Network Processing Unit Subsystem - Cisco ASR 5000 Series Administration Manual

Network Processing Unit Subsystem

Task Description
rip Routing Information Protocol
zebos L2 and L3 Switching
Network Processing Unit Subsystem
Table 50: Network Processing Unit (NPU) Subsystem Tasks
Task
iftask
knpusim
ASR 5500 System Administration Guide, StarOS Release 21.4
392
Function
Created by VPN Manager for each context that has enabled the RIP routing
protocol (router rip Context Configuration mode CLI command)
Responsible for learning and redistributing routing information via the RIP
protocol.
Maintains the RIP database.
Sends periodic RIP update messages.
Applies any defined RIP routing policy.
Created by VPN Manager for each context.
Maintains the routing table (RIB and FIB) for the context.
Performs static routing.
Interfaces to the kernel for routing & interface updates.
Redistributes routing information to dynamic routing protocols.
Calculates nexthop reachability.
Description
Internal Forwarder Task
(Intel DPDK)
[VPC-DI, VPC-SI]
Kernel-based NPU
Simulator
[VPC-DI, VPC-SI]
Function
Created at StarOS start up.
Provides port configuration services to the CSP task.
Provides interface binding and forwarding services to the VPN Manager.
Provides flow insertion and removal services to Session Manager and
AAA Manager tasks.
Created at StarOS start up.
Provides port configuration services to the CSP task.
Provides interface binding and forwarding services to the VPN Manager.
Provides flow insertion and removal services to Session Manager and
AAA Manager tasks.
Provides recovery services to the NPU Controller.
StarOS Tasks