Cisco ASR 5000 Administration Manual page 418

Session Subsystem
Task
magmgr
mmgr
mmedemux
ASR 5000 System Administration Guide, StarOS Release 21.1
390
Description Function
Mobile Access Gateway Created by the Session Controller when the first MAG service
(MAG) Manager is created in a context.
Sends and receives PMIP control messages (PBU/PBA).
Adds an NPU flow to receive MIPv6 PBA packets. This flow
is identical to the flow used in the HAMgr.
Maintains the Binding Update List used to keep track of the
mobile node's bindings.
Originates PBU-based on trigger received from the Session
Manager during error conditions.
Receives PBA and forwards it to Session Manager.
Supports debugging facility – "magmgr" and "mobile-ipv6".
SGSN Master Manager Created upon provisioning of SS7RDs/SCCP-NWs/etc. The
Session Controller provides the initial system configuration
which includes a detailed description of each distributed
protocol layer, its resources sets, and a list of its service user
protocol layers and service provider protocol layers.
Runs as a single instance.
Handles nodal SS7, Iu, and Gb functionality.
Implements master linkmgr functionality for SS7 route status
aggregation.
Implements master linkmgr functionality for RNC and BSC
status aggregation.
With session recovery (SR) enabled, this demux manager is
usually established on one of the CPUs on the first active
demux packet processing card.
Mobility Management Started as part of MME service creation procedure. There is
Entity Demux Manager only one mmedemux in the chassis.
Distributes incoming S1-MME SCTP connections to
mmemgr tasks in the system.
Remains aware of all the active MME services in the system.
With session recovery (SR) enabled, this demux manager is
usually established on one of the CPUs on the first active
packet processing card.
StarOS Tasks