CRC detection and isolation:
switch# config terminal
switch(config)# no hardware fabric crc
switch(config)#
Cisco MDS 9000 Family Command Reference
3
H Commands
hash
hash
To configure a hash algorithm for an IKE protocol policy, use the hash command in IKE policy configuration
submode. To revert to the default, use the no form of the command.
hash {md5| sha}
no hash
Syntax Description
md5
Specifies the MD51 hash algorithm.
sha
Specifies the SHA2.
1 MD5 = Message-Digest
2 SHA = Secure Hash Algorithm
Command Default
SHA.
Command Modes
IKE policy configuration submode.
Command History
Release
Modification
2.0(x)
This command was introduced.
Usage Guidelines
To use this command, the IKE protocol must be enabled using the crypto ike enable command.
Examples
The following example shows how to configure the hash algorithm for the IKE protocol:
switch# config terminal
switch(config)# crypto ike domain ipsec
switch(config-ike-ipsec)# policy 1
switch(config-ike-ipsec-policy)# hash md5
Related Commands
Command
Description
crypto ike domain ipsec
Enters IKE configuration mode.
crypto ike enable
Enables the IKE protocol.
policy
Configures IKE policy parameters.
Cisco MDS 9000 Family Command Reference
4
H Commands
hash
Command
Description
show crypto ike domain ipsec
Displays IKE information for the IPsec domain.
Cisco MDS 9000 Family Command Reference
5
H Commands
host
host
To configure the host PWWN for the flow, use the host command. To delete a flow from a given flowgroup,
use the no form of the command.
host pwwn target pwwn vsan vsan id [tape] [compression]
no host pwwn target pwwn vsan vsan id [tape] [compression]
Syntax Description
pwwn
Specifies the host and target pwwn for the flow.
vsan
Specifies the VSAN where this flow is accelerated.
vsan id
Specifies the vsan ID where this flow is accelerated.
The range is from 1 to 4093.
tape
Enables tape acceleration.
compression
Enables compression.
Command Default
None.
Command Modes
Configuration submode.
Command History
Usage Guidelines
Examples
Release
Modification
NX-OS 4.2(1)
This command was introduced.
None.
The following example shows how to add a flow from a given flowgroup:
switch# conf t
Enter configuration commands, one per line. End with CNTL/Z.
switch(config)# ioa cluster tape_vault
switch(config-ioa-cl)# flowgroup tsm
switch(config-ioa-cl-flgrp)# host 10:0:0:0:0:0:0:1 target 11:0:0:0:0:0:0:1 vsan 100 tape
switch(config-ioa-cl-flgrp)# host 10:0:0:0:0:0:0:1 target 11:0:0:0:0:0:0:1 vsan 100
compression
switch(config-ioa-cl-flgrp)# host 10:0:0:0:0:0:0:2 target 11:0:0:0:0:0:0:2 vsan 100 tape
compression
sjc-sw2(config-ioa-cl-flgrp)# end
Cisco MDS 9000 Family Command Reference
6
H Commands
host
Related Commands
Command
Description
flowgroup
Configures IOA flowgroup.
Cisco MDS 9000 Family Command Reference
7
H Commands
host
host
Use the host command to configure the switch offline state, the mainframe access control parameters, and
the mainframe time stamp parameters. To disable the configuration or to revert to factory defaults, use the no
form of the command.
host {control [switch offline]| port control| set-timestamp}
no host {control [switch offline]| port control| set-timestamp}
Syntax Description
control
Allows the host control of FICON.
switch offline
(Optional) Allows the host to move the switch to an
offline state and shut down the ports (default).
port control
Enables the host to configure FICON parameters.
set-timestamp
Allows the host to set the director clock.
Command Default
Host offline control enabled.
Command Modes
FICON configuration mode.
Command History
Release
Modification
1.3(1)
This command was introduced.
Usage Guidelines
By default, the clock in each VSAN is the same as the switch hardware clock. Mainframe users are allowed
to change the VSAN-clock.
Examples
The following example prohibits mainframe users from moving the switch to an offline state:
switch# config terminal
switch(config)# ficon vsan 2
switch(config-ficon)# no host control switch offline
The following example allows the host to move the switch to an offline state and shut down the ports:
switch(config-ficon)# host control switch offline
Cisco MDS 9000 Family Command Reference
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H Commands
host
The following example prohibits mainframe users to configure FICON parameters in the Cisco MDS switch
(default):
switch(config-ficon)# no host port control
The following example allows mainframe users to configure FICON parameters in the Cisco MDS switch:
switch(config-ficon)# host port control
The following example prohibits mainframe users from changing the VSAN-specific clock:
switch(config-ficon)# no host set-timestamp
The following example allows the host to set the clock on this switch (default):
switch(config-ficon)# host set-timestamp
Related Commands
Command
Description
ficon vsan vsan-id
Enables FICON on the specified VSAN.
show ficon
Displays configured FICON details.
Cisco MDS 9000 Family Command Reference
9
H Commands
hw-module logging onboard
hw-module logging onboard
To configure on-board failure logging (OBFL), use the hw-module logging onboard command. To disable
this feature, use the no form of the command.
hw-module logging onboard [module slot] [log-type]
no hw-module logging onboard [module slot] [log-type]
Syntax Description
module slot
Configures OBFL for a specified module.
log-type
Specifies the type of events for on-board failure
logging.
cpu-hog
Specifies CPU hog events.
environmental-history
Specifies environmental history events.
error-stats
Specifies error statistics events.
interrupt-stats
Specifies interrupt statistics events.
mem-leak
Specifies memory leak events.
miscellaneous-error
Specifies miscellaneous information events.
obfl-log
Specifies boot uptime, device version, and OBFL
history.
Command Default
Enabled.
Command Modes
Configuration mode.
Command History
Usage Guidelines
Release
Modification
3.0(1)
This command was introduced.
OBFL data uses the module’s persistent logging facility to store data in its CompactFlash memory. When
OBFL is disabled, the persistent logging facility discards all entries sent to it for logging.
Cisco MDS 9000 Family Command Reference
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H Commands
hw-module logging onboard
Examples
The following example configures on-board failure logging of memory leak events on module 2:
switch# config terminal
switch(config)# hw-module logging onboard module 2 mem-leak
Related Commands
Command
Description
clear logging onboard
Clears OBFL information.
show logging onboard
Displays OBFL information.
Cisco MDS 9000 Family Command Reference
11
H Commands
hw-module logging onboard
Cisco MDS 9000 Family Command Reference
12
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