для Cisco Cisco Packet Data Gateway (PDG)
StarOS Tasks
Subsystem Tasks ▀
ASR 5000 System Administration Guide, StarOS Release 18 ▄
399
Resource Manager Subsystem
Table 47. Resource Manager (RM) Subsystem Tasks
Task
Description
Function
rmctrl
Resource Manager
Controller
Controller
Started by the sitparent task on StarOS startup, and monitored by HAT for a failure.
Initializes resources such as CPUs and memory.
Requests updated card status from the CSP subsystem and updates the system card table.
Communicates with all rmctrls to request their most recent set of resource data.
rmctrl
Resource Manager
Managers
Managers
Started by the sitparent task, and monitored by HATs for failures.
Initializes the local resource data and local resource scratch space.
Communicates with the SIT task on the local CPU to get its entire task table and the
resources associated with each task.
resources associated with each task.
Gathers current resource utilization for each task.
Sends the resource data to the rmctrl task.
Virtual Private Networking Subsystem
Table 48. Virtual Private Networking (VPN) Subsystem Tasks
Task
Description
Function
vpnctrl
VPN Controller
Created at system start-up.
Initiates the VPN Manager for each context.
Informs the Session Controller task when there are additions or changes to contexts. Only
one Session Controller operates at any time.
one Session Controller operates at any time.
Routes context specific operation information to the appropriate VPN Manager.
Performs VPN Manager recovery and saves all VPN-related configuration information in
SCT.
SCT.
vpnmgr
VPN Manager
Started by the VPN Controller for each configured context (one is always present for the
local context).
local context).
Performs IP address pool and subscriber IP address management.
Performs all context specific operations including but not limited to: UCM services, IP
interfaces, the Address Resolution Protocol (ARP), IP address pool management, slow path
forwarding, NPU flows, port Access Control Lists (ACLs), and logging.
interfaces, the Address Resolution Protocol (ARP), IP address pool management, slow path
forwarding, NPU flows, port Access Control Lists (ACLs), and logging.
Provides IP interface address information for each context to the Session Controller.