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lsn-pool
The following operations can be performed on “lsn-pool”:
| unbind | bind | add | stat | show | unset | set | rm |
unbind lsn pool
Unbind LSN Pool with ip address range. NOTE: This command is deprecated.LSN related configuration commands are being deprecated will be removed in a future release
Synopsis
Arguments
poolname Name for the LSN pool. Must begin with an ASCII alphanumeric or underscore (_) character, and must contain only ASCII alphanumeric, underscore, hash (#), period (.), space, colon (:), at (@), equals (=), and hyphen (-) characters. Cannot be changed after the LSN pool is created. The following requirement applies only to the Citrix ADC CLI: If the name includes one or more spaces, enclose the name in double or single quotation marks (for example, “lsn pool1” or ‘lsn pool1’).
ownerNode ID(s) of cluster node(s) on which command is to be executed Default value: -1 Minimum value: 0 Maximum value: 31
lsnip IPv4 address or a range of IPv4 addresses to be used as NAT IP address(es) for LSN. After the pool is created, these IPv4 addresses are added to the Citrix ADC as Citrix ADC owned IP address of type LSN. A maximum of 4096 IP addresses can be bound to an LSN pool. An LSN IP address associated with an LSN pool cannot be shared with other LSN pools. IP addresses specified for this parameter must not already exist on the Citrix ADC as any Citrix ADC owned IP addresses. In the command line interface, separate the range with a hyphen. For example: 10.102.29.30-10.102.29.189. You can later remove some or all the LSN IP addresses from the pool, and add IP addresses to the LSN pool. By default , arp is enabled on LSN IP address but, you can disable it using command - “set ns ip”
Example
unbind lsn pool pool1 1.1.1.1-1.1.1.20
bind lsn pool
Bind LSN Pool with ip address range. NOTE: This command is deprecated.LSN related configuration commands are being deprecated will be removed in a future release
Synopsis
Arguments
poolname Name for the LSN pool. Must begin with an ASCII alphanumeric or underscore (_) character, and must contain only ASCII alphanumeric, underscore, hash (#), period (.), space, colon (:), at (@), equals (=), and hyphen (-) characters. Cannot be changed after the LSN pool is created. The following requirement applies only to the Citrix ADC CLI: If the name includes one or more spaces, enclose the name in double or single quotation marks (for example, “lsn pool1” or ‘lsn pool1’).
ownerNode ID(s) of cluster node(s) on which command is to be executed Default value: -1 Minimum value: 0 Maximum value: 31
lsnip IPv4 address or a range of IPv4 addresses to be used as NAT IP address(es) for LSN. After the pool is created, these IPv4 addresses are added to the Citrix ADC as Citrix ADC owned IP address of type LSN. A maximum of 4096 IP addresses can be bound to an LSN pool. An LSN IP address associated with an LSN pool cannot be shared with other LSN pools. IP addresses specified for this parameter must not already exist on the Citrix ADC as any Citrix ADC owned IP addresses. In the command line interface, separate the range with a hyphen. For example: 10.102.29.30-10.102.29.189. You can later remove some or all the LSN IP addresses from the pool, and add IP addresses to the LSN pool. By default , arp is enabled on LSN IP address but, you can disable it using command - “set ns ip”
Example
bind lsn pool pool1 1.1.1.1-1.1.1.20
add lsn pool
Add LSN Pool. NOTE: This command is deprecated.LSN related configuration commands are being deprecated will be removed in a future release
Synopsis
Arguments
poolname Name for the LSN pool. Must begin with an ASCII alphanumeric or underscore (_) character, and must contain only ASCII alphanumeric, underscore, hash (#), period (.), space, colon (:), at (@), equals (=), and hyphen (-) characters. Cannot be changed after the LSN pool is created. The following requirement applies only to the Citrix ADC CLI: If the name includes one or more spaces, enclose the name in double or single quotation marks (for example, “lsn pool1” or ‘lsn pool1’).
