This chapter describes the function and displays the syntax of each DSPU configuration command. For more information about defaults and usage guidelines, see the corresponding chapter of the Router Products Command Reference publication.
[no]dspu activation-window
Use the dspu activation-window global configuration command to define the number of activation request units (RUs) and response messages (such as ACTLUs or DDDLU NMVTs) that can be sent without waiting for responses from the remote PU. Use the no form of this command to return to the default window size.
window-size
Number of outstanding unacknowledged activation RUs.
Use the dspu default-pu global configuration command to enable the default PU feature to be used when a downstream PU attempts to connect, but does not match any of the explicit PU definitions. Use the no form of this command to disable the default PU feature.
window window-size
(Optional) Defines the send and receive window sizes used across the link. The range is 1 to 127. The default is 7.
maxiframe max-iframe
(Optional) Defines the maximum size (in bytes) of an I-frame that can be transmitted or received across the link. The range is 64 bytes to 18,432 bytes. The default is 1472.
[no] dspu enable-host [lsaplocal-sap]
Use the dspu enable-host interface configuration command to enable a SAP for use by DSPU host connections. Use the no form of this command to disable the SAP.
lsap
(Optional) Specifies that the local SAP will be activated as an upstream SAP for both receiving incoming connection attempts and for starting outgoing connection attempts.
local-sap
(Optional) The local SAP address. The default is 12.
[no]dspu enable-pu [lsaplocal-sap]
Use the dspu enable-pu interface configuration command to enable a SAP for use by DSPU downstream connections. Use the no form of this command to disable the SAP.
lsap
(Optional) Specifies that the local SAP will be activated as a downstream SAP for both receiving incoming connection attempts and for starting outgoing connection attempts.
local-sap
(Optional) The local SAP address. The default is 8.
Use the dspu host global configuration command to define a DSPU host. Use the no form of this command to delete the DSPU host definition.
host-name
The specified DSPU host.
xid-sndxid
The XID that will be sent to the host during connection establishment. The XID value is 8 hexadecimal digits that include both Block and ID numbers. For example, if the XID value is 05D00001, the Block number is 05D and the ID number is 00001.
rmac rmac
The MAC address of the remote host PU.
rsap remote-sap
(Optional) Specifies the SAP address of the remote host PU. The default is 4.
lsap local-sap
(Optional) Specifies the local SAP address used by the DSPU to establish connection with the remote host.
window window-size
(Optional) Specifies the send and receive window sizes used for the host link. The range is 1 to 127.
maxiframe max-iframe
(Optional) Specifies the send and receive maximum I-frame sizes used for the host link. The range is 64 to 18432. The default is 1472.
retries retry-count
(Optional) Specifies the number of times the DSPU attempts to retry establishing connection with remote host PU. The range is 0 to 255 (0 = no retry attempts, 255 = infinite retry attempts). The default is 255.
retry-timeout retry-timeout
(Optional) Specifies the delay (in seconds) between DSPU attempts to retry establishing connection with remote host PU. The range is 1 to 600 seconds. The default is 30.
focalpoint
(Optional) Specifies that the host link will be used for the focal point support.
[no]dspu lu lu-start[lu-end] [pool pool-name][host host-name host-lu-start] [pupu-name]
Use the dspu lu global configuration command to define a range of LUs on a downstream PU. Use the no form of this command to remove the definition.
lu-start
Specifies the starting LU address in the range of LUs to be assigned from a pool or dedicated to a host.
lu-end
(Optional) Specifies the ending LU address in the range of LUs to be assigned from a pool or dedicated to a host.
pool pool-name
(Optional) Specifies that each LU in the range of LUs will be assigned from the specified pool.
host host-name host-lu-start
(Optional) Specifies that each LU in the range of LUs will be dedicated to a host LU host-name. The range of host LUs starts with the address host_lu_start.
pu pu-name
(Optional) Specifies the downstream PU for which this range of LUs is being defined.
