Cisco Wide Area Application Services Command Reference (Software Version 4.1.1)

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Updated:
March 18, 2015

Chapter: Preposition Configuration Mode Commands


Preposition Configuration Mode Commands

To create and modify preposition directives on a WAAS device for prepositioning files for WAFS, use the accelerator cifs preposition global configuration command.

accelerator cifs preposition directive_id

Syntax Description

directive_id

Preposition directive ID of an existing preposition directive that you want to change or a new directive that you want to create.


Defaults

No default behavior or values.

Command Modes

global configuration

Device Modes

application-accelerator

Usage Guidelines

Use the accelerator cifs preposition command to create and edit preposition directives to be used with the transparent CIFS accelerator. A preposition directive defines a set of files that are to be prepositioned on the WAE device.

Within preposition configuration mode, you can use the various commands (server, root, scan-type, schedule, and so on) to configure a preposition directive. To return to global configuration mode, enter the exit command at the preposition configuration mode prompt.

Note We recommend that you use the WAAS Central Manager GUI to configure preposition directives. For more information, see the "Creating a Preposition Directive" section in the Cisco Wide Area Application Services Configuration Guide.

Examples

The following example shows how to enter preposition configuraiton mode and configure a preposition directive using the accelerator cifs preposition command: 

WAE(config)# accelerator cifs preposition 1

WAE(config-preposition)#

Related Commands

(config) accelerator cifs

(config-preposition) credentials

To set the username and password credentials for a the file server in a preposition directive, use the credentials preposition configuration command.

credentials username username password {0 | 1} password}

Syntax Description

username username

Specifies the username.

password {0 | 1} password

Specifies the password. To indicate that the password string is unencrypted, specify 0. To indicated that the password string is encrypted, specify 1.


Defaults

No default behavior or values.

Command Modes

preposition configuration mode

Device Modes

application-accelerator

Examples

The following example shows how to set the username and password credentials: 

WAE(config)# accelerator cifs preposition 3

WAE(config-preposition)# credentials username ramyav password 0 ux5TjW8r

Related Commands

(config-preposition) server

(config-preposition) dscp

To set the DSCP marking value for a preposition task, use the dscp preposition configuration command. To remove a DSCP marking value, use the no form of this command.

dscp value

no dscp value

Syntax Description

value

DSCP marking value to assign to prepositioning traffic.


Defaults

No default behavior or values.

Command Modes

preposition configuration mode

Device Modes

application-accelerator

Usage Guidelines

This command specifies the DSCP marking value to be used for prepositioning traffic.

DSCP is a field in an IP packet that enables different levels of service to be assigned to the network traffic. The levels of service are assigned by marking each packet on the network with a DSCP code and associating a corresponding level of service. DSCP is the combination of IP Precedence and Type of Service (ToS) fields. For more information, see RFC 2474.

For details on the valid DSCP marking values, see Table 3-119 on page -501.

Examples

The following example shows how to set the DSCP marking value to cs7: 

WAE(config)# accelerator cifs preposition 3

WAE(config-preposition)# dscp cs7

Related Commands 

(config) policy-engine application set-dscp

(config-preposition) duration

To set the maximum duration for a preposition task, use the duration preposition configuration command. To remove a duration limit, use the no form of this command.

duration minutes

no duration minutes

Syntax Description

minutes

Maximum number of minutes that the preposition task is allowed to run.


Defaults

No default behavior or values.

Command Modes

preposition configuration mode

Device Modes

application-accelerator

Usage Guidelines

This command specifies the maximum amount of time that the WAAS software should take to complete the preposition task. If the software takes longer than this amount of time, the software stops the prepositioning process before all files are copied to the Edge WAE cache. If the preposition task does not start at the scheduled start time (for example, because the Edge and the Core have no connection), the start retries are counted in the duration. If you do not specify a value for this command, WAAS takes as much time as needed to export this file server.

Examples

The following example shows how to set the maximum task duration to 60 minutes: 

WAE(config)# accelerator cifs preposition 3

WAE(config-preposition)# duration 60

Related Commands

(config-preposition) schedule

(config-preposition) enable

To enable a preposition directive, use the enable preposition configuration command. To disable a preposition directive, use the no form of this command.

enable

no enable

Syntax Description

This command has no arguments or keywords.

Defaults

Not enabled.