nattype Type of NAT IP address and port allocation (from the LSN pools bound to an LSN group) for subscribers (of the LSN client entity bound to the LSN group):
Available options function as follows:
-
Deterministic - Allocate a NAT IP address and a block of ports to each subscriber (of the LSN client bound to the LSN group). The Citrix ADC sequentially allocates NAT resources to these subscribers. The Citrix ADC ADC assigns the first block of ports (block size determined by the port block size parameter of the LSN group) on the beginning NAT IP address to the beginning subscriber IP address. The next range of ports is assigned to the next subscriber, and so on, until the NAT address does not have enough ports for the next subscriber. In this case, the first port block on the next NAT address is used for the subscriber, and so on. Because each subscriber now receives a deterministic NAT IP address and a block of ports, a subscriber can be identified without any need for logging. For a connection, a subscriber can be identified based only on the NAT IP address and port, and the destination IP address and port.
-
Dynamic - Allocate a random NAT IP address and a port from the LSN NAT pool for a subscriber’s connection. If port block allocation is enabled (in LSN pool) and a port block size is specified (in the LSN group), the Citrix ADC allocates a random NAT IP address and a block of ports for a subscriber when it initiates a connection for the first time. The ADC allocates this NAT IP address and a port (from the allocated block of ports) for different connections from this subscriber. If all the ports are allocated (for different subscriber’s connections) from the subscriber’s allocated port block, the ADC allocates a new random port block for the subscriber. Only LSN Pools and LSN groups with the same NAT type settings can be bound together. Multiples LSN pools can be bound to an LSN group. A maximum of 16 LSN pools can be bound to an LSN group.
Possible values: DYNAMIC, DETERMINISTIC Default value: DYNAMIC
portblockallocation Allocate a random NAT port block, from the available NAT port pool of an NAT IP address, for each subscriber when the NAT allocation is set as Dynamic NAT. For any connection initiated from a subscriber, the Citrix ADC allocates a NAT port from the subscriber’s allocated NAT port block to create the LSN session.
You must set the port block size in the bound LSN group. For a subscriber, if all the ports are allocated from the subscriber’s allocated port block, the Citrix ADC allocates a new random port block for the subscriber.
For Deterministic NAT, this parameter is enabled by default, and you cannot disable it.
Possible values: ENABLED, DISABLED Default value: DISABLED
portrealloctimeout The waiting time, in seconds, between deallocating LSN NAT ports (when an LSN mapping is removed) and reallocating them for a new LSN session. This parameter is necessary in order to prevent collisions between old and new mappings and sessions. It ensures that all established sessions are broken instead of redirected to a different subscriber. This is not applicable for ports used in:
- Deterministic NAT
- Address-Dependent filtering and Address-Port-Dependent filtering
- Dynamic NAT with port block allocation In these cases, ports are immediately reallocated. Default value: 0 Maximum value: 600
maxPortReallocTmq Maximum number of ports for which the port reallocation timeout applies for each NAT IP address. In other words, the maximum deallocated-port queue size for which the reallocation timeout applies for each NAT IP address.
When the queue size is full, the next port deallocated is reallocated immediately for a new LSN session. Default value: 65536 Minimum value: 0 Maximum value: 65536
Example
add lsn pool pool1
stat lsn pool
Display detailed statistics for the specified LSN pool. NOTE: This command is deprecated.LSN related configuration commands are being deprecated will be removed in a future release
Synopsis
Arguments
poolname Name of the LSN Pool.
detail Specifies detailed output (including more statistics). The output can be quite voluminous. Without this argument, the output will show only a summary.
fullValues Specifies that numbers and strings should be displayed in their full form. Without this option, long strings are shortened and large numbers are abbreviated
ntimes The number of times, in intervals of seven seconds, the statistics should be displayed. Default value: 1 Minimum value: 0
logFile The name of the log file to be used as input.
clearstats Clear the statsistics / counters
Possible values: basic, full
Output
count devno stateflag
Counters
Ports usage Non-TCP (%) (NonTcp %) Other protocols ports usage percentage in this pool.
Ports usage TCP (%) (Tcp %) TCP ports usage percentage in this pool.
Current port allocation (TCP) (CurPortAllocTcp) Current port allocation for tcp in this pool.
Current port allocation(Non-TCP) (CurPortAllocNonTCP) Current port allocation for other protocols in this pool.
