Network Processing Unit Subsystem - Cisco ASR 5500 Administration Manual

Network Processing Unit Subsystem

Task
rip
zebos
Network Processing Unit Subsystem
Table 46: Network Processing Unit (NPU) Subsystem Tasks
Task
knpusim
ASR 5500 System Administration Guide, StarOS Release 19
326
Description Function
Routing Information Created by VPN Manager for each context that has enabled
Protocol 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.
L2 and L3 Switching 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
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.
Provides recovery services to the NPU Controller.
StarOS Tasks