Command Modes

preposition configuration mode

Device Modes

application-accelerator

Examples

The following example shows how to enable a preposition directive: 

WAE(config)# accelerator cifs preposition 5

WAE(config-preposition)# enable

Related Commands 

(config) accelerator cifs preposition

(config-preposition) ignore-hidden-dir

To ignore hidden directories in the set of files to be prepositioned, use the ignore-hidden-dir preposition configuration command.

ignore-hidden-dir

Syntax Description

This command has no arguments or keywords.

Defaults

Hidden directories are not ignored.

Command Modes

preposition configuration mode

Device Modes

application-accelerator

Examples

The following example shows how to prevent hidden directories from being prepositioned: 

WAE(config)# accelerator cifs preposition 3

WAE(config-preposition)# ignore-hidden-dir

Related Commands

(config-preposition) root

(config-preposition) max-cache

To set the maximum percentage of the cache that the files from a preposition directive can use, use the max-cache preposition configuration command.

max-cache percentage

Syntax Description

percentage

Integer from 1-100 that specifies a percentage of the overall Edge WAE cache that prepositioned files can consume.


Defaults

5

Command Modes

Preposition configuration mode

Device Modes

application-accelerator

Examples

The following example shows how to set the maximum cache percentage to 10 percent: 

WAE(config)# accelerator cifs preposition 3

WAE(config-preposition)# max-cache 10

Related Commands

(config-preposition) max-file-size

(config-preposition) max-file-size

To set the maximum size file that can be prepositioned, use the max-file-size preposition configuration command. To remove this limit, use the no form of this command.

max-file-size size_in_kb

no max-file-size size_in_kb

Syntax Description

size_in_kb

Number of kilobytes of the maximum file size.


Defaults

No default behavior or values.

Command Modes

preposition configuration mode

Device Modes

application-accelerator

Usage Guidelines

Files that are larger than the specified size are not prepositioned.

Examples

The following example shows how to set the maximum file size to 1000 KB: 

WAE(config)# accelerator cifs preposition 3

WAE(config-preposition)# max-file-size 1000

Related Commands

(config-preposition) max-cache

(config-preposition) min-file-size

To set the minimum size file that can be prepositioned, use the min-file-size preposition configuration command. To remove this limit, use the no form of this command.

min-file-size size_in_kb

no min-file-size size_in_kb

Syntax Description

size_in_kb

Number of kilobytes of the minimum file size.


Defaults

20 KB

Command Modes

preposition configuration mode

Device Modes

application-accelerator

Usage Guidelines

Files that are smaller than the specified size are not prepositioned.

Examples

The following example shows how to set the minumum file size to 50 KB: 

WAE(config)# accelerator cifs preposition 3

WAE(config-preposition)# min-file-size 50

Related Commands

(config-preposition) max-file-size

(config-preposition) name

To set the display name of a preposition directive, use the name preposition configuration command.

name name

Syntax Description

name

Name of a preposition directive.


Defaults

The default name is New preposition directive n.

Command Modes

preposition configuration mode

Device Modes

application-accelerator

Examples

The following example shows how to set the preposition directive name: 

WAE(config)# accelerator cifs preposition 3

WAE(config-preposition)# name working_files

Related Commands 

(config-preposition) enable

(config-preposition) pattern

To filter the files included for a preposition directive, use the pattern preposition configuration command. To remove this filter, use the no form of this command.

pattern {equals | starts-with | ends-with | contains} text

no pattern {equals | starts-with | ends-with | contains} text

Syntax Description

equals

Specifies to limit the selected files to those filenames that are equal to the specified text.

starts-with

Specifies to limit the selected files to those filenames that start with the specified text.

ends-with

Specifies to limit the selected files to those filenames that end with the specified text.

contains

Specifies to limit the selected files to those filenames that contain the specified text.

text

Text string that filters the selected files based on the pattern option.


Defaults

No default behavior or values.

Command Modes

preposition configuration mode

Device Modes

application-accelerator

Examples

The following example shows how to set a pattern filter to select only files that end with .doc: 

WAE(config)# accelerator cifs preposition 3

WAE(config-preposition)# pattern ends-with .doc

Related Commands

(config-preposition) root

(config-preposition) recursive

To include files in subdirectories for a preposition directive, use the recursive preposition configuration command. To not include subdirectories, use the no form of this command.

recursive

no recursive

Syntax Description

This command has no arguments or keywords.

Defaults

Subdirectories are included.

Command Modes

preposition configuration mode

Device Modes

application-accelerator

Examples

The following example shows how to exclude subdirectories from prepositioning: 

WAE(config)# accelerator cifs preposition 3

WAE(config-preposition)# no recursive

Related Commands

(config-preposition) root

(config-preposition) root

To set a root directory for a preposition directive, use the root preposition configuration command.

root path

Syntax Description

path

Full pathname to the directory, not including the server name.


