Cisco ASR 5500 Administration Manual page 369

StarOS Tasks
Task
kvctrl
lagmgr
msgd
msgproxy
nscontrol
ntpd
rct
sct
sft
sshd
ucm
Description Function
Key Value Controller Central key value store (kvstore) function that runs on the
management card. Its primary function is to support recovery
and distribution functions.
Link Aggregation Group Started by npuctrl on the demux card's primary CPU (ASR
Manager 5000) or MIO (ASR 5500) with a facility level between CSP
and npumgr to receive configuration/status notification from
[ASR 5x00 only]
npumgr and build global LAG database.
Exchanges control packets (LACP and Marker) over
configured physical ports with peers to reach agreement on
an aggregation of links.
Messenger Daemon Implements the Name Service and related functions for the
internal message passing system.
Message Proxy The Messenger Proxy process handles broadcast messages
send from any single application (referred to as a client) to
any facility which has one instance per thread (referred to as
the Target Facility).
One msgproxy task runs on each CPU complex on the SMC
(ASR 5000), DPCs (ASR 5500) and SF Virtual Machine
(VPC-DI).
Processes incoming broadcast messages from the Client
processes, such as sessctrl, distributes them to the correct
Target Facility, such as sessmgr, creates the correct responses
and sends them back to the correct Client.
Name Service Controller As part of the Messenger process, provides a reliable channel
for tasks to send control messages to the Messenger Daemon.
Network Time Protocol Maintains the system time in synchronization with time
(NTP) Daemon servers using NTP. Enabled when one or more NTP servers
have been configured via the NTP Configuration mode ntp
server CLI command.
Recovery Control Task Monitors tasks/managers/facilities across the system and
performs recovery in the event of a failure.
Shared Configuration Performs the redundant storage of configuration information
Task and other state information in an in-memory database.
Switch Fabric Task Monitors the switch fabric and the gigabit Ethernet control
plane.
Secure SHell Daemon Supports secure login to the StarOS CLI. Enabled via the
Context Configuration mode server sshd CLI command.
Utilities Configuration DHCPD, DNS, FTPD, INETD, NTPD, PING, RLOGIN,
Manager SFTPD, SFTP-SERVER, SNMPD, SSH, SSHD, TELNET,
TELNETD, TFTPD, TRACEROUTE
ASR 5500 System Administration Guide, StarOS Release 19
Platform Processes
341