[no]dspu pool pool-name host host-name lu lu-start [lu-end] [inactivity-timeout inactivity-minutes]
Use the dspu poollu global configuration command to define a range of host LUs in an LU pool. Use the no form of this command to remove the definition.
pool-name
Specifies the name identifier of the pool.
host host-name
Specifies the name of the host that owns the range of host LUs in the pool.
lu lu-start
Specifies the starting LU address in the range of host LUs in the pool.
lu-end
(Optional) Specifies the ending address (inclusive) of the range of host LUs in the pool. If no ending address is specified, only one LU (identified by lu-start) will be defined in the pool.
inactivity-timeoutinactivity-minutes
(Optional) Specifies the interval of inactivity (in minutes) on either the SSCP-LU or LU-LU sessions, which will cause the downstream LU to be disconnected from the upstream LU.
Use the dspu pu global configuration command to define an explicit downstream PU. Use the no form of this command to remove the definition.
pu-name
Name of the downstream PU.
rmac remote-mac
(Optional) Specifies the MAC address of the downstream PU.
rsap remote-sap
(Optional) Specifies the SAP address of the downstream PU. The default is 4.
lsap local-sap
(Optional) Specifies the local SAP address used by the DSPU to establish connection with the downstream PU. The default is 8.
xid-rcv xid
(Optional) Specifies a match on XID.
window window-size
(Optional) Specifies the send and receive sizes used for the downstream PU link. The range is 1 to 127. The default is 7.
maxiframe max-iframe
(Optional) Specifies the maximum I-frame that can be transmitted or received across the link. The range is 64 to 18,432. The default is 1472.
retries retry-count
Specifies the number of times the DSPU attempts to retry establishing connection with downstream PU. The range is 0 to 255 (0 = no retry attempts, 255 = infinite retry attempts). The default is 4.
retry-timeout retry-timeout
(Optional) Specifies the delay (in seconds) between DSPU attempts to retry establishing connection with downstream PU. The range is 1 to 600 seconds. The default is 30.
Use the dspu rsrb global configuration command to define the local virtual ring, the virtual bridge, the target virtual ring, and the virtual MAC address that the DSPU feature will simulate at the RSRB. Use the no form of this command to cancel the definition.
local-virtual-ring
The DSPU local virtual ring number
bridge-number
The bridge number connecting the DSPU local virtual ring and the RSRB target virtual ring. Currently, the bridge number must always be configured with a value of 1.
target-virtual-ring
The RSRB target virtual ring number. The RSRB target virtual ring corresponds to the ring-number parameter defined by a source-bridge ring-group command.
virtual-macaddr
The DSPU virtual MAC address.
[no]dspu rsrb enable-host [lsaplocal-sap]
Use the dspu rsrb enable-host global configuration command to enable an RSRB SAP for use by DSPU host connections. Use the no form of this command to disable the RSRB SAP.
lsaplocal-sap
(Optional) Specifies that the local SAP address will be activated as an upstream SAP for both receiving incoming connections attempts and for starting outgoing connection attempts. The default is 12.
[no]dspu rsrb enable-pu [lsaplocal-sap]
Use the dspu rsrb enable-pu global configuration command to enable an RSRB SAP for use by DSPU downstream connections. Use the no form of this command to disable the SAP.
lsap local-sap
(Optional) Specifies that the local SAP address will be activated as an upstream SAP for both receiving incoming connection attempts and for starting outgoing connection attempts.
[no]dspu rsrb start {host-name | pu-name}
Use the dspu rsrb start global configuration command to specify that an attempt will be made to connect to the remote resource defined by host name or pu name through the RSRB. Use the no form of this command to cancel the definition.
host-name
The name of a host defined in a dspu host command.
pu-name
The name of a PU defined in a dspu pu command.
[no]dspu start {host-name | pu-name}
Use the dspu start interface configuration command to specify that an attempt will be made to connect to the remote resource defined by host name or pu name. Use the no form of this command to cancel the definition.
host-name
The name of a host defined in a dspu host command.
pu-name
The name of a PU defined in a dspu pu command.
show dspu [poolpool-name |[pu{pu-name | host-name} [all]]
Use the show dspu privileged EXEC command to display the status of the DSPU feature.
pool pool-name
(Optional) Specifies the name of a pool of LUs (as defined by the dspu pool command).
pu
(Optional) Specifies the name of defined PU (as defined by either the dspu pu or the dspu host command).
pu-name
The name of a PU defined in a dspu pu command.
host-name
The name of a host defined in a dspu host command.