Total IPs (TotIps) Total IPs in this pool.
Related Commands
show lsn pool
Display LSN Pool. NOTE: This command is deprecated.LSN related configuration commands are being deprecated will be removed in a future release
Synopsis
Arguments
poolname Name for the LSN pool. Must begin with an ASCII alphanumeric or underscore (_) character, and must contain only ASCII alphanumeric, underscore, hash (#), period (.), space, colon (:), at (@), equals (=), and hyphen (-) characters. Cannot be changed after the LSN pool is created. The following requirement applies only to the Citrix ADC CLI: If the name includes one or more spaces, enclose the name in double or single quotation marks (for example, “lsn pool1” or ‘lsn pool1’).
Output
lsnip IPv4 address or a range of IPv4 addresses to be used as NAT IP address(es) for LSN. After the pool is created, these IPv4 addresses are added to the Citrix ADC as Citrix ADC owned IP address of type LSN. A maximum of 4096 IP addresses can be bound to an LSN pool. An LSN IP address associated with an LSN pool cannot be shared with other LSN pools. IP addresses specified for this parameter must not already exist on the Citrix ADC as any Citrix ADC owned IP addresses. In the command line interface, separate the range with a hyphen. For example: 10.102.29.30-10.102.29.189. You can later remove some or all the LSN IP addresses from the pool, and add IP addresses to the LSN pool. By default , arp is enabled on LSN IP address but, you can disable it using command - “set ns ip”
nattype Type of NAT IP address and port allocation (from the LSN pools bound to an LSN group) for subscribers (of the LSN client entity bound to the LSN group):
Available options function as follows:
-
Deterministic - Allocate a NAT IP address and a block of ports to each subscriber (of the LSN client bound to the LSN group). The Citrix ADC sequentially allocates NAT resources to these subscribers. The Citrix ADC ADC assigns the first block of ports (block size determined by the port block size parameter of the LSN group) on the beginning NAT IP address to the beginning subscriber IP address. The next range of ports is assigned to the next subscriber, and so on, until the NAT address does not have enough ports for the next subscriber. In this case, the first port block on the next NAT address is used for the subscriber, and so on. Because each subscriber now receives a deterministic NAT IP address and a block of ports, a subscriber can be identified without any need for logging. For a connection, a subscriber can be identified based only on the NAT IP address and port, and the destination IP address and port.
-
Dynamic - Allocate a random NAT IP address and a port from the LSN NAT pool for a subscriber’s connection. If port block allocation is enabled (in LSN pool) and a port block size is specified (in the LSN group), the Citrix ADC allocates a random NAT IP address and a block of ports for a subscriber when it initiates a connection for the first time. The ADC allocates this NAT IP address and a port (from the allocated block of ports) for different connections from this subscriber. If all the ports are allocated (for different subscriber’s connections) from the subscriber’s allocated port block, the ADC allocates a new random port block for the subscriber. Only LSN Pools and LSN groups with the same NAT type settings can be bound together. Multiples LSN pools can be bound to an LSN group. A maximum of 16 LSN pools can be bound to an LSN group.
portrealloctimeout The waiting time, in seconds, between deallocating LSN NAT ports (when an LSN mapping is removed) and reallocating them for a new LSN session. This parameter is necessary in order to prevent collisions between old and new mappings and sessions. It ensures that all established sessions are broken instead of redirected to a different subscriber. This is not applicable for ports used in:
- Deterministic NAT
- Address-Dependent filtering and Address-Port-Dependent filtering
- Dynamic NAT with port block allocation In these cases, ports are immediately reallocated.
maxPortReallocTmq Maximum number of ports for which the port reallocation timeout applies for each NAT IP address. In other words, the maximum deallocated-port queue size for which the reallocation timeout applies for each NAT IP address.
When the queue size is full, the next port deallocated is reallocated immediately for a new LSN session.
portblockallocation Allocate a random NAT port block, from the available NAT port pool of an NAT IP address, for each subscriber when the NAT allocation is set as Dynamic NAT. For any connection initiated from a subscriber, the Citrix ADC allocates a NAT port from the subscriber’s allocated NAT port block to create the LSN session.