Defaults

No default behavior or values.

Command Modes

preposition configuration mode

Device Modes

application-accelerator

Usage Guidelines

You can configure multiple root directories by executing this command multiple times for a preposition directive.

Examples

The following example shows how to set a root preposition directory: 

WAE(config)# accelerator cifs preposition 3

WAE(config-preposition)# root home/working

Related Commands

(config-preposition) pattern

(config-preposition) recursive

(config-preposition) scan-type

(config-preposition) server

(config-preposition) scan-type

To set the file scanning type for a preposition directive, use the scan-type preposition configuration command.

scan-type {full | since last | since period units}

Syntax Description

full

Specifies to copy all files to the Edge WAE cache.

since last

Specifies to copy only the files that have changed since the last preposition to the Edge WAE cache. This differential filter is applied from the second iteration of a task execution onward.

If a new directory is moved to an already prepositioned directory (without changing its last-modified time), this new directory is not prepositioned during the next prepositioning session when you choose this option.

since period units

Specifies to copy only the files that have changed within the specified period. Period values are the number of minutes, hours, days, or weeks (depending on the units specified). Unit values are min, hour, day, or week.


Defaults

Full

Command Modes

preposition configuration mode

Device Modes

application-accelerator

Examples

The following example shows how to set the scan-type for a preposition directive: 

WAE(config)# accelerator cifs preposition 3

WAE(config-preposition)# scan-type since last

Related Commands

(config-preposition) recursive

(config-preposition) root

(config-preposition) schedule

To set the schedule for starting a preposition task, use the schedule preposition configuration command.

schedule {now |
daily time |
date date time |
weekly {dayname [dayname]...} time time |
monthly {week-day dayname weeknumber time time | {day day [day]...} } time time}

Syntax Description

now

Specifies that prepositioning occurs within a few minutes of submitting the schedule.

daily time

Specifies that prepositioning occurs daily at the defined time at which to run the prepositioning task, in the following format: hh:mm, where hh is the hour (00-23) and mm is the minutes (00-59).

Hours are in 24-hour format, as in the following example: 23:01

date date time

Specifies that prepositioning occurs at the defined time and date at which to run the prepositioning task, in the following format: DD:MM:YYYY, where DD is the day (01-31), MM is the month (01-12), and YYYY is the year (1993-2035). The time is in the following format: hh:mm, where hh is the hour (00-23) and mm is the minutes (00-59).

Example: 28:09:2008 23:01

weekly dayname

Specifies that prepositioning occurs on the selected days of the week at the defined time. To specify multiple days, separate them with spaces, as follows: Monday Tuesday

time time

Specifies the time to run the preposition task on the specified days.

monthly

Specifies that prepositioning occurs on the selected days or dates of the month at the defined time.

week-day dayname weeknumber

Specifies a named day of the week and week of the month to start preposition. Only one day is allowed. Week number values are 1-4.

day day

Specifies a numbered day of the month (integer). To specify multiple days, separate them with spaces, as follows: day 1 6 11 16 21 26 31.


Defaults

now

Command Modes

preposition configuration mode

Device Modes

application-accelerator

Examples

The following example shows how to set the preposition task to run daily at 11:30 p.m.: 

WAE(config)# accelerator cifs preposition 3

WAE(config-preposition)# schedule daily 23 30 00

The following example shows how to set the preposition task to run on December 15, 2008 at midnight: 

WAE(config-preposition)# schedule date 15:12:2008 00:00

The following example shows how to set the preposition task to run weekly on Wednesdays and Fridays at 8 p.m.: 

WAE(config-preposition)# schedule weekly Wednesday Friday time 20:00

The following example shows how to set the preposition task to run monthly on the 1st and 15th days at 1:00 a.m.: 

WAE(config-preposition)# schedule monthly day 1 time 15 1:00

Related Commands

(config-preposition) duration

(config-preposition) server

To set a server name for a preposition directive, use the server preposition configuration command.

server name

Syntax Description

name

Server name.


Defaults

No default behavior or values.

Command Modes

preposition configuration mode

Device Modes

application-accelerator

Examples

The following example shows how to set a server name for a preposition directive: 

WAE(config)# accelerator cifs preposition 3

WAE(config-preposition)# server win12srv

Related Commands

(config-preposition) credentials

(config-preposition) root

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