gtm link
gtm link(1) BIG-IP TMSH Manual gtm link(1)
NAME
link - Configures Global Traffic Manager(tm) links.
MODULE
gtm
SYNTAX
Configure the link component within the gtm module using the syntax in
the following sections.
CREATE/MODIFY
create link [name]
modify link [name]
options:
app-service [[string] | none]
cost-segments {
{ [up-to-bps [integer] ] [dollars-per-mbps [integer] ] }...
}
datacenter [string]
description [string]
[disabled | enabled]
duplex-billing [disabled | enabled]
limit-max-inbound-bps [integer]
limit-max-inbound-bps-status [disabled | enabled]
limit-max-outbound-bps [integer]
limit-max-outbound-bps-status [disabled | enabled]
limit-max-total-bps [integer]
limit-max-total-bps-status [disabled | enabled]
link-ratio [integer]
monitor [none | [name] [and [name] ]... ]
monitor min [integer] of { [name]... }
prepaid-segment [integer]
router-addresses
[add | delete | modify | replace-all-with] {
[ip address] {
app-service [[string] | none]
description [string]
device-name [[string] | none]
translation [disabled | enabled]
}
}
service-provider [name]
uplink-address [ip address]
weighting [price | ratio]
edit link [ [ [name] | [glob] | [regex] ] ... ]
options:
all-properties
non-default-properties
one-line
reset-stats link
reset-stats link [ [ [name] | [glob] | [regex] ] ... ]
DISPLAY
list link
list link [ [ [name] | [glob] | [regex] ] ... ]
show running-config link
show running-config link [ [ [name] | [glob] | [regex] ] ... ]
options:
all-properties
non-default-properties
show link
show link [name]
options:
(default | exa | gig | kil | meg | peta | raw | tera | yotta | zetta)
detail
field-fmt
DELETE
delete link [name]
DESCRIPTION
You can use the link component to create, display, modify, or delete a
link.
A link is a physical device that connects the network to the rest of
the Internet. You can logically attach links to a collection of servers
in order to manage access to the data sources on the network.
EXAMPLES
create link my_link datacenter DC1 router-addresses add {10.10.1.1}
Creates a link named my_link in the DC1 data center and adds the IP
address of the router that uses this link.
list link non-default-properties
Displays all non-default properties for all links.
delete link my_link
Deletes the link named my_link.
show link my_link detail
Show the servers and virtual servers associated with my_link.
show link all detail
Show the servers and virtual servers associated with each
respective link in the system.
OPTIONS
app-service
Specifies the name of the application service to which the link
belongs. The default value is none. Note: If the strict-updates
option is enabled on the application service that owns the object,
you cannot modify or delete the link. Only the application service
can modify or delete the link.
cost-segments
Specifies the cost of each incremental segment of bandwidth. This
option is valid only when the weighting option is set to price.
Note that you cannot modify the list, only replace all of the
options in the list.
By default, the list is empty. The options are:
dollars-per-mps
Specifies the cost in dollars per megabytes per second. By
default this value is not specified.
up-to-bps
Specifies the cost in dollars per bytes per second. By
default this value is not specified.
datacenter
Specifies the data center to which the link belongs.
description
User defined description.
detail
The detail option is used with the show display command. This
shows the server IP addresses and virtual servers associated with
this link. A server can have multiple server IP addresses,
however, only the server IP addresses that use this link will be
displayed. Assignment information for servers and virtuals will
not be displayed if there are not any servers or virtuals that use
this link. By default, links are automatically matched to server
IP addresses and virtual servers according to their IP addresses.
Explicit links may also be defined. How this link was assigned is
displayed under the Link Assignment column: auto means that the
system automatically assigned this link, and explicit means that
the link was explicitly set by the user.
[disabled | enabled]
Specifies whether the link and its resources are available for
load balancing. The default value is enabled.
duplex-billing
Enables or disables duplex billing for this link. The default
value is enabled. This option is valid only when the weighting
option is set to price.
disabled
The internet service provider (ISP) that supplies this link
bills for bandwidth usage based on the total amount of
inbound plus outbound traffic on the link.
enabled
The ISP that supplies this link bills for bandwidth usage
based on the maximum amount of either inbound or outbound
traffic on the link (whichever is higher), rather than
billing for bandwidth usage based on the total amount of
inbound plus outbound traffic on the link.
glob Displays the items that match the glob expression. See help glob
for a description of glob expression syntax.
limit-max-inbound-bps
Specifies the threshold for inbound traffic on the link. The
default value is 0 (zero).
limit-max-inbound-bps-status
Enables or disables the limit-max-inbound-bps option for this
link. The default value is disabled.
limit-max-outbound-bps
Specifies the threshold for inbound traffic on the link. The
default value is 0 (zero).
limit-max-outbound-bps-status
Enables or disables the limit-max-outbound-bps option for this
link. The default value is disabled.
limit-max-total-bps
Specifies the threshold as a sum of inbound and outbound traffic
on the link. The default value is 0 (zero).
limit-max-total-bps-status
Enables or disables the limit-max-total-bps option for this link.
The default value is disabled.
link-ratio
Specifies the frequency at which the system sends traffic through
the link. The default value is 1.
Important: When you set this option, you must also set the
weighting option to ratio.
monitor
Specifies the health monitors that the system uses to determine
whether this link is available for load balancing. Multiple
monitors may be specified with the and keyword. The min keyword is
used to specify the minimum number of monitors that must succeed
for this link to be declared up. The default value is none.
name Specifies a unique name for the component. This option is required
for the commands create and modify.
prepaid-segment
Specifies the amount of bandwidth for which the system is prepaid.
This option is valid only when the weighting option is set to
price. The default value is 0 (zero).
regex
Displays the items that match the regular expression. The regular
expression must be preceded by an at sign (@[regular expression])
to indicate that the identifier is a regular expression. See help
regex for a description of regular expression syntax.
router-addresses
Specifies the IP addresses of the routers that use this link. A
router address can be associated with only one link. You can use
the following options:
app-service
Specifies the name of the application service to which the
link belongs. The default value is none. Note: If the strict-
updates option is enabled on the application service that
owns the object, you cannot modify or delete the link. Only
the application service can modify or delete the link.
description
User defined description.
device-name
Deprecated in v13.0.0 Specifies the name of the device
associated with this link. Defaults to none.
translation
Specifies the address that the link uses for translation when
communicating between the network and the Internet. The
default value is any6.
service-provider
Specifies the Internet Service Provider (ISP) or vendor that
supplies this link. This allows you to provide a name or
description that helps identify this link out of your data center.
This is an optional field.
uplink-address
Specifies the IP address the system uses to gather Simple Network
Management Protocol (SNMP) metrics from the router interface. When
you configure an uplink address, the system sends SNMP requests to
the IP addresses configured using the router-addresses option for
this link.
weighting
Specifies the weighting methodology the system uses to select a
link to which to send traffic. The default value is ratio. The
options are:
price
The system continuously checks the performance of each link,
and sends traffic through the link with the best performance
data.
ratio
The system uses the value that you set in the link-ratio
option to determine the link to which to send traffic.
SEE ALSO
create, delete, edit, glob, gtm datacenter, gtm server, list, modify,
regex, reset-stats, show, tmsh
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F5 Networks and BIG-IP (c) Copyright 2008-2014. All rights reserved.
BIG-IP 2016-11-18 gtm link(1)