Cisco Cisco Packet Data Gateway (PDG)

 

▄  VPC-VSM System Administration Guide, StarOS Release 19 

 

 

 

rmctrl

 

Managers

 

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.

 

Gathers current resource utilization for each task.

 

Sends the resource data to the rmctrl task.

 

 

 

 

 

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.

 

Routes context specific operation information to the appropriate VPN Manager.

 

Performs VPN Manager recovery and saves all VPN-related configuration information in SCT.

 

vpnmgr

 

VPN Manager 

 

Started by the VPN Controller for each configured context (one is always present for the 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.

 

Provides IP interface address information for each context to the Session Controller.

 

bgp

 

Border Gateway 
Protocol 

 

Created by the VPN Manager for each context that has enabled the BGP routing protocol (router 
bgp Context Configuration mode CLI command).

 

Responsible for learning and redistributing routing information via the BGP protocol.

 

Maintains the BGP peering connections.

 

Applies any defined BGP routing policy.

 

ospf

 

Open Shortest 
Path First 

 

Created by VPN Manager for each context that has enabled the OSPF routing protocol (router 
ospf Context Configuration mode CLI command).

 

Responsible for learning and redistributing routing information via the OSPF protocol.

 

Maintains the OSPF neighboring relationship.

 

Maintains the LSA database.