The MIB for signalling Connection Control Part(SCCP)
messages transported over Signalling System
No. 7 (SS7) Network via Cisco IP Transfer
Point.
This MIB provides information specified
in ITU Q752 Monitoring and Measurements for
Signalling System No. 7(SS7) Network.
The Cisco IP Transfer Point (ITP) is a hardware
and software solution that transports SS7 traffic
using IP. Each ITP node provides function similar
to SS7 Signalling point.
The relevant ITU documents describing this technology
is the ITU Q series, including ITU Q.700: Introduction
to CCITT Signalling System No. 7 and ITU Q.701
Functional description of the message transfer part
(MTP) of Signalling System No. 7.
The IETF Working Group Signalling Transport (SIGTRAN)
has defined MTP3 User Adaptation (M3UA) and SCCP
User Adaptation (SUA) protocols. The drafts can be
found at:
http://www.ietf.org/html.charters/sigtran-charter.html
This MIB consists of the following tables:
Instance Table
Concerned Point Code List Table
Mated Application (MAP) Table
Global Title Translation (GTT) Selector Table
Global Title Address (GTA) Table
Application Group Table
Prefix Conversion Table
Translation Entries Table
Global Title Errors Table
Abbreviations:
CDPA - Called Party Address
CGPA - Calling Party Address
CLLI - Common Language Location Codes
CR - Connection Request message
CREF - Connection Refusal message
DPC - Destination Point Code
ERR - Error message
GTA - Global Title Address
GTI - Global Title Indicator
GTT - Global Title Translation
LUDT - long unitdata message
LUDTS - long unitdata service message
M2PA - MTP2 Peer-to-Peer Adaptation Layer
M3UA - MTP3-User Adaptation
MAP - Mated Application Table
MSU - Message Signal Unit
MTP - Message Transport Protocol
MTP2 - Layer 2 of Message Transport Protocol
MTP3 - Layer 3 of Message Transport Protocol
NAI - Nature of Address Indicator
NP - Numbering Plan
OPC - Originating Point Code
PC - Point Code
RTN - Route Table Name
RSR - Reset Request message
SCCP - Signalling Connection Control Part
SCTP - Stream Transmission Protocol(RFC 2960)
SI - Signalling Indicator
SP - Signalling Point
SLC - Signalling Link Code
SLS - Signalling Link Selector
SSN - Subsystem Number
SUA - SCCP-User Adaptation
TFR - Transfer Restricted messages
TT - Title Translation
UDT - unitdata message
UDTS - unitdata service message
XUDT - extended unitdata message
XUDTS - extended unitdata service message
cation generated when a mated
application subsystem changes to a new state.
The value of cgsccpGttMapSsStatus indicates
the new state for the subsystem.
ciscoGsccpGttLoadTable
.1.3.6.1.4.1.9.9.335.0.2
ication is generated whenever a load
operation is started or completes.
ciscoGsccpGttErrors
.1.3.6.1.4.1.9.9.335.0.3
ication is generated whenever any global
title error is encountered in last interval specified
by the cgsccpGttErrorPeriod and the
cgsccpInstErrorIndicator will be set to true. The
notification will also be generated when errors have
abated. The notification is generated after the number
of recovery intervals as specified by the
cgsccpGttErrorRecoveryCount object has passed without
any global title errors.
ciscoGsccpSegReassUnsup
.1.3.6.1.4.1.9.9.335.0.4
ication is generated initially when a SCCP message
is dropped due to a segmentation or reassembly unsupported
or failure errors in last interval specified by the
cgsccpGttErrorPeriod and the cgsccpInstErrorIndicator will be
set to true. The notification will also be generated after
the number of recovery intervals as specified by the
cgsccpGttErrorRecoveryCount object has passed without any
segmentation or reassembly unsupported errors.
ciscoGsccpSOGReceived
.1.3.6.1.4.1.9.9.335.0.5
ication is generated initially when a Subsystem
Out-of-Service Grant is sent in response to a Subsystem
Out-of-Service Request message. The affected PC and affected
SSN are provided with this notification.
ciscoGsccpRmtCongestion
.1.3.6.1.4.1.9.9.335.0.6
ication is generated initially when congestion is
experienced in the remote SCCP component for the first time in
last interval specified by the cgsccpGttErrorPeriod. The
notification is generated after the number of recovery intervals
as specified by the cgsccpGttErrorRecoveryCount object has
passed without any congestion errors and total number of local
congestion observed for different congestion levels at the end
of the interval along with the latest known congestion status
for that remote signalling point will be provided.
ciscoGsccpLocalSsStateChange
.1.3.6.1.4.1.9.9.335.0.7
cation generated when a local application subsystem
changes to a new state. The subsystem number and the latest
subsystem state will be provided in this notification.