You must set the port block size in the bound LSN group. For a subscriber, if all the ports are allocated from the subscriber’s allocated port block, the Citrix ADC allocates a new random port block for the subscriber.
For Deterministic NAT, this parameter is enabled by default, and you cannot disable it.
ownerNode ID(s) of cluster node(s) on which command is to be executed
firstip IPv4 address or a range of IPv4 addresses to be used as NAT IP address(es) for LSN. After the pool is created, these IPv4 addresses are added to the Citrix ADC as Citrix ADC owned IP address of type LSN. A maximum of 4096 IP addresses can be bound to an LSN pool. An LSN IP address associated with an LSN pool cannot be shared with other LSN pools. IP addresses specified for this parameter must not already exist on the Citrix ADC as any Citrix ADC owned IP addresses. In the command line interface, separate the range with a hyphen. For example: 10.102.29.30-10.102.29.189. You can later remove some or all the LSN IP addresses from the pool, and add IP addresses to the LSN pool.
lastip IPv4 address or a range of IPv4 addresses to be used as NAT IP address(es) for LSN. After the pool is created, these IPv4 addresses are added to the Citrix ADC as Citrix ADC owned IP address of type LSN. A maximum of 4096 IP addresses can be bound to an LSN pool. An LSN IP address associated with an LSN pool cannot be shared with other LSN pools. IP addresses specified for this parameter must not already exist on the Citrix ADC as any Citrix ADC owned IP addresses. In the command line interface, separate the range with a hyphen. For example: 10.102.29.30-10.102.29.189. You can later remove some or all the LSN IP addresses from the pool, and add IP addresses to the LSN pool.
totalpoolipsbound total number of nat ip addresses bound to lsn pool
devno count stateflag
Example
show lsn pool pool1
unset lsn pool
Use this command to remove lsn pool settings.Refer to the set lsn pool command for meanings of the arguments.NOTE: This command is deprecated.
Synopsis
set lsn pool
Set LSN Pool. NOTE: This command is deprecated.
Synopsis
Arguments
poolname Name for the LSN pool. Must begin with an ASCII alphanumeric or underscore (_) character, and must contain only ASCII alphanumeric, underscore, hash (#), period (.), space, colon (:), at (@), equals (=), and hyphen (-) characters. Cannot be changed after the LSN pool is created. The following requirement applies only to the Citrix ADC CLI: If the name includes one or more spaces, enclose the name in double or single quotation marks (for example, “lsn pool1” or ‘lsn pool1’).
portrealloctimeout The waiting time, in seconds, between deallocating LSN NAT ports (when an LSN mapping is removed) and reallocating them for a new LSN session. This parameter is necessary in order to prevent collisions between old and new mappings and sessions. It ensures that all established sessions are broken instead of redirected to a different subscriber. This is not applicable for ports used in:
- Deterministic NAT
- Address-Dependent filtering and Address-Port-Dependent filtering
- Dynamic NAT with port block allocation In these cases, ports are immediately reallocated. Default value: 0 Maximum value: 600
maxPortReallocTmq Maximum number of ports for which the port reallocation timeout applies for each NAT IP address. In other words, the maximum deallocated-port queue size for which the reallocation timeout applies for each NAT IP address.
When the queue size is full, the next port deallocated is reallocated immediately for a new LSN session. Default value: 65536 Minimum value: 0 Maximum value: 65536
Example
set lsn pool pool1 -portrealloctimeout 10
rm lsn pool
Remove LSN Pool. NOTE: This command is deprecated.LSN related configuration commands are being deprecated will be removed in a future release
Synopsis
Arguments
poolname Name for the LSN pool. Must begin with an ASCII alphanumeric or underscore (_) character, and must contain only ASCII alphanumeric, underscore, hash (#), period (.), space, colon (:), at (@), equals (=), and hyphen (-) characters. Cannot be changed after the LSN pool is created. The following requirement applies only to the Citrix ADC CLI: If the name includes one or more spaces, enclose the name in double or single quotation marks (for example, “lsn pool1” or ‘lsn pool1’).
Example
rm lsn pool pool